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