Hans Summers Radio Electronics
post 01 Jan 2022
Projects_Homebrew Links →
30 Volt Computer Power Supply Stack
A bonus was that I discovered that these did not need a standby load connected to the supply to keep them running - just apply mains power and close the Start lead to ground
Amateur Radio Projects Vector Network Analyzere
This is a homebrew VNA capable of both transmission and reflection measurements from 0.05 to 60 MHz, with about 0.035 Hz frequency resolution and over 110 dB of dynamic range
A Portable Station for 30 MetresI decided on the 30 metre kit, because 30m has less static in the summer months than 40m
Antan un analyseur d'antennes compact
The best analysis of an antenna, for a correct adjustment, is done at its feed point, without passing through the cable or the power line
Frequency counter up to 12 GHz
Lab bench device that counts signals from below 500mhz to above 12 ghz
170
A bonus was that I discovered that these did not need a standby load connected to the supply to keep them running - just apply mains power and close the Start lead to ground
This is a homebrew VNA capable of both transmission and reflection measurements from 0.05 to 60 MHz, with about 0.035 Hz frequency resolution and over 110 dB of dynamic range
The best analysis of an antenna, for a correct adjustment, is done at its feed point, without passing through the cable or the power line
Lab bench device that counts signals from below 500mhz to above 12 ghz
Antennas_manufacturers
About Rtty mode
Audio Recording
Amplifiers
Antennas Satellite
Amateur Television ATV
Aprs software
Beacon
Band Plan Ham Radio
Capitals Europe
DX cluster software
Italy provices
Italia-call-ham radio Italy provices Ham Radio Clubs Italy
EME Ham Radio Satellite
Grid Software
Ham shirts
Ham radio Magazine
Log Converter Software
Logs Search Services
Meteor scatter
Microwave
Mac Ham Radio Software
Practice with the soldering
Propagation Solar Cycle
Power Supply
PMR 466Mhz
Packet Radio TNC
PSK31 software
Prefix World
Propagation prediction
Qrp low power
QSL Printing
QRSS Amateur VLF operating
Radio old Museum
Radio portal
Surplus radio
Sstv Photo
SWL Shortwave DX Radio
Telegraph Morse code
VHF Activit
Web SDR