GBPPR Vision

Overview

This is a small video series hosted on YouTube aimed at experimenters and hackers covering topics related to amateur radio, homebrew electronics, test equipment, and other similar interests.

Please mirror these videos if you can.  Thanks!

Episodes

1. GBPPR Vision #1: Microwave Frequency Counters
• Overview of an EIP Model 545A microwave frequency counter.
• Phase Matrix  Phase Matrix bought EIP.
• EIP 545A Modification to Add Option 02  (1.1M ZIP)  (Instructions)
• EIP Microwave Model 545A & 548A Microwave Frequency Counters  Service Manual  (47.1M PDF)
• EIP Microwave Model 545B & 548B Microwave Frequency Counters  Operation Manual  (4.8M PDF)




2. GBPPR Vision #2: Cleaning RF Connectors
• Use a Microbrush and Nevr-Dull to clean BNC and N connectors.
• Microbrush
• Nevr-Dull




3. GBPPR Vision #3: Cutting & Cleaning Printed Circuit Board Material
• Use low-cost hardware and grocery store items to cut and clean your copper-clad PCB material.
• Harbor Freight Tools 4" Mighty-Mite Table Saw
• Midwest Tools Model M1200 13" Magnesium Snip
• 3M Scotch-Brite Scouring Pads
• 3M Contour Surface Sanding Sponges
• Bar Keepers Friend Copper Glo Powder
• Byrnes 4" Table Saw  High-end table saw for model makers and hobbists.




4. GBPPR Vision #4: Op-Amps for Audio Surveillance - Part 1
• General overview of a LM833 op-amp microphone amplifier for the speech band.
• National LM833 Dual Op-Amp  (455k PDF)




5. GBPPR Vision #5: Op-Amps for Audio Surveillance - Part 2
• Calculating the gain of an op-amp in a contoured audio application.
• National LM833 Dual Op-Amp  (455k PDF)




6. GBPPR Vision #6: Op-Amps for Audio Surveillance - Part 3
• Calculating the total input noise voltage of a LM833 op-amp microphone amplifier.
• National LM833 Dual Op-Amp  (455k PDF)
• Thermal Noise Calculator




7. GBPPR Vision #7: Review of the AADE L/C Meter IIB
• Quick overview of a low-cost inductor/capacitor meter for hobbyist work.  End of video is cut off.  Maximum values are around 150 mH / 1.5 µF.
• Almost All Digital Electronics (AADE) L/C Meter IIB  Main website.
• LC Meter Project and Kit - L/C Meter IIB  Technical overview of the meter's operation.




8. GBPPR Vision #8: Overview of the JAMCAT
• Audio-activated jammer adapter for a two-way radio.
• GBPPR JAMCAT




9. GBPPR Vision #9: 2.45 GHz Coffee Can Antennas
• Construction of a coffee can antenna operating at 2.45 GHz.
• Doppler Radar Explanation and Demo Using the Coffee Can Radar  (YouTube)
• Build a Coffee Can Radar  (YouTube)
• Antenna Design for the Laptop Radar Project  by Alan J. Fenn, PhD, MIT Lincoln Laboratory  (1.7M PDF)
• Tin Can Radar Forum
• How to Build a Tin Can Waveguide WiFi Antenna  For 802.11b/g wireless networks or other 2.4 GHz applications.




10. GBPPR Vision #10: Tuning a 2.45 GHz Coffee Can Antenna
• Use a RF sweep generator, a directional coupler, and a spectrum analyzer to tune a 2.45 GHz antenna.
• The directional coupler is RF Power SDC-202-302-R1-8 and covers 1.5 - 4 GHz.
• Return Loss
• Voltage Standing Wave Ratio (VSWR)




11. GBPPR Vision #11: Battlefield Laser Warning Receiver
• Experimental device to detect the laser designator used by laser-guided bombs and missles.
• Battlefield Laser Warning Receiver




12. GBPPR Vision #12: HP3336B to HP3336C Conversion
• Easy hack to add a 50 ohm output connection to the HP3336B synthesizer/level generator.
• HP3336A/B/C Synthesizer/Level Generator  Operation and Service Manual  (7.2M PDF)
• Dave's Test Equipment: HP3336B/C Modification




13. GBPPR Vision #13: Radio Shack Discone Antenna
• Overview and construction tips for the Radio Shack wideband scanner/ham discone antenna (20-043).
• Radio Shack Outdoor Scanner/Ham Discone Antenna  Catalog #: 20-043
• eHam.net: Radio Shack Discone Product Reviews




14. GBPPR Vision #14: Radio Shack Discone Antenna Frequency Response
• 10 MHz to 1300 MHz frequency response sweep of a Radio Shack wideband scanner/ham discone antenna (20-043).
• The directional coupler is KDI/Triangle DCK-1010 and covers 1.0 - 1000 MHz.
• Radio Shack Outdoor Scanner/Ham Discone Antenna  Catalog #: 20-043
• KDI/Triangle Electronics DCK/DCP-Series Directional Couplers  (40k PDF)
• Return Loss
• Voltage Standing Wave Ratio (VSWR)

Inspiration

• Jeri Ellsworth  Jeri Ellsworth documents her amateur science experiments.
• EEVblog: Electronics Engineering Video Blog  An off-the-cuff video blog by Dave Jones about electronics engineering for engineers, hobbyists, enthusiasts, hackers, and makers.
• W2AEW's Electronics, Test Equipment, Ham Radio, and Misc. Videos  Videos by Alan Wolke on hobby electronics, test & measurement, ham radio, and other stuff.  Really good oscilloscope tutorials.
• N2CUA  Extra class amateur radio operator (N2CUA) and electronics technician for over 40 years.
• Solar Power and Electronic Measurements  Videos by Martin Lorton for anyone interested in solar power, electronic measurement equipment, multimeters, and other bits and bobs!
• Adafruit Industries  Adafruit was founded in 2005 by MIT engineer, Limor "Ladyada" Fried.  Her goal was to create the best place online for learning electronics and making the best designed products for makers of all ages and skill levels.
• The Signal Path Blog  An electrical engineering video blog for students, hobbyist and hackers.
• Dr. L. R. Linares  Electrical engineering video tutorials straight from a professor.
• KF5OBS Video Blog  Electronics and RF-related video blog by Sebastian Westehold.