Канал «w2aew»

Всего видео: 421
-
#417: What is the Transition Frequency (fT) of a transistor - and how to test it.
13:54

#417: What is the Transition Frequency (fT) of a transistor - and how to test it.

Канал: w2aew
Дата: 17.10.2026
#416: Vintage Tools: Slide Chart computers/calculators - before there was "an app for that!"
08:34

#416: Vintage Tools: Slide Chart computers/calculators - before there was "an app for that!"

Канал: w2aew
Дата: 24.09.2026
#415: The MC-750 Portable Antenna from Chelegance - time to setup and take down
04:43

#415: The MC-750 Portable Antenna from Chelegance - time to setup and take down

Канал: w2aew
Дата: 07.08.2026
#414: How to use an SV4401A VNA to tune a duplexer
15:02

#414: How to use an SV4401A VNA to tune a duplexer

Канал: w2aew
Дата: 26.07.2026
#413: Cascading Common-Emitter Amplifiers using an Emitter Follower
07:38

#413: Cascading Common-Emitter Amplifiers using an Emitter Follower

Канал: w2aew
Дата: 24.07.2026
#412: Common Emitter Amplifier - Input and Output Impedance
14:00

#412: Common Emitter Amplifier - Input and Output Impedance

Канал: w2aew
Дата: 28.06.2026
#411: Tool Tip: Not all Phillips screws are created equal - JIS vs. Phillips screws and drivers
03:54

#411: Tool Tip: Not all Phillips screws are created equal - JIS vs. Phillips screws and drivers

Канал: w2aew
Дата: 13.06.2026
#410: How to update the firmware on the SV4401A handheld VNA from Sysjoint / Chelegance
04:17

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

Канал: w2aew
Дата: 01.03.2026
#409: Ham Radio: POTA go-kit using a Hidden Woodsman M55 Haversack for the Elecraft KX2
03:57

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

Канал: w2aew
Дата: 01.02.2026
#408: Distortion using Class A, B, AB and C amplifier types (by request)
11:04

#408: Distortion using Class A, B, AB and C amplifier types (by request)

Канал: w2aew
Дата: 22.01.2026
#407: Installation of Yaesu optional 500Hz Collins Mechanical Filter in the FT-857D
04:39

#407: Installation of Yaesu optional 500Hz Collins Mechanical Filter in the FT-857D

Канал: w2aew
Дата: 16.01.2026
#406: Current Regulator/Limiting Diodes (JFET) and their applications
17:51

#406: Current Regulator/Limiting Diodes (JFET) and their applications

Канал: w2aew
Дата: 29.12.2025
#405: Using TinySA Ultra to measure keyer speed of a Kenwood TS-890S transceiver
05:01

#405: Using TinySA Ultra to measure keyer speed of a Kenwood TS-890S transceiver

Канал: w2aew
Дата: 13.12.2025
#405: The CurveBug - a dual octopus style debugging tool from VintageTEK
14:55

#405: The CurveBug - a dual octopus style debugging tool from VintageTEK

Канал: w2aew
Дата: 10.11.2025
#404: The VFET is a JFET that thinks it is a Triode vacuum tube - aka Static Induction Transistor
06:52

#404: The VFET is a JFET that thinks it is a Triode vacuum tube - aka Static Induction Transistor

Канал: w2aew
Дата: 24.10.2025
#403: Measuring a Directional Coupler with a SV4401A VNA
18:44

#403: Measuring a Directional Coupler with a SV4401A VNA

Канал: w2aew
Дата: 10.09.2025
#402: Overview of the Sysjoint SV4401A Vector Network Analyzer from Chelegance
09:34

#402: Overview of the Sysjoint SV4401A Vector Network Analyzer from Chelegance

Канал: w2aew
Дата: 23.08.2025
#401: Tool Time: What is a Wiggy?  Ans: A Solenoid-type Voltage Tester
08:40

#401: Tool Time: What is a Wiggy? Ans: A Solenoid-type Voltage Tester

Канал: w2aew
Дата: 13.07.2025
#400: Measuring the Minimum Discernable Signal and bandwidth of the 40m Direct Conversion receiver.
07:48

#400: Measuring the Minimum Discernable Signal and bandwidth of the 40m Direct Conversion receiver.

Канал: w2aew
Дата: 28.06.2025
#399: Review: 3D-printed Straight-key with a great story - by the HamRadioDuo
05:45

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

Канал: w2aew
Дата: 13.06.2025
#398: My  build of the SolderSmoke Challenge Direct Conversion Receiver for 40m
13:03

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

Канал: w2aew
Дата: 01.06.2025
#397: How to use cursors on Tektronix 2400 series scopes, including some "secret" features
12:27

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

Канал: w2aew
Дата: 08.03.2025
#396: Demystifying Oscilloscope Triggering - what it does and how to use it
16:02

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

Канал: w2aew
Дата: 21.02.2025
#395: Easy to make ground-radial kit for portable radio operations using ribbon cable
08:40

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

Канал: w2aew
Дата: 30.12.2024
#394: Oscilloscope Best Practices - some of the most common issues and tips
12:07

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

Канал: w2aew
Дата: 16.12.2024
#393: Analysis of the RF characteristics of the Baofeng UV-5R Dual Band HT
10:56

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

Канал: w2aew
Дата: 10.10.2024
#392: Schematic Basics: Multi-position switches in Simpson 260 VOM and Realistic DX-160 Receiver
15:34

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

Канал: w2aew
Дата: 28.09.2024
#391: POTA: First POTA activation with the CFT1 5-Band CW transceiver kit
13:23

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

Канал: w2aew
Дата: 17.09.2024
#390 Kit Build: CFT1 5-band CW Field Transceiver - build / adjust / align / test
39:42

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

Канал: w2aew
Дата: 16.09.2024
#388: Build, tune and test a trapped 20/30/40m End Fed Half Wave antenna
09:18

#388: Build, tune and test a trapped 20/30/40m End Fed Half Wave antenna

Канал: w2aew
Дата: 06.07.2024
#387: How  to build and tune traps for a multi-band End Fed Half Wave (EFHW) antenna
11:54

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

Канал: w2aew
Дата: 01.07.2024
#386: Build the Iambic "pressure" paddle from VK3IL
06:56

#386: Build the Iambic "pressure" paddle from VK3IL

Канал: w2aew
Дата: 01.06.2024
#385: How to quickly tune the Penntek TR-45L Z-match tuner
02:14

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

Канал: w2aew
Дата: 22.04.2024
#384: What is the bandwidth of a CW / Morse code signal? (as a function of speed and rise/fall time)
11:44

#384: What is the bandwidth of a CW / Morse code signal? (as a function of speed and rise/fall time)

Канал: w2aew
Дата: 28.03.2024
#383: Measuring AM Modulation Depth using an Analog Oscilloscope (followup from #382)
09:12

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

Канал: w2aew
Дата: 06.03.2024
#382: Measuring AM modulation depth/percentage with a digital oscilloscope
11:44

#382: Measuring AM modulation depth/percentage with a digital oscilloscope

Канал: w2aew
Дата: 02.03.2024
#381: Circuit Fun Followup: Trimming out distortion on Twin-Tee Oscillator - FFT &THD measurement
05:36

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

Канал: w2aew
Дата: 19.02.2024
#380: Circuit Fun: Twin-Tee Oscillator - low distortion op amp sine waves
12:48

#380: Circuit Fun: Twin-Tee Oscillator - low distortion op amp sine waves

Канал: w2aew
Дата: 17.02.2024
#379: How to measure coax loss using a NanoVNA
11:16

#379: How to measure coax loss using a NanoVNA

Канал: w2aew
Дата: 23.12.2023
#378: Ham Radio: Measuring CW Keyer speed on the Elecraft KX2 and Penntek TR-45 Lite
10:22

#378: Ham Radio: Measuring CW Keyer speed on the Elecraft KX2 and Penntek TR-45 Lite

Канал: w2aew
Дата: 03.12.2023
#377: How to install a crimp-on BNC connector to RG-8X coax cable
04:15

#377: How to install a crimp-on BNC connector to RG-8X coax cable

Канал: w2aew
Дата: 30.11.2023
#376: Ham Radio: Build, Tune and Test a QRP End Fed UNUN kit from KM4CFT
11:42

#376: Ham Radio: Build, Tune and Test a QRP End Fed UNUN kit from KM4CFT

Канал: w2aew
Дата: 05.11.2023
#375: Ham Radio Quickie: Ground Radial wires vs. the "Magic Carpet" Faraday cloth
04:38

#375: Ham Radio Quickie: Ground Radial wires vs. the "Magic Carpet" Faraday cloth

Канал: w2aew
Дата: 31.10.2023
#374: Back to Basics: JFET Current Source / Limiter circuits
14:40

#374: Back to Basics: JFET Current Source / Limiter circuits

Канал: w2aew
Дата: 16.10.2023
#373: Portable ham radio / POTA: The Spiderbeam 40' (12m) telescoping mast and hitch mounted support
05:34

#373: Portable ham radio / POTA: The Spiderbeam 40' (12m) telescoping mast and hitch mounted support

Канал: w2aew
Дата: 02.10.2023
#372: How to install an N-connector, crimp-on type, to LMR-600, RG-217 or similar coax cable
03:40

#372: How to install an N-connector, crimp-on type, to LMR-600, RG-217 or similar coax cable

Канал: w2aew
Дата: 05.09.2023
#371: Ham Radio Quick Tip: Tuning aid for Adjustable Coil vertical like the MP1 and others
01:35

#371: Ham Radio Quick Tip: Tuning aid for Adjustable Coil vertical like the MP1 and others

Канал: w2aew
Дата: 24.07.2023
#370: FX-4CR Transceiver PCB replacement procedure
08:35

#370: FX-4CR Transceiver PCB replacement procedure

Канал: w2aew
Дата: 23.07.2023