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33 MHz diplexer


This is optional, but the diplexer should be mounted as close to the mixer's IF output as possible
post 26 Feb 2024
33 MHz diplexer

Antenna Duplex duplexer Links

50



Look on schematic diagramm MFJ duplexer
For connect TX antenna and RX converter i suppose that RX converter has 145 IF Im use old MFJ-916 duplexer with 144/440 label

Make yourself a Diplexer
By having to change coax connectors when you change bands? Here's a simple way to do it automatically, with very low loss

Micro Duplexer for 70cm and 2M
The KI0AG Micro Duplexer very small, light weight and ideal to go inside the boom ofthe antenna


23cm Yagi Antenna building

23cm Yagi Antenna building Finished antenna at 1275 MHz SWR under 1:1.5 at resonant frequency

50 MHz preamp Gain 26dB with the BFG135

50 MHz preamp Gain 26dB with the BFG135 Preamps for 144 and 430 MHz, for 50 MHz, the BFG135a is a cheap transistor and in my view rather strong. It is not easily damaged by static discharge or RF power. FG connection

interface-for-digital-broadcasts-with-integrated-audio

Interface-for-digital-broadcasts-with-integrated-audio 4-port HUB, with a TUSB2046. With port 1 of the HUB we drive the FT232RL; with port 2 the PCM2904, furthermore, we decided to leave ports 3 and 4 free