fif 232 schematic

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

Starman Electric - Starman Electric manufactures DataBridge wireless RF modem modules for easy point-to-point wireless data transmission of analog, digital, and serial RS232 UART signals.

ATV 432 MHz transmitter - ATV 432 MHz AM transmitter schematic

80m fox hunting receiver - Schematic anc PCB for a fox hunting receiver for 80 meters band

The VK3YNG sniffer MK3 - This processor controlled autoranging sniffer has become popular for vehicle based foxhunting in Australia

HF Amplifiers comparison chart - Comparison table of most popular RF HF Power Amplifiers in the US market

FT-817 DC Circuit Protection - A schematic for a DX circuit protection for the Yaesu FT-817, provides protection from the external power supply overvoltage by DL2LTO in german

Beechhurst Electronic Design Solution - Complete software design suite DVD. From schematic to Gerber files for PCB vendors.

7 Watt HF Amplifier - An RF power amplifier, providing 7 Watts output in HF bands, schematic by ON6MU

2m and 6m Power Amp - Duoband PA for 6m and 2m by T92T abd YU1AW schematic

VHF Power amplifier for 6m and 2m - YU1AW power amplifier schematic for 50 MHz and 144 MHz made with 1xGI7V

Mic Pre Ampllifier - A microphone preamplifier schematic for hand-helds by ON6MU

Battery voltage booster - A battery voltage booster project with pictures and schematic by KD7W

CAT Interface - CAT (Computer Aided Tuning) connects computers with ham radio. Yaesu FT-890 intercace and ICOM IC-Q7 schematics by DK7IN

QRP Power Meter and Dummy Load - In this article the schematic is of AA5TB QRP power meter and dummy (50 Ohm) load combination

4AMP 18v power supply - Schematic of a 4 AMP / 18v regulated power supply by ON6MU

2A Power Supply - Schematic of a regulated 0-24v 2A Power Supply

A 40 meter QRP Transceiver - A 7 MHz homebrewed QRP transceiver project with full schematic and detailed pictures by DL5NEG

50MHz SSB/CW Transceiver - A SSB CW transceiver for six meters band with schematic and block diagram

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

Radio Programming Interface - This article describes a generalised unit for interfacing a transceiver's TTL/CMOS interface to RS-232.

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

7N3WVM Regen Receiver - Regenerative short wave radio schematic

AA5TB regenerative receiver - Project and schematic of a regenrative receiver by AA5TB

RF Sampler - An RF sampler project with schematic by CX2UA