CIRCUIT DESIGN CDP-RX-07M, Руководство по эксплуатации

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OPERATION GUIDE
.
OG_CDP-RX-07M_v20e Circuit Design, Inc.
8
BLOCK DIAGRAM
Monolithic
Surface Acoustic Crystal Filter FM IF-IC:
ANT
Wave Filter (21.7MHz±7.5KHz) (2nd-Mix/IF-Amp/Quad detector)
(RF-In)
Filter
(LC)
Lo-In Mix-Out Mix-In
2nd-Local Active Filter Data Slicer
21.25MHz (2.4KHz) & Buffer
1st-Local Ceramic Filter
F0-21.7MHz (450KHz)
Buffer VCO
3
～
14V In Out Filter
(LC)
In Out Loop Filter
Lo active (LC)
21.25MHz Internal J1 J2
(TCXO) Jumper
（
Ch select)
S1/S2/MODE
：
CDP-RX-07MP only.
S2
S1
SPI
LD
MODE
GND
Regulator
GND
CTRL
Internal Clock
Vcc
1st-Mixer
PLL Synthesizer
IF-In
DO
OSC-Out
Voltage
Amp MCF SAW
Voltage
2.7V (Other)
2.7V (VCO & Buffer)
Regulator
RSSI
AF
DATA
RSSI
AF-Out
OSC-In
FIN
Typ. 8MHz)
1Chip CPU
(Flash memory/
FET-
SW