Avcom PSA-45D Portable Spectrum Analyzer
This battery powered spectrum
analyzer covers 950 to 2150 Mhz, i.e. the common satellite to
house cable frequencies. It's commonly used to peak an
antenna and ID a specific channel in the sattelite IF band.
The chassis is divided up with the
powr supply battery charger on the left and the microwave modules
on the right.
|Simplified Block diagram
There is a DC power jack on the back
panel that's the same as the one on the PLGR
GPS receiver. Rated for 15 VBDC input at up to a couple of
The Cigarette Lighter Plug (with fuse & LED) to PLGR cable. (CLP-PLGR
should work to power this unit.
Under the access hatch on the rear panel there is provision for
two battery packs. But only the lower pack is
installed. Why the top battery pack? Contact
If the battery is moved from the bottom to the top slot the unit
operates in the same way. Maybe they are in parallel?
There's a red LED on the Power Supply board that's blinking when
the front panel switch is off.
There's a DB-9f jack on the rear
panel that's for factory use. Has anyone hacked it? Contact
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created Dec 21 2011.