Nine band-pass bandpass filter for shortwave transceiver / receiver 1-30 MHzSwitching ranges is made by a decoder (CD4028) which supports almost all frequency synthesizers.The boar..
This filter is designed to work together with the HF Standard frequency synthesizer controllerWith this filter, you can cut off the upper portion of the low frequency signal to 10k..
This device is intended for radio amateur shortwave transceiver 160 - 10 meter range.It is based on the microprocessor STM32F100, the frequency synthesis chip SI5351.All device sta..
This is a DSP filter for sound processing. It can be used both for processing the signal from the microphone during transmission and for the audio signal upon reception. As the onl..
Synthesizer frequency Si5351 transceiver for shortwave. The development of our UT5QBC UV7QAE and colleagues.
Synthesizer of microcontroller assembled on STM32F100C8T6B, all..
Printed circuit board with all soldered SMD resistors, capacitors, ICs, transistors, including polyphaser elements, except the MAX7400 chip (not soldered and not included)
With..
Octave band bandpass filter for the direct conversion transceiver "Pilgrim". The card offers a UHF (PRE) and ATT (attenuator). Managed by the synthesizer for DC transceive..