diode mixer schematic

A 5/8 mobile whip for 2m - Schematic for a a 2m 5/8 λ mobile whip, courtesy WB4MYL

70cm vertical antenna - Schematic for a DIY 70 cm vertical antenna

PA3CNJ Magnetic loop - Picture and projects including schematics of a loop antenna by PA3CNJ

Antique Radio Schematics - Antique Radio Schematics and Service Manuals for Tube Radios

SAMs Photofacts - Service Manuals and Schematics - Sams Photofact downloads - Schematics and Service Manuals for Radios, Amplifiers, More

Baycom modem schematic - A 1200 baud Baycom modem schematic by SP3EJJ

ECO Asay 3 elements yagi manual - schematic Manual of the 3 element yagi antenna by ECO antenne

TR-7 DIODE TEST - TR-7 PIN diode test procedure

Yaesu FT-817 CAT Interface - Here is the schematic of the simple CAT interface KO4BB use with his FT-817.

CAT cable schematic for FT 817 857 897 - To connect up your FT-817/857/897 to a PC you have a number of options. For the serial connection you can go ahead and obtain a CT-62 from YAESU. Alternatively you can make up your box with a level converter and cable using schematic in this page

ASAP Semiconductor - Electronic Component Distributor – ASAP Semiconductor is wholesale electronic component distributor in USA. We supply all types of electronic components like semiconductors, capacitors, resistors, diodes and many more.

AFR Enterprises - AFR Enterprises a leading distributor of electronic components, semicondustors, diodes, Resistors, Integrated Circuits across the USA.

12W amplifier - ON6MU 12 Watt amplifier schematic

12 v gel cell charger - Schematic of a fast charger for Gel Cell batteries

Semiconductors - Semiconductors, diodes and transistors, intregrated circuits

TVI Filter schematic - A simple TVI Filter schematic

40 meters QRP CW RTX Priority listing - This is the schematic of asolid-state 7 MHz QRP CW transmitter by VU2NAN

A Homemade Signal Generator - Homebrewing a 3 to 30 Mhz Signal Generator, project and schematic diagram

IC-92 Programming Cable schematic - Homebrew ICOM IC-92 programming cable following this 12-pin connection schematic by KA0BBQ

CAT Interface schematic for FT-857 - Schematic for Yaesu FT-857 CAT interface

VXO 80 metre receiver - 80 metre ceramix VXO with schematic and assembly instructions

30 m Band Direct Conversion Receiver - The direct conversion receiver described consists of only a bandpass filter, mixer IC, VFO and audio filter. With only 22 parts, this simple circuit should take a few hours at the weekend to construct.

Dual Radio Computer Interface - Schematic of a simple interface to connect a pc to a FT-1000 Mk5 Field and FT-817 transceivers.

PSK31 interface schematic for Yaesu RTX - Yaesu FT-1000MP, FT-990 and FT-920 packet data port to pc sound card for psk 31 interface.

RF Sampler - An RF sampler project with schematic by CX2UA