Hello,
I am looking for any information on the following amplifiers: 1.) Watkin-Johnson WJ-6615-512 P1 (GaAs FET Amplifier), frequency range marked on encasing is 1.0-2.6 GHz 2.) Watkin-Johnson WJ-738-3 (Low Noise Solid State Amplifier), frequency range marked on encasing is 0.5-1.0 GHz Both amplifiers have 110V AC power supplies attached to them. As I live in Germany and we have 220V mains I would like to modify them and operate them from a DC voltage. However I do not know the needed DC supply voltage nor the necessary polarity. Any information is highly appreciated, especially a data sheet. Many thanks in advance for any help and best 55&73 from Germany Matthias www.dd1us.de <http://www.dd1us.de/>
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