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DCHT, DCHT/E01, DCHT-B1C1, DCHT/E01-B1C1, DCHT-941, DCHT-961, DCHT/E09-A1B1
DCHT, DCHT/E01 Block Diagram
CHANNEL 1
Servo Bias
Bias Voltage
Supply
HI/Lo
Input
Pass
Preamp
Filter
Gain
Adj
Shunt
Limiter
Limiter Control
PLL Ref
Oscillator
VCTCXO
36.864 MHz
6
Input
Jack
1 2 3 4 5 6
0, 2 or 3.6V
A-D
Converter
Audio
I2S
Converter
Microprocessor
Status Ready
Keypad
Phase Locked Loop
CHANNEL 2 (analog/digital selectable)
Servo Bias
Supply
Input
Preamp
Rate
Gain
Adj
Shunt
Limiter Control
Limiter
D-A Converter
I + Q
Baseband
Signals
I2S
(2) AA
Batteries
Firmware
Update
UART
Voltage Controlled
Oscillator
Control
Bias Voltage
0, 2 or 3.6V
A-D
Converter
HI/Lo
Audio
Pass
Filter
I2S
Low
pass
lters
Switching
Power
Supply
Power
LED
Tricolor
IR Port
USB
Jack
IQ Modulator
Low
Bu er
Pass
Filter
Ampli er
Filters
Final
LECTROSONICS, INC.
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