These projects and schematics are produced during my job as RF design engineer.
They are addressed for everyone who desire to continue to find out new challenges in the RF area.
Articles ( in Bulgarian )
My 144MHz transceiver
External Tracking Generator - 100kHz...1000MHz
( Thanks to my friend Simeon Hristov for help !!! )
ISM Transmitter and Receiver with TDA5100 / TDA5200 (Infineon)
Universal Frequency Sinthesizer
2. Universal Frequency Synthesizer - top layer
7. Universal Frequency Synthesizer - jpeg
Universal Power Supply
Open source program like Hiper Terminal for RS232 communications - from Nikolay Deliyski
USB-RS232-RS485 converter - forward and backward all to all - with FT232BM chip - from Nikolay Deliyski
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