Tait TB9100 Service Manual

102 Power Supply TB9100 Reciter Service Manual
© Tait Electronics Limited January 2006
Figure 7.1 Reciter Power Supply Block Diagram
Polyswitch
+ Zener
DSP Low
Regulator
2.5V
3V
Lock-out
Circuit*
3V
Regulator
3.3V
Regulator
8V
Regulator
Power
Switch
Power
Switches
Charge
Pump
Power
Switch
Power
Switch
Protection
Circuit
Linear 5V
Regulator
Dual SMPS
Regulator
Dual SMPS
Regulator
Comparators
Fan
Switch
Filter
Filter
5V
Regulator
Filter
5V
Regulator
Switch Filter
+28V
+28V
5.3V
8.5V
23V
8V
8VEX
8VRX
3.3V
PWD_EX
PWD_RX
PWD_ON
+28V
+28V
SD
5.3V
3.3V
Control
PWR_GOOD
PWD_ON
PWD_RX
Digital 5.3V
To Fan
+28V to RF PCB
RF PCB
Digital PCB
*To prevent DSP latch-up
Analog 5.3V
Analog 5V
Analog
3V
System 5V
Digital 3.3V
Analog 3.3V
Analog 3.3V
2.5V
3.3V to ASIF

Tait TB9100 Specifications

General

Brand	Tait
Model	TB9100
Category	Accessories
Language	English