13cm 1W ATV transmitter 

13cm PLL-controlled 1W output ATV transmitter. It combines a Comtech TX module, Klein Electronics OSD-module and commercial 1W PA module.

Project in midway.
Project in midway.

Controls in the front panel, from the back side. Power switch, OSD switches, audio/video inputs, and OSD programming plug
Controls in the front panel, from the back side. Power switch, OSD switches, audio/video inputs, and OSD programming plug

Comtech 20mW module and Klein Electronics ODS module side to side. 1W PA module at the back
Comtech 20mW module and Klein Electronics ODS module side to side. 1W PA module at the back

1W PA module, found from eBay.
1W PA module, found from eBay.

Front panel. Pushbutton is to reset OSD after feeding new configuration through the modular connector. Cisco console cable found a perfect usage here :)
Front panel. Pushbutton is to reset OSD after feeding new configuration through the modular connector. Cisco console cable found a perfect usage here :)

Completed TX, less top cover. PLL controlled, 1W transmitter covering whole 13cm amateur band.
Completed TX, less top cover. PLL controlled, 1W transmitter covering whole 13cm amateur band.


Not too much space, but everything fits in.
Not too much space, but everything fits in.

TX PLL controller and OSD boards are stacked
TX PLL controller and OSD boards are stacked

PA heatsink and RF out connector
PA heatsink and RF out connector

Bad picture of the OSD output without other signal. It has a dish icon on the top row with 'OH2LAK /M'. Bottom row says '2380MHz 1W output power'
Bad picture of the OSD output without other signal. It has a dish icon on the top row with 'OH2LAK /M'. Bottom row says '2380MHz 1W output power'


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