Transceivers

Here you will find our home made SSB/CW transceivers. Georgi Dachev LZ2GL made all of the schematics, PCBs and aluminum constructions for the boxes. Ivan Dachev made the software for microcontrollers and all other tasks around that.

SDR-1000 Schematics

Here you will find schematics for our version of the popular SDR-1000 transceiver, it uses DDS AD9854 from Analog Devices. Schematics [cap

SDR-1000 Description

During 2008-2009 we constructеd our own version of SDR-1000 transceiver based on information in internet, it uses DDS AD9854 from Analog De

New Radio IF 9MHz Commands

Here are pictures of LCD panel in different modes of transceiver with commands description. Base Functions Shows RX/TX receive or tran

New Radio IF 9MHz Schematics

Here you will find schematics for our homemade new SSB/CW transceiver. Synthesizer is based on DDS AD9832 from AnalogDevices and controlled

New Radio IF 9MHz Description

In the period 2004-2005 we constructed our new transceiver where its frequency synthesizer is based on DDS AD9832 from AnalogDevices, and a

Old Radio Description

In 2000-2001 we constructed our first transceiver with a frequency synthesizer that is controlled by PIC16F84/88 microprocessor from Microc