Tait TB8100 Manual De Instalación Y Operación página 93

Figura 4.9 Distribución de alimentación de la estación base
Rear panel ON/
OFF switch
AC converter
(500W)
AC input
(115‐230VAC Temperature
(optional)
50/60Hz) To /
Mains good
from µP
Shutdown
Rear panel ON/
OFF switch
DC module
DC converter
(40/500W)
Data
To / (optional)
Temperature
from
Hysteresis enable
µP
Run
DC input
12/24/48VDC
Standby power supply card
To /
Standby present
Standby
from
Shutdown
28-29V
µP
Manual de Instalación y Operación TB8100
© Tait Limited Febrero de 2014
Power
Management
AC module
Unit
(PMU)
Front panel PA1
& PA2 outputs
To /
Data
from
Run
Auxiliary Rear panel aux output
µP
28 to 12/24/48V
Auxiliary power
supply board
Front panel
Reciter outputs
PMU µP
&
2
I C pull-ups
Standby isolate
(from uP)
System
Control bus
Control
28 to 5V
Panel
2
I C
control
Speaker
signal
amplifier
Microphone
circuitry
RS-232
circuitry
I 2 C
circuitry
Power
Control board
Amplifier
28 to 10V
regulator
(PA)
(switched)
µP Control
28 to 5V
regulator
(permanent)
28 to -3V
regulator
(permanent)
Reciter
Reset
SIF_28V
Not connected
System interface
power input
System
interface
digital
logic
System interface D‐
range supply
output
System
interface
analogue
circuitry
System interface board
RF circuits
Power
control
circuitry
28 to 2.5V
regulator
(permanent)
µP Control
b
Diagnostics
RF
and power
circuits
control
circuitry
RF circuits
Analogue power
Low pass filter
control circuitry
board
6W board
Protection
Fuse
Power supply
connectors
Receiver
RF
Receiver circuitry
digital
logic
Exciter
RF
RISC
circuitry
-memory
-clock
RX/EX/
EX Ref
Synths &
DSP
VCO's
-Codec
-ADC
-DDC
-Power control logic
PWD_EX
PWD_RX
PWR_ON
Digital board RF board
Descripción de las funciones del sistema
RF circuits
60W board
Power supply
connectors
93