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PA421A or PA821A as a receiving antenna combiner

Yes, this concept will work.  Note that the PA421A and PA821A were designed to combine transmitter outputs which provide far stronger RF signals than receiving antennas.  Thus when the PA421A or PA821A is used as a ...


PA821A and PA421A versus PA821SWB and PA412SWB

The PA821A features improved thermal management, which, when coupled with a new quieter fan, reduces the acoustic noise level by a minimum of 15 dB. Each input of the PA821A has an individually controlled amplifier that activates...


Expanding the PA821 with a PA760 or PA770

It is possible to use a PA760 or PA770 with the PA821: On the front panel of the PA821 is a bnc jack labeled "MAIN OUT." To the right of this is a group of 3 bnc jacks labeled "EXPANSION PORT." Connect a short bnc-to-bn...


Maximum RF Input - PA821A

The typical insertion loss from input to output of the PA821A is about -1.5 dB to -2 dB between 470 MHz and 698 MHz (the usual operating range of UHF wireless).  Note that these values are specific to the PA821A and do not n...


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