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參數(shù)資料
型號: RFRXD0920
廠商: Microchip Technology Inc.
英文描述: UHF ASK/FSK/FM Receiver
中文描述: 超高頻ASK / FSK信號/調(diào)頻接收機(jī)
文件頁數(shù): 1/32頁
文件大小: 658K
代理商: RFRXD0920
2003 Microchip Technology Inc.
Preliminary
DS70090A-page 1
rfRXD0420/0920
Features:
Low cost single conversion superheterodyne
receiver architecture
Compatible with rfPIC and rfHCS series of RF
transmitters
Easy interface to PICmicro
microcontroller
(MCU) and K
EE
L
OQ
decoders
VCO phase locked to quartz crystal reference:
- Narrow receiver bandwidth
- Maximizes range and interference immunity
Selectable LNA gain control for improved dynamic
range
Selectable IF bandwidth via external ceramic IF
filter
Received Signal Strength Indicator (RSSI) for
signal strength indication (FSK, FM) and ASK
demodulation
FSK/FM quadrature (phase coincidence) detector
demodulator
32-Lead LQFP package
UHF ASK/FSK Receiver:
Single frequency receiver set by crystal frequency
Receive frequency range:
Maximum data rate:
- ASK: 80 Kbps NRZ
- FSK: 40 Kbps NRZ
IF frequency range: 455 kHz to 21.4 MHz
RSSI range: 70 dB
Frequency deviation range: ±5 kHz to ±120 kHz
Maximum FM modulation frequency: 15 kHz
Pin Diagram:
Applications:
Wireless remote command and control
Wireless security systems
Remote Keyless Entry (RKE)
Low power telemetry
Low power FM receiver
Home automation
Remote sensing
Bi-CMOS Technology:
Wide operating voltage range
Low current consumption in Active and Standby
modes
- rfRXD0420
- 8.2 mA (typical, LNA High Gain mode)
- <100 nA standby
- rfRXD0920
- 9.2 mA (typical, LNA High Gain mode)
- <100 nA standby
Wide temperature range:
- Industrial: -40°C to +85°C
Device
Frequency Range
rfRXD0420
300 MHz to 450 MHz
rfRXD0920
800 MHz to 930 MHz
2
1
3
4
5
6
1
1
9
1
1
1
2
8
7
3
3
3
1
1
23
24
17
18
19
20
21
22
2
2
2
2
D
I
2
O
1
O
V
D
F
F
2
I
V
S
V
D
L
I
V
S
L
E
V
D
X
V
S
DEM
OUT
-
DEM
OUT
+
V
SS
RSSI
OPA+
OPA-
OPA
V
DD
V
SS
LNA
GAIN
LNA
OUT
1IF
IN
V
SS
1IF+
1IF-
V
DD
rfRXD0420
LQFP
rfRXD0920
UHF ASK/FSK/FM Receiver
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