Amateurlogic.tv (audio)

E6B Diodes 50:11

George explores a Jameco Electonics Grab Bag. Mike installs Dragon OS Pi 64. Tom Apalenek, WA2IVD visits Quartzfest 2022. Tommy reviews the B3603 Power Controller. Importance of ESR in Capacitor Testing. 1:40:40

E6A Semiconductor materials and devices: semiconductor materials; germanium, silicon, P-type, N-type; transistor types: NPN, PNP, junction, field-effect transistors: enhancement mode; depletion mode; MOS; CMOS; N-channel; P-channel

Emile and Glen build the DigiPi Project. George explores Vic20 on an ESP32 microcontroller. Tommy’s quick ID52A Setup guide. UK Rum Butter at Tea Time. 1:32:23

E5D AC and RF energy in real circuits: skin effect, electromagnetic fields, reactive power, power factor, electrical length of conductors at UHF and microwave frequencies, microstrip.

Emile talks GMRS Data modes. ID-52A power on screen with Tommy Dirt. George has the new ARRL Handbook 2022 edition. And an update on Energizer Ultimate Lithium batteries. 1:11:57

E5C Coordinate systems and phasors in electronics: Rectangular Coordinates, Polar Coordinates, Phasors.

Tommy completes the LiFePO4 battery build and begins load testing. Emile runs Multi-applications on his shack Pi. The Cheapmunks drop by for a high frequency Christmas. Canadian and Creole holiday Food tasting. 1:20:55

E5B Time constants and phase relationships: RL and RC time constants, phase angle in reactive circuits and components, admittance and susceptance.

George explains AM & FM Broadcast Signals and decodes HD Radio on an SDRPlay receiver. Mike cooks up some tasty Android Pi. Is this the Pi OS we’ve been waiting for? Tommy builds an economical 50 Ah LiFePO4 Battery Pack.

E5A Resonance and Q: characteristics of resonant circuits: series and parallel resonance, definitions and effects of Q, half-power bandwidth, phase relationships in reactive circuits. 1:05:41

Celebrating 16 years of AmateurLogic.TV. Peter, VK3PB drops in for and update from downunder. George shows some of his favorite tips and projects from the last few years. Tommy demonstrates a neat battery capacity tester. Emile discovers new Cheap Tricks with Echolink. Announcing the winner of our 16th Anniversary contest! Cliff Boand, WA0JTW will receive an Icom IC-705 Transceiver, AH-705 Auto Tuner, LC-192 Backpack, MFJ-4230MV Power Supply, MFJ-2012 OCF Antenna, and RG-8X coax.

E4E Noise suppression and interference: Noise suppression and interference: system noise, electrical appliance noise, line noise, locating noise sources, DSP noise reduction, noise blankers, grounding for signals, common mode currents. 1:10:53

George demonstrate RN Noise, free AI noise suppression plug-in. Emile rides out Hurricane Ida while stationed on emergency stand by. Tom Apalenek, WA2IVD joins us to share his first visit to Huntsville Hamfest. AmateurLogic’s 16th Anniversary Contest. Someone is going to win a great Icom IC-705 transceiver package. Details at amateurlogic.tv/contest. 1:21:26

E4D Receiver performance characteristics: blocking dynamic range, intermodulation and cross-modulation interference, third-order intercept, desensitization, preselectors. 55:30

Mike 3D prints a custom Solder Fumes Extractor. Emile reviews SDR Console software. Tommy sets up his Icom AH-705 auto tuner. George does some AA exploring. Announcement of AmateurLogic’s 16th Anniversary Contest. Someone is going to win a great Icom IC-705 transceiver package. Details at amateurlogic.tv/contest . 1:18:50

E4C Receiver performance characteristics: phase noise, noise floor, image rejection, MDS, signal-to-noise ratio, noise figure, reciprocal mixing, selectivity, effects of SDR receiver non-linearity, use of attenuators at low frequencies. 55:21

George’s Distortion Exploration. Tommy and the One Man Field Day Team. Mike discovers SDRangel software. 1:07:25

E4B Measurement technique and limitations: instrument accuracy and performance limitations, probes, techniques to minimize errors, measurement of Q, instrument calibration, S parameters, vector network analyzers. 54:43

A $22 Raspberry Pi Touchscreen with case and fan. Is it worth it? The awesome VC4S Intelligent Battery Tester, Charger, Conditioner. VARA File Transfers and Chat over HF and FM gets the job done. 1:24:20