User's Manual

DCHT, DCHT/E01
LECTROSONICS, INC.
6
DCHT, DCHT/E01 Block Diagram
I2S
A-D
Converter
Shunt
Limiter
Limiter Control
Gain
Adj
HI/Lo
Pass
Filter
Input
Preamp
Bias Voltage
0, 2 or 3.6V
Servo Bias
Supply
Audio
Filters
Keypad
(2) AA
Batteries
Oscillator
VCTCXO
I2S
Voltage Controlled
Oscillator
Final
Amplier
Control
PLL Ref
Phase Locked Loop
DSP Clock
Switching
Power
Supply
Microprocessor
Power
LED
Tricolor
D-A Converter
I + Q
Baseband
Signals
Low
pass
lters
IQ Modulator
UART
USB
Jack
Firmware
Update
Status Ready
Low
Pass
Filter
Buer
36.864 MHz
IR Port
I2S
A-D
Converter
Shunt
Limiter
Limiter Control
Gain
Adj
HI/Lo
Pass
Filter
Input
Preamp
Bias Voltage
0, 2 or 3.6V
Servo Bias
Supply
Audio
Input
Jack
123456
CHANNEL 1
CHANNEL 2 (analog/digital selectable)
Rate
Converter