PC97.com - Plus+ Channels for Creators and Shoppers

#366: Back to Basics: Basics of the Bipolar Transistor - NPN and PNP

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PT20M22S

#319: Measuring Crystals with NanoVNA and other tools

w2aewOct 29, 2020

56k

PT7M34S

#315: How to use the NanoVNA to measure a low-pass filter

w2aewJun 23, 2020

103k

PT16M49S

#312: Back to Basics: What is a VNA / Vector Network Analyzer

w2aewJun 6, 2020

186k

PT24M59S

#297: Basics of the Smith Chart - Intro, impedance, VSWR, transmission lines, matching

w2aewMar 7, 2019

264k

PT13M28S

#284: Basics of RF Bias Tees including applications and examples

w2aewJun 20, 2018

67k

PT11M48S

#276: Smith Chart: Design an L-Network - Impedance Matching Circuit

w2aewJan 27, 2018

115k

PT14M32S

#262: IQ Modulator Basics: Operation, measurements, impairments

w2aewJun 22, 2017

98k

PT8M11S

#257: Power Supply Decoupling & Filtering: why we use multiple caps in different locations

w2aewApr 11, 2017

137k

PT10M51S

#208: Visualizing RF Standing Waves on Transmission Lines

w2aewAug 3, 2015

137k

PT20M55S

#193: Back to Basics: the differential amplifier, aka long-tailed pair, diff-pair

w2aewJan 31, 2015

140k

PT18M17S

#190: Back to Basics: Transistor Current Sources and Mirrors

w2aewJan 17, 2015

146k

PT22M58S

#184: How to calibrate an analog oscilloscope

w2aewNov 25, 2014

112k

PT10M47S

#176: Uniden / President HR2510 10m transceiver repair - won't transmit

w2aewOct 5, 2014

49k

PT17M41S

#136: What is a dB, dBm, dBu, dBc, etc. on a Spectrum Analyzer?

w2aewMar 23, 2014

378k

PT8M37S

#119: Basics of Resolution Bandwidth and Video Bandwidth in a Spectrum Analyzer (RBW VBW)

w2aewNov 23, 2013

174k

PT16M43S

#104: Circuit tutorial: sawtooth generator w/ current sources, diode switches, hysteresis comparator

w2aewAug 12, 2013

144k

PT16M21S

#83: Basics of RF Mixers in Radio Receivers / Mixer Tutorial / Frequency Conversion

w2aewMar 9, 2013

186k

PT15M3S

#82: How to use a Diode as a Switch / Diodes as Switches / Basics of Diode Switches

w2aewFeb 28, 2013

127k

PT15M9S

#79: Op Amp Power Supply Considerations: split, single, virtual ground, etc. - a tutorial

w2aewFeb 11, 2013

117k

PT22M12S

#60: Basics of Phase Locked Loop Circuits and Frequency Synthesis

w2aewAug 31, 2012

277k

PT9M42S

#51: Basic Spectrum Analyzer Do's and Dont's ...

w2aewJun 19, 2012

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Featured Results

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

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

#366: Back to Basics: Basics of the Bipolar Transistor - NPN and PNP

#319: Measuring Crystals with NanoVNA and other tools

#315: How to use the NanoVNA to measure a low-pass filter

#312: Back to Basics: What is a VNA / Vector Network Analyzer

#297: Basics of the Smith Chart - Intro, impedance, VSWR, transmission lines, matching

#284: Basics of RF Bias Tees including applications and examples

#276: Smith Chart: Design an L-Network - Impedance Matching Circuit

#262: IQ Modulator Basics: Operation, measurements, impairments

#257: Power Supply Decoupling & Filtering: why we use multiple caps in different locations

#208: Visualizing RF Standing Waves on Transmission Lines

#193: Back to Basics: the differential amplifier, aka long-tailed pair, diff-pair

#190: Back to Basics: Transistor Current Sources and Mirrors

#184: How to calibrate an analog oscilloscope

#176: Uniden / President HR2510 10m transceiver repair - won't transmit

#136: What is a dB, dBm, dBu, dBc, etc. on a Spectrum Analyzer?

#119: Basics of Resolution Bandwidth and Video Bandwidth in a Spectrum Analyzer (RBW VBW)

#104: Circuit tutorial: sawtooth generator w/ current sources, diode switches, hysteresis comparator

#83: Basics of RF Mixers in Radio Receivers / Mixer Tutorial / Frequency Conversion

#82: How to use a Diode as a Switch / Diodes as Switches / Basics of Diode Switches

#79: Op Amp Power Supply Considerations: split, single, virtual ground, etc. - a tutorial

#60: Basics of Phase Locked Loop Circuits and Frequency Synthesis

#51: Basic Spectrum Analyzer Do's and Dont's ...

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Featured Results

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

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

#366: Back to Basics: Basics of the Bipolar Transistor - NPN and PNP

#319: Measuring Crystals with NanoVNA and other tools

#315: How to use the NanoVNA to measure a low-pass filter

#312: Back to Basics: What is a VNA / Vector Network Analyzer

#297: Basics of the Smith Chart - Intro, impedance, VSWR, transmission lines, matching

#284: Basics of RF Bias Tees including applications and examples

#276: Smith Chart: Design an L-Network - Impedance Matching Circuit

#262: IQ Modulator Basics: Operation, measurements, impairments

#257: Power Supply Decoupling & Filtering: why we use multiple caps in different locations

#208: Visualizing RF Standing Waves on Transmission Lines

#193: Back to Basics: the differential amplifier, aka long-tailed pair, diff-pair

#190: Back to Basics: Transistor Current Sources and Mirrors

#184: How to calibrate an analog oscilloscope

#176: Uniden / President HR2510 10m transceiver repair - won't transmit

#136: What is a dB, dBm, dBu, dBc, etc. on a Spectrum Analyzer?

#119: Basics of Resolution Bandwidth and Video Bandwidth in a Spectrum Analyzer (RBW VBW)

#104: Circuit tutorial: sawtooth generator w/ current sources, diode switches, hysteresis comparator

#83: Basics of RF Mixers in Radio Receivers / Mixer Tutorial / Frequency Conversion

#82: How to use a Diode as a Switch / Diodes as Switches / Basics of Diode Switches

#79: Op Amp Power Supply Considerations: split, single, virtual ground, etc. - a tutorial

#60: Basics of Phase Locked Loop Circuits and Frequency Synthesis

#51: Basic Spectrum Analyzer Do's and Dont's ...

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