w2aew

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414 videos

Mostly videos on hobby electronics, test & measurement, ham radio, and other stuff. The site is mainly geared towards the hobbyist. Be sure to let me know if...

Latest Videos

#410 How to update the firmware on the SV4401A handheld VNA from Sysjoint Chelegance

#409 Ham Radio POTA go-kit using a Hidden Woodsman M55 Haversack for the Elecraft KX2

#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 RegulatorLimiting 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.

#399 Review 3D-printed Straight-key with a great story - by the HamRadioDuo

#398 My build of the SolderSmoke Challenge Direct Conversion Receiver for 40m

#397 How to use cursors on Tektronix 2400 series scopes, including some secret features

#396 Demystifying Oscilloscope Triggering - what it does and how to use it

#395 Easy to make ground-radial kit for portable radio operations using ribbon cable

#394 Oscilloscope Best Practices - some of the most common issues and tips

#393 Analysis of the RF characteristics of the Baofeng UV-5R Dual Band HT

#392 Schematic Basics Multi-position switches in Simpson 260 VOM and Realistic DX-160 Receiver

#391 POTA First POTA activation with the CFT1 5-Band CW transceiver kit

#390 Kit Build CFT1 5-band CW Field Transceiver - build adjust align test

#388 Build, tune and test a trapped 203040m End Fed Half Wave antenna

#387 How to build and tune traps for a multi-band End Fed Half Wave (EFHW) antenna

#386 Build the Iambic pressure paddle from VK3IL

#385 How to quickly tune the Penntek TR-45L Z-match tuner

#384 What is the bandwidth of a CW Morse code signal (as a function of speed and risefall time)

#383 Measuring AM Modulation Depth using an Analog Oscilloscope (followup from #382)

#382 Measuring AM modulation depthpercentage with a digital oscilloscope

#381 Circuit Fun Followup Trimming out distortion on Twin-Tee Oscillator - FFT &THD measurement