All Stories

  1. Design and Validation of 100 nm GaN-On-Si Ka-Band LNA Based on Custom Noise and Small Signal Models
  2. V-Band GaAs Metamorphic Low-Noise Amplifier Design Technique for Sharp Gain Roll-Off at Lower Frequencies
  3. GaN/Si Ka-band SPDT for observation payloads
  4. Surface Wave Reduction in Antenna Arrays Using Metasurface Inclusion for MIMO and SAR Systems
  5. High-Isolation Leaky-Wave Array Antenna Based on CRLH-Metamaterial Implemented on SIW with ±30o Frequency Beam-Scanning Capability at Millimetre-Waves
  6. A Generalized Unterminating Technique for Characterizing Reciprocal Three-Port Networks
  7. On the Optimum Noise-Gain Locus of Two-Ports
  8. Super-Wide Impedance Bandwidth Planar Antenna for Microwave and Millimeter-Wave Applications
  9. A straightforward design technique for narrowband multi‐stage low‐noise amplifiers with I/O conjugate match
  10. Mobile-Phone Antenna Array with Diamond-Ring Slot Elements for 5G Massive MIMO Systems
  11. Stability of H-Terminated Diamond MOSFETs With V2O5/Al2O3 as Gate Insulator
  12. Super-Wide Impedance Bandwidth Planar Antenna Based on Metamaterial Concept for Microwave and Millimetre-Wave Applications
  13. MM-Wave Phased Array Quasi-Yagi Antenna for the Upcoming 5G Cellular Communications
  14. Beam-Scanning Leaky-Wave Antenna Based on CRLH-Metamaterial for Millimeter-Wave Applications
  15. Isolation Enhancement of Densely Packed Array Antennas with Periodic MTM-Photonic Bandgap for SAR and MIMO Systems
  16. A GaN Single-Chip Front End With Improved Efficiency and Power by Using Class F Approach
  17. Mutual Coupling Suppression Between Two Closely Placed Microstrip Patches Using EM-Bandgap Metamaterial Fractal Loading
  18. Mutual-Coupling Isolation Using Embedded Metamaterial EM Bandgap Decoupling Slab for Densely Packed Array Antennas
  19. Design of a GaN-on-Si Single-Balanced Resistive Mixer for Ka-band Satcom
  20. Improved microwave attenuator topology minimizing the number of control voltages
  21. S-Band GaN Single-Chip Front End for Active Electronically Scanned Array With 40-W Output Power and 1.75-dB Noise Figure
  22. Algorithmic Test of the Unconditional Stability of Three-Port Networks
  23. A GaN-on-Si MMIC Doherty Power Amplifier for 5G Applications
  24. A New Study to Suppress Mutual-Coupling Between Waveguide Slot Array Antennas Based on Metasurface Bulkhead for MIMO Systems
  25. An S-Band GaN MMIC High Power Amplifier with 50W Output Power and 55% Power Added Efficiency
  26. Design of a MMIC low‐noise amplifier in industrial gallium arsenide technology for E‐band 5G transceivers
  27. New Approach to Suppress Mutual Coupling Between Longitudinal-Slotted Arrays Based on SIW Antenna Loaded with Metal-Fences Working on VHF/UHF Frequency-Bands: Study, Investigation, and Principle
  28. Interaction Between Closely Packed Array Antenna Elements Using Meta‐Surface for Applications Such as MIMO Systems and Synthetic Aperture Radars
  29. Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays
  30. A New Waveguide Slot Array Antenna with High Isolation and High Antenna Bandwidth Operation on Ku- and K- Bands for Radar and MIMO Systems
  31. A New Waveguide Slot Array Antenna with High Isolation and High Antenna Bandwidth Operation on Ku- and K-bands for Radar and MIMO Systems
  32. Study on Antenna Mutual Coupling Suppression Using Integrated Metasurface Isolator for SAR and MIMO Applications
  33. Study on Antenna Mutual Coupling Suppression Using Integrated Metasurface Isolator for SAR and MIMO Applications
  34. Antenna Mutual Coupling Suppression Over Wideband Using Embedded Periphery Slot for Antenna Arrays
  35. Q/V band LNA for satellite on-board space applications using a 70 nanometers GaAs mHEMT commercial technology
  36. Study on Isolation Improvement Between Closely Packed Patch Antenna Arrays Based on Fractal Metamaterial Electromagnetic Bandgap Structures
  37. Mutual-Coupling Reduction in Metamaterial Substrate Integrated Waveguide Slotted Antenna Arrays Using Metal Fence Isolators for SAR and MIMO Applications
  38. A 4W 37.5-42.5 GHz Power Amplifier MMIC in GaN on Si Technology
  39. A Q-Band MMIC Power Amplifier in GaN on Si Technology for Space Applications
  40. A high-performance C-band integrated front-end in AlGaN/GaN technology
  41. A novel true logarithmic amplifier in 0.25 μm GaN-on-SiC technology for radar applications
  42. Ka-/V-band self-biased LNAs in 70 nm GaAs/InGaAs Technology
  43. Single MMIC receivers for C-band T/R module in 0.25 μm GaN technology
  44. A novel monofilar-Archimedean metamaterial inspired leaky-wave antenna for scanning application for passive radar systems
  45. A GaN Single-Chip Front-End for Active Electronically Scanned Arrays
  46. Wideband planar array antenna based on SCRLH-TL for airborne synthetic aperture radar application
  47. Three‐stage GaN‐on‐SiC medium‐power LNA exploiting a current‐reuse architecture
  48. High power‐handlingSPDTswitch in 0.25‐µm GaN technology
  49. A GaN single chip front-end for C-band synthetic aperture radars
  50. Generalized Extraction of the Noise Parameters by Means of Source– and Load–Pull Noise Power Measurements
  51. Mutual coupling reduction using metamaterial supersubstrate for high performance & densely packed planar phased arrays
  52. Influence of surface crystal-orientation on transfer doping of V2O5/H-terminated diamond
  53. Broadband Nonreciprocal Phase Shifter Design Technique
  54. Toward 100 Gbps wireless networks enabled by millimeter wave Traveling Wave Tubes
  55. Triple-band planar dipole antenna for omnidirectional radiation
  56. Extended Aperture Miniature Antenna Based on CRLH Metamaterials for Wireless Communication Systems Operating Over UHF to C-Band
  57. Wideband Printed Monopole Antenna for Application in Wireless Communication Systems
  58. Miniaturized Planar-Patch Antenna Based on Metamaterial L-shaped Unit-Cells for Broadband Portable Microwave Devices and Multiband Wireless Communication Systems
  59. A Simple Test to Check the Inherent-Stability Proviso on Field-Effect Transistors
  60. Compact Single-Layer Traveling-Wave Antenna DesignUsing Metamaterial Transmission Lines
  61. A novel current-reuse architecture demonstrated on a two-stage GaN-on-SiC LNA
  62. Deterministic design of simultaneously matched, two-stage low-noise amplifiers
  63. EM isolation enhancement based on metamaterial concept in antenna array system to support full-duplex application
  64. Q-band self-biased MMIC LNAs using a 70 nm InGaAs/AlGaAs process
  65. D-band LNA using a 40-nm GaAs mHEMT technology
  66. Frequency beam steering antenna for millimeter wave checkpoint scanners
  67. CRLH metamaterial transmission line based-wideband planar antenna for operation across UHF/L/S-bands
  68. Verifying Rollett’s Proviso on Active Devices Under Arbitrary Passive Embeddings
  69. A multi-finger modeling approach to correctly predict the inherent stability of a custom active device
  70. High performance X-band LNAs using a 0.25 μm GaN technology
  71. High power-handling GaN switch for S-band applications
  72. A new wideband planar antenna with band-notch functionality at GPS, Bluetooth and WiFi bands for integration in portable wireless systems
  73. Multiband Planar Antennas for Broadband Wireless Systems
  74. Compact Planar Antennas for Beam Steering and RFID Tags
  75. Periodic Array
  76. Noise in DA
  77. 14.8-MeV Neutron Irradiation on H-Terminated Diamond-Based MESFETs
  78. Traveling-wave antenna based on metamaterial transmission line structure for use in multiple wireless communication applications
  79. V2O5MISFETs on H-Terminated Diamond
  80. A Measurement-Based Approach to Model Scaling Properties of FETs
  81. An EM-based approach to model a gallium nitride HEMT in a custom common-gate configuration
  82. Characterization and modelling of 40 nm mHEMT process up to 110 GHz
  83. H-Terminated Diamond MISFETs with V2O5 as Insulator
  84. Composite right/left-handed transmission-line based wideband antenna for WLAN, WiMAX and WiFi applications
  85. New CRLH-Based Planar Slotted Antennas with Helical Inductors for Wireless Communication Systems, RF-Circuits and Microwave Devices at UHF–SHF Bands
  86. Comparative investigation of surface transfer doping of hydrogen terminated diamond by high electron affinity insulators
  87. Bandwidth extension of planar antennas using embedded slits for reliable multiband RF communications
  88. A new planar broadband antenna based on meandered line loops for portable wireless communication devices
  89. Miniature CRLH-based ultra wideband antenna with gain enhancement for wireless communication applications
  90. Resistive bias network for optimized isolation in SPDT switches
  91. An active dispersive delay line in GaN MMIC technology for X-band applications
  92. Compact Q-band three-conductors balun
  93. Dual-band RFID tag antenna based on the Hilbert-curve fractal for HF and UHF applications
  94. Enhanced surface transfer doping of diamond by V2O5 with improved thermal stability
  95. New Compact antenna based on simplified CRLH-TL for UWB wireless communication systems
  96. DESIGN OF SUB-HARMONIC MIXER MMIC FOR EHF SATELLITE LINKS
  97. Optimization-based approach for scalable small-signal and noise model extraction of GaN-on-SiC HEMTs
  98. Realization and measurement of an RF energy harvesting circuit working on LTE frequency bands
  99. Robust GaN Successive-Detection Logarithmic Video-Amplifier for EW applications
  100. Closed-form noise parameters of a transmission line under thermal gradients
  101. Cold-source cryogenic characterization and modeling of a mHEMT process
  102. Guest editorial for the special issue on noise modeling of high-frequency semiconductor devices
  103. THz Electronics
  104. Numerical determination of coaxial cable parameters in cryogenic environments for high-frequency active device noise modeling
  105. Gate-Source Distance Scaling Effects in H-Terminated Diamond MESFETs
  106. T/R modules front-end integration in GaN technology
  107. Evaluation of coaxial cable performance under thermal gradients
  108. Investigating the properties of interfacial layers in planar Schottky contacts on hydrogen-terminated diamond through direct current/small-signal characterization and radial line small-signal modelling
  109. Distributed active balun with improved linearity performance
  110. Black-box noise modeling of GaAs HEMTs under illumination
  111. Single-crystal diamond microwave devices for space applications
  112. On the unconditional stability of N-port networks
  113. Numerical evaluation of cable noise parameters under cryogenic thermal gradients
  114. On the unconditional stability of N-port networks
  115. Compact sub-harmonic mixer for Q-band satellite communications
  116. QV band receiver converter for satellite communications
  117. QV band receiver converter for satellite communications
  118. Conference programme
  119. Program
  120. Conference programme
  121. Robust LNA in GaN Technology
  122. Comparison of cryogenic W band low noise amplifier based on different III-V HEMT foundry process and technologies
  123. 13-bit GaAs serial-to-parallel converter with compact layout for core-chip applications
  124. TeraSCREEN: multi-frequency multi-mode Terahertz screening for border checks
  125. Selex ES GaN Technology improvements, results and R&D approach for Defense and Space application
  126. An overview on recent developments in RF and microwave power H-terminated diamond MESFET technology
  127. Reconfigurable matching network for RF energy harvesting circuits
  128. High spectral purity X- to W-band active GaAs monolithic frequency multiplier
  129. Further developments in the area of nonlinear microwave network design — In mirror of the international workshop on “Integrated Nonlinear Microwave and Millimeter-Wave Circuits (INMMiC)”
  130. Empirical nonlinear HFET gate charge model
  131. Call for papers: Noise modeling of high-frequency semiconductor devices
  132. Characterization and Modeling of High-Frequency Active Devices Oriented to High-Sensitivity Subsystems Design
  133. Authors
  134. Constant Mismatch Circles and Application to Low-Noise Microwave Amplifier Design
  135. GaN-Based Robust Low-Noise Amplifiers
  136. Automated extraction of device noise parameters based on multi-frequency, source-pull data
  137. Microwave signal conditioning through non-reciprocal phase shifting
  138. Design and Experimental Performance of Diplexing MMIC Distributed Amplifier
  139. Polynomial noise modeling of silicon-based GaN HEMTs
  140. Active GaN MMIC diplexer based on distributed amplification concept
  141. DUAL FED DISTRIBUTED AMPLIFIER WITH CONTROLLED TERMINATION ADJUSTMENT
  142. Downconverting Module Architectures for High Performance Multipixel Cameras
  143. IMAGINE project: a low cost, high performance, monolithic passive mm-wave imager front-end
  144. Vectorially Combined Distributed Power Amplifiers for Software-Defined Radio Applications
  145. High-density mixed signal RF front-end electronics for T-R modules
  146. Millimeter wave low noise amplifier for satellite and radio-astronomy applications
  147. PLATON: Satellite remote sensing and telecommunication by using millimetre waves
  148. Band-pass distributed power amplifier in monolithic technology for the LTE band
  149. Accurate large-signal equivalent circuit of surface channel diamond FETs based on the Chalmers model
  150. Novel broadband nonreciprocal 180° phase-shifter
  151. A novel hybrid active quasi-circulator for L-band applications
  152. Characterization and modeling of low-cost, high-performance GaN-Si technology
  153. An ultra-broadband 2–8 GHz GaN HEMT MMIC active combiner
  154. An active nonreciprocal phase shifter topology
  155. A novel approach to minimize RMS errors in multifunctional chips
  156. GaN-on-Silicon Evaluation for High-Power MMIC Applications
  157. Noise measure-based design methodology for simultaneously matched multi-stage low-noise amplifiers
  158. Q-band down-converting module for Multi Pixel Camera receivers
  159. A new structure for the design of dual band power amplifiers
  160. 5 GHz high efficiency oscillator with filtering feedback network
  161. RF power performance evaluation of surface channel diamond MESFETs
  162. Design and Realization of GaAs Digital Circuit for Mixed Signal MMIC Implementation in AESA Applications
  163. High-efficiency oscillator design adopting harmonic tuning
  164. MMIC LNAs for Radioastronomy Applications Using Advanced Industrial 70 nm Metamorphic Technology
  165. High isolation microstrip GaN-HEMT Single-FET Switch
  166. An ultra-broadband robust LNA for defence applications in AlGaN/GaN technology
  167. An ultra-broadband robust LNA for defence applications in AlGaN/GaN technology
  168. An X-Band GaAs MMIC Doherty Power Amplifier
  169. PLATONE: A payload for climate monitoring and telecommunication experiments through millimetric waves
  170. GaN transistor characterization and modeling activities performed within the frame of the KorriGaN project
  171. High data-rate millimetre-wave modulator modelling and design
  172. Vectorially combined distributed power amplifier with load pull impedance determination
  173. Compact GaAs HEMT D flip-flop for the integration of a SAR MMIC core-chip digital control logic
  174. RF power performance of submicron MESFET on hydrogen terminated polycrystalline diamond
  175. A novel broadband MMIC vector modulator for V-band applications
  176. Modeling of diamond field-effect transistors for RF IC development
  177. Microwave operation of sub-micrometer gate surface channel MESFETs in polycrystalline diamond
  178. MMIC LNAs for Radioastronomy Applications Using Advanced Industrial 70 nm Metamorphic Technology
  179. High Efficiency RF and Microwave Solid State Power Amplifiers
  180. High power GaN-HEMT SPDT switches for microwave applications
  181. High-power monolithic AlGaN/GaN high electron mobility transistor switches
  182. K-band diamond MESFETs for RFIC technology
  183. Microwave performance of surface channel diamond MESFETs
  184. DC and RF performance of surface channel MESFETs on H-terminated polycrystalline diamond
  185. Modeling of Metal-Semiconductor Field-Effect-Transistor on H- terminated polycrystalline diamond
  186. MESFETs on H-terminated polycrystalline diamond
  187. Microwave operation of sub-micrometer gate surface channel MESFETs in polycystalline diamond
  188. RF Power Performance Evaluation of Surface Channel Diamond MESFET
  189. MESFETs on H-terminated Single Crystal Diamond
  190. Parametric oscillations in distributed power amplifiers
  191. Design approach to improve linearity and power performance of microwave FETs
  192. Freitag method application to PA stability test
  193. Harmonic matching design for triplers
  194. A new test bench to measure dynamic output I/V characteristics of FETs
  195. Session III Nonlinear subsystems
  196. A Reflection-Type Biphase Modulator with Balanced Loads
  197. Full W-Band High-Gain LNA in mHEMT MMIC Technology
  198. A 20 Watt Micro-strip X-Band AlGaN/GaN HPA MMIC for Advanced Radar Applications
  199. High Power Microstrip GaN-HEMT Switches for Microwave Applications
  200. A 20 Watt Micro-strip X-Band AlGaN/GaN HPA MMIC for Advanced Radar Applications
  201. A novel adaptive LDMOS power amplifier with constant efficiency for wide dynamic power levels control
  202. High performance 1.5W pHEMT Distributed Power Amplifier with Adjustable Inter-Stage Cascaded Network for 10
  203. GaN Device Technology: Manufacturing, Characterization, Modelling and Verification
  204. Compensating Digital Attenuator Differential Phase Shift
  205. Analysis, Design and Measurement of Active Low-Noise Terminations
  206. X-band multi function GaAs MMIC for T/R modules in smart antenna applications
  207. Compensating for parasitic phase shift in microwave digitally controlled attenuators
  208. Alternative approach to dynamic I/V characterisation of microwave FETs
  209. High-power monolithic AlGaN/GaN HEMT switch for X-band applications
  210. Linearity and efficiency optimisation in microwave power amplifier design
  211. Linearity and Efficiency Optimisation in Microwave Power Amplifier Design
  212. Determining optimum load impedance for a noisy active 2-port network.
  213. Linearity and efficiency optimisation in microwave power amplifier design
  214. Determining optimum load impedance for a noisy active 2-port network.
  215. Extraction of Microwave FET Noise Parameters Using Frequency- Dependent Equivalent Noise Temperatures
  216. Accurate Multibias Equivalent-Circuit Extraction for GaN HEMTs
  217. Power Amplifier Design Strategy to null IMD asymmetry
  218. Beam Forming Network GaAs modules for Radioastronomy Focal Plane Arrays
  219. A C-band high-efficiency second-harmonic-tuned hybrid power amplifier in GaN technology
  220. New Design Approach to minimise IMD Asymmetry and IM3 products in Microwave FETs
  221. Combined class F monolithic PA design
  222. Class F design criteria validation through non linear load pull simulation
  223. Prediction of PA Optimum Load by Small Signal Parameters
  224. GaAs cryo-cooled LNA for C-band radioastronomy applications
  225. Present and future trends in power amplifiers design solutions
  226. A Two Stage High Frequency Class F Power Amplifier
  227. Coplanar-to-rectangular waveguide millimeter-wave transitions manufacturing tolerance analysis using the finite-element method
  228. Microwave Power Amplifiers
  229. Load-Pull Techniques
  230. HTS miniaturized filter based on mixed resonators integrated with a two-stage low-noise amplifier
  231. Fabrication and nonlinear characterization of GaN HEMTs on SiC and sapphire for high-power applications
  232. Guest Editorial
  233. Direct noise characterization of microwave FET using 50? noise figure andY-parameter measurements
  234. High efficiency and high linearity power amplifier design
  235. Baseband predistorter using direct spline computation
  236. A C-band high efficiency second harmonic tuned hybrid power amplifier in GaN technology
  237. Nonlinear approaches to the design of microwave power amplifiers
  238. Theoretical aspects and practical design criteria for high-efficiency PAs
  239. An Approach to Harmonic Load– and Source–Pull Measurements for High-Efficiency PA Design
  240. Miniaturized Superconducting Filter Realized by Using Dual-Mode and Stepped Resonators
  241. Novel input-matching charts for microwave amplifier design
  242. Theoretical facet and experimental results of harmonic tuned PAs
  243. Design improvements in distributed amplifiers for optical receiver front ends
  244. A broadband self-biased monolithic frequency doubler for X-band application
  245. A 5.8-GHz ISM band active 90° hybrid and variable attenuator
  246. Power Balance in High Efficiency PAs
  247. Baseband Predistortion Lineariser Using Direct Spline Computation
  248. 18-26 GHz Cryogenic Multifeed Heterodyne Receiver MMIC InP/GaAs Based Technologies
  249. Harmonic-balance simulation of nonlinear scattering functions for computer-aided design of nonlinear microwave circuits
  250. A novel impedance pattern for fast noise measurements
  251. Multiharmonic manipulation for highly efficient microwave power amplifiers
  252. Efficient Hybrid Finite Elements - Modal Expansion Method for Microstrip-To-Waveguide Transitions Analysis
  253. CAD of evanescent-mode bandpass filters based on the short ridged waveguide sections
  254. A novel high Q active inductor for millimeter wave applications
  255. Broadband peaking techniques for HEMT-based monolithic transimpedance amplifiers
  256. Broadband peaking techniques for HEMT‐based monolithic transimpedance amplifiers
  257. A closed-form synthesis procedure for wideband matching in microwave FET amplifier design
  258. High efficiency low-voltage power amplifier design by second-harmonic manipulation
  259. Experimental performances of 5 GHz harmonic-manipulated high efficiency microwave power amplifiers
  260. Class G approach for low-voltage, high-efficiency PA design
  261. An 8 channel GaAs IC front-end discriminator for RPC detectors
  262. Non‐linear design of active frequency doublers
  263. On the class-F power amplifier design
  264. Non-linear design of active frequency doublers
  265. On the class‐F power amplifier design
  266. Gain enhancement and input parasitic compensation in MMIC transimpedance amplifiers for optical receivers
  267. Gain enhancement and input parasitic compensation in MMIC transimpedance amplifiers for optical receivers
  268. High-Q gyrator-based monolithic active tunable bandstop filter
  269. Design Techniques for Non-linear Microwave Circuits
  270. An actively compensated monolithic transimpedance amplifier
  271. Improved single-ended solutions for ultrawide-band monolithic GaAs amplifiers
  272. Theory and performance of parabolic true logarithmic amplifier
  273. A monolithic MESFET transimpedance amplifier using active inductors
  274. Non-linear frequency-domain analysis of microwave circuits through rational-functions modelling
  275. Novel decade-bandwidth microwave true logarithmic amplifier
  276. A novel design methodology for microwave true logarithmic amplifiers
  277. Multiport equivalent circuit model of MIM capacitors
  278. Large-signal Affine representation for nonlinear microwave circuits direct synthesis
  279. Monolithic GaAs ultra-wideband amplifier for pulse applications
  280. Equivalent circuit model of multiport overlay capacitors
  281. MIM capacitor modeling: a planar approach
  282. Nonlinear mixed analysis/optimization algorithm for microwave power amplifier design
  283. Harmonic-loaded microwave power amplifiers: Nonlinear design procedure
  284. Direct-synthesis design technique for nonlinear microwave circuits
  285. Itrative design-oriented analysis method for class-ab high-efficiency microwave power amplifiers
  286. Wideband equivalent circuit model of nonsymmetrical microstrip double step discontinuities
  287. Design Techniques For Non-linear Microwave Circuits
  288. Class-AB Power Amplifier Design Guidelines
  289. High-efficiency low-IM microwave PA design
  290. Class AB power amplifier advanced design techniques
  291. Harmonic load/source pull strategies for high efficiency PAs design
  292. Harmonic tuned PAs design criteria
  293. Design-oriented non-linear analysis of class-AB power amplifiers
  294. High-efficiency power amplifier CAD
  295. On the optimum design of microwave active frequency doublers
  296. HF Class F design guidelines
  297. A monolithic active notch tunable filter based on the gyrator principle
  298. On the generalised loaded-line phase shifter
  299. Compact MMIC active inductor
  300. Innovative Technologies for the Developments of W-band Radars and Communication Payloads
  301. A GaAs Front-End Receiver for Radioastronomy Applications
  302. New Model Of Microstrip Non-symmetrical Double Step Discontinuties
  303. Lowering the uncertainty in fast noise measurement procedures
  304. FEM-based evaluation of manufacturing tolerances on a millimeter-waves rectangular to coplanar waveguide transition
  305. An MMIC family for particle detector readout electronics
  306. AM/AM and AM/PM power amplifier characterisation technique
  307. Very high efficiency microwave amplifier. The harmonic manipulation approach
  308. Non-linear mixed analysis/optimisation algorithm for microwave power amplifier design
  309. Design-oriented iterative harmonic analysis of solid-state power amplifiers
  310. Power balance and harmonic tuning in microwave PAs