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Playlists · 13
All 13 playlists
- TenTec 1254 Receiver Videos · 3 videos
13:39#75: Basics of Opamp circuits - a tutorial on how to understand most opamp circuits
791K viewsHow to understand most op-amp circuits using two simple rules.
24:59#297: Basics of the Smith Chart - Intro, impedance, VSWR, transmission lines, matching
283K viewsIntroduces the Smith chart: plotting impedance, reading VSWR, and how transmission lines and matching show up on it.
19:00#170: Basics of IQ Signals and IQ modulation & demodulation - A tutorial
590K viewsWhat IQ signals are and how IQ modulation and demodulation work.
25:57#256: Capacitor types, characteristics, and applications
134K viewsSurvey of capacitor types (ceramic, film, electrolytic, tantalum, etc.), their characteristics and where each is used.
8:11#257: Power Supply Decoupling & Filtering: why we use multiple caps in different locations
142K viewsWhy boards use several decoupling capacitors of different values and placements, shown with real impedance measurements.
18:23#273: Common Emitter Amplifier Design Tips & Shortcuts
136K viewsA practical design procedure for a common-emitter transistor amplifier, with shortcuts for bias and gain.
16:49#312: Back to Basics: What is a VNA / Vector Network Analyzer
223K viewsWhat a vector network analyzer measures (magnitude and phase of reflection and transmission) and why that matters for RF work.
12:05#339: Basics of a Super-heterodyne Receiver - how it works, and a peek at the signals
83.3K viewsHow a superheterodyne receiver works stage by stage, with probing of the actual signals.
17:49#223: Basics of the Gilbert Cell | Analog Multiplier | Mixer | Modulator
120K viewsHow the Gilbert cell multiplier works and how it is used as a mixer and modulator.
16:05#235: Basics of Analog Panel Meters | Analog meter movements | D'Arsonval
119K viewsHow D'Arsonval analog panel meters work and how shunts and multipliers turn them into ammeters and voltmeters.
14:32#262: IQ Modulator Basics: Operation, measurements, impairments
110K viewsHow an IQ modulator works, how it's measured and what impairments (gain/phase imbalance, leakage) look like.
15:07#275: Smith Chart: Z, VSWR, Reflection Coef and Transmission Line Effects
185K viewsHow impedance, reflection coefficient and VSWR relate, and how a transmission line rotates impedance around the Smith chart.
21:34#356: Back to Basics: the Emitter Follower, or Common-Collector Amplifier
95.4K viewsHow the emitter follower (common-collector amplifier) works, its gain, impedances and design.
9:04#237: 4 Wire Resistance Measurement | Kelvin connection
71.1K viewsWhy four-wire (Kelvin) resistance measurement removes lead resistance and how to do it.
1:19:35#242: How to use an oscilloscope. Plus, seeing signals in antique radios | NJARC
122K viewsA full talk on how to use an oscilloscope, then applying it to signals in antique radios.
13:54#417: What is the Transition Frequency (fT) of a transistor - and how to test it.
58.7K viewsWhat a transistor's transition frequency fT means and a bench method to measure it.
9:56#100: Capacitor self-resonance measured with an oscilloscope and signal generator - how to tutorial
55.8K viewsA 10-minute video from w2aew's catalogue; the title names its topic.
9:00#101: How to measure FM Frequency Deviation without special equipment using Carrier / Bessel Null
42.4K viewsA 9-minute video from w2aew's catalogue; the title names its topic.
8:35#102: How to desolder or unsolder components using solder wick and vacuum tools
A 9-minute video from w2aew's catalogue; the title names its topic.
4:23#103: Ham Radio on vacation - Long Beach Island with Icom IC-703+ NJ (NA-111), 10mo after Sandy
5.12K viewsA 4-minute video from w2aew's catalogue; the title names its topic.
16:43#104: Circuit tutorial: sawtooth generator w/ current sources, diode switches, hysteresis comparator
148K viewsA 17-minute video from w2aew's catalogue; the title names its topic.
4:41#105: More Circuit Fun: Simple 3 transistor sawtooth generator / oscillator
188K viewsA 5-minute video from w2aew's catalogue; the title names its topic.
5:50#106: Measuring low-pass filters in a Ham Radio HF Packer Amp for Amateur HF Bands
12.8K viewsA 6-minute video from w2aew's catalogue; the title names its topic.
3:35#107: Adjusting the MOSFET drain current in the HF Packer V4 Amplifier (ham radio)
19.4K viewsA 4-minute video from w2aew's catalogue; the title names its topic.
8:05#108: Adding a CW-SSB Mode switch to the HF Packer V4 Amplifier (ham radio)
8.39K viewsA 8-minute video from w2aew's catalogue; the title names its topic.
4:33#109: How to: Fluke 87 Multimeter fuse replacement, DMM True RMS
A 5-minute video from w2aew's catalogue; the title names its topic.
9:26#10: AC / DC Coupling on an Oscilloscope
123K viewsA 9-minute video from w2aew's catalogue; the title names its topic.
11:32#110: Circuit Fun: Flexible Ramp Generator to create frequency sweeps using 555 timer and op amps
66.7K viewsA 12-minute video from w2aew's catalogue; the title names its topic.
17:08#112: Use an Oscilloscope and Signal Generator help tune an HF Antenna, measure complex impedance
213K viewsA 17-minute video from w2aew's catalogue; the title names its topic.
12:56#113: Basics of Transistor bias point and the class of amplifier operation
306K viewsA 13-minute video from w2aew's catalogue; the title names its topic.
11:09#114: Tutorial: Common Emitter, Common Collector, and Common Base Transistor amplifiers
240K viewsA 11-minute video from w2aew's catalogue; the title names its topic.
17:27#115: How to replace the meter movement in a Simpson 260 multimeter VOM
36.8K viewsA 17-minute video from w2aew's catalogue; the title names its topic.
22:57#116: Repair Log, Part 1: Yaesu FT-7800 Dual Band FM Transceiver, no VHF output
54.4K viewsA 23-minute video from w2aew's catalogue; the title names its topic.
12:07#117: Repair Log, Part 2: Yaesu FT-7800 Dual Band FM Transceiver, fixed 2m tx problem
37.5K viewsA 12-minute video from w2aew's catalogue; the title names its topic.
17:45#118: Basics of PIN diodes and their use in RF switch applications
137K viewsA 18-minute video from w2aew's catalogue; the title names its topic.
8:37#119: Basics of Resolution Bandwidth and Video Bandwidth in a Spectrum Analyzer (RBW VBW)
180K viewsA 9-minute video from w2aew's catalogue; the title names its topic.
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