Specifications

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WARNING: Disconnect primary power prior to servicing.
Section 3 Operation
Platinum VAX-C Series
3.4.5 PFRU Setup
Figure 3-19 PFRU Setup Screen
Table 3-16 Xmtr Home>Exciter Home>Setup>PFRU
Field Explanation
CHANNEL SETUP sub window
Frequency
(MHz)
Enter licensed frequency in MHz with decimals.
SFN Offset
(Hz)
Field is available if SFN option is installed and functioning.
10MHz OXCO REFERENCE sub window
System
Reference
- Internal GPS (from internal GPS receiver)
- Ext. 10 MHz reference input
- Ext. 1PPS reference input
- Manual (Control of 10 MHz reference oscillator from the Discipline Reference window.)
The 10 MHz OCXO (Oven Controlled crystal (X) Oscillator) is the reference source for
the 1st and 2nd local oscillators. It can be locked, via a PLL (Phase Locked Loop), to an
external 1PPS signal from a GPS receiver, to an external 10 MHz reference, or to the
internal GPS receiver.