VS300 Operations and Maintenance Manual
Issue 8.0 2016-03-01
Page 1-7
Figure 1.1: Block Diagram - VS300 Transmitter
I/O
ADC
PA
ADC
ARM
ASRC
PA
VOLTS
(180-264VAC)
1-PHASE
INPUT
EXTERNAL
USB
AES/EBU
SCA/RDS
COMPOSITE
COMPOSITE
ANALOG L & R /
PILOT OUT
1PPS
REMOTE I/O
CONTROL/DATA
STREAMING
ADC
ADC
DAC
REMOTE
ADC
(OPTIONAL)
PLL
OSCILLATOR
RF
QUADRATURE
(OPTIONAL)
BANDPASS
+5V
FAN V
RF OUT
+5V
+15V
RF IN
EXT RF IN
SENSE CIRCUITRY
PA CURRENT
AMP
STAGE 2
SENSE
CURRENT
RF MONITOR
RF SAMPLE
10MHz
ETHERNET
AUDIO
AUDIO INPUTS
AUDIO PLAYBACK/
INTERFACE
PROCESSOR
INTERFACE
"I/Q"
DSP
USER INTERFACE
OCXO
10MHz TCXO
SELECT
HIGH SPEED
DUC + DAC
AUDIO
PROCESSOR
FILTER
+15V
FAN V
+48VDC
FAN
PRE
CIRCUITRY
PRE-AMP
HARMONIC
FILTER
RF OUT
AC POWER SOURCE
PROCESSOR
SCA GENERATOR
RDS/RBDS DATA /
POWER SUPPLY
PA POWER SUPPLY
LOW VOLTAGE
PRE-AMP V
CONTROL/MONITOR I/O
FAN TACH
PA BIAS 1
PRE AMP V
PRE AMP BIAS
BASEBAND
DIGITAL
PA TEMP
OUTPUT FWD PWR
CONTROL/EXCITER PWB
DISTRIBUTION PWB
CONTROL/MONITOR I/O
+7-53VDC
HEATSINK TEMP
B2110004 V2
SERIAL CONSOLE
+48V
POWER SUPPLY
CURRENT SAMPLE
OUTPUT REFLD PWR
POWER SUPPLY
RF SECTION
SENSOR 1
Summary of Contents for VS300
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