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#408: Distortion using Class A, B, AB and C amplifier types (by request)
#407: Installation of Yaesu optional 500Hz Collins Mechanical Filter in the FT-857D
#406: Current Regulator/Limiting Diodes (JFET) and their applications
#405: Using TinySA Ultra to measure keyer speed of a Kenwood TS-890S transceiver
#405: The CurveBug - a dual octopus style debugging tool from VintageTEK
#404: The VFET is a JFET that thinks it is a Triode vacuum tube - aka Static Induction Transistor
#403: Measuring a Directional Coupler with a SV4401A VNA
#402: Overview of the Sysjoint SV4401A Vector Network Analyzer from Chelegance
#401: Tool Time: What is a Wiggy? Ans: A Solenoid-type Voltage Tester
#400: Measuring the Minimum Discernable Signal and bandwidth of the 40m Direct Conversion receiver.
