The 500 Series VHF / UHF receiver consists of the following assemblies:
Descriptions and specifications to come shortly.
RF Preamplifier (optional)
Helical Resonator Module (450 MHz receiver)
Mixer/Multiplier Module
Buffer Module
Audio Power Amplifier Module
(4) Channel TCXO Module (VHF receiver) or (3) Channel TCXO Module (UHF receiver)
14.5 MHz Low IF Module
Low IF Module
Dual Receive Monitor Board (optional)
Quiet Channel (PL) Decoder Board (optional)
Picture of RCA 500 Series UHF Base Station Receiver/Exciter (front view)
Download RCA 500 Series VHF Receiver Tuning Procedure - PDF Format (Coming Soon)
Download RCA 500 Series UHF Receiver Tuning Procedure - PDF Format (1.9M - 6 Pages)
All of these assemblies are mounted in a metal casting. The entire assembly is 5.25"H x 19"W and 4.25"D.
In repeater applications, there are right angle end brackets that allow the receiver to
be mounted in a standard 19" rack.
The Commercial Receiver TCXO frequency (16.13 MHz to 18.40 MHz) is determined by the following formula:
Desired Commercial Receive Input Frequency in MHz - 14.5 MHz / 27
or the Commercial Receiver TCXO frequency (15.57 MHz to 17.18 MHz) is determined by the following formula:
Desired Government Receive Input Frequency in MHz + 14.5 MHz / 27