User's Manual

Table Of Contents
Model 1150A DVOR
Rev. - November, 2008
This document contains proprietary information and such information may not be disclosed
to others for any purposes without written permission from SELEX Sistemi Integrati Inc.
2-23
Figure 2-10 Sideband Generator Block Diagram
Sideband 2 Input
Manual Phaser
Bi-Phase
Modulator
Phase
Det
Buffer
Audio Generator Phase
Control
-3 dBm
Buffer
Directional
Coupler
Pre-
Driver
Driver
-1 Mux
FWD
Amplitude
Det
PIN
Modulator
Driver
Reference Modulation
From Audio Generator
Detected FWD PWR
Mux
Amplitude
Comparator
Detected RFL PWR
High Pass
Filter
6 dB
Mean
Phaser
6 dB
PIN
Modulator
Buffer
-1
Mux
(CVOR only)
BI-PHASE
~SHUTDOWN
(Carrier Thermal or
Audio Gen Off Command)
~VSWR FAULT
Control
In-
In+
Out
In-
In+
Control
Control
-3dBm
48 to 28 Volt
DC to DC
(Serves SB1 &
2)
48 to 5 Volt
DC to DC
(Serves SB1 &
2)
5 to +/-12 Volt
DC to DC
(Serves SB1 &
2)
+5V
48VDC
48 VDC
+28V
+/-12V
Phase
Det
Phase Sample
Sideband 2
Phase Difference
Test point
SB1 to SB2
0 deg
0 deg
0 deg
90 deg
Connections swapped for
SB2
0 Deg from Hybrid
Low Pass Filter
Forward
Power
Sample
Reflected
Power
Sample
Error
Amp
Vref