EQUIPMENT FOR 5,7 GHz BAND

 5,7 GHz transverter, Version 5 "Light", 1W output

  Project based on YO4HFU - Robert, 5,7 GHz, Version 5 transverter, 1W out

   https://www.qsl.net/yo4hfu/Transverter_5.7GHz_Portable.html

  project started 07.07.2025

transverter progress 10.07.2025
transverter progress 01.08.2025
transverter progress 03.08.2025
transverter progress 07.08.2025
transverter progress 08.08.2025
transverter progress 10.09.2025
Mosfet Power Module for 12V SMA coaxial relay command
transverter progress 16.09.2025
transverter progress 25.09.2025 - ready for chip programming and final alignaments
be very careful when soldering MAX2871, pin 1 is marked with +
transverter progress 22.11.2025 - PLL at 6V - MAX locked, ADF locked, PLL level out 14,75 dB
the transverter has only 5V at Rx/Tx switching. To switch 12V relays, a MosFet power module switch must be added
LM2596 step-down module converter
RadioWaves SPD2-5.2NS-RD 2ft (0.6m) 5.25-5.85GHz, where the boom attachment system was restored

15.01.2026 - Transverter final alignaments
Bargraph with 4 LED's "on" at full output power
Version 5 "Light" - project almost finished

5,7 GHz transverter, Version 2 "Mini", 240 mW output

New project based on YO4HFU - Robert, 5,7 GHz transverter, Version 2 "Mini"

https://www.qsl.net/yo4hfu/Transverter_5.7GHz.html

transverter progress 12.12.2025

PLL 5616 MHz - 2808MHz x 2

PLL 5616 MHz was made with ADF4351 module, PIC12F625 controlled for 2808 MHz

At 2808 MHz the level signal was -1.7 dB

40db RF amplifier module was used for passive doubler frequency module with HMC204 attack and another 20dB RF amplifier module for > 13dB level for mixer HMC219 from transerter

15 dB level at 5616 MHz

measurements and adjustments

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