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PDF NJM2295A Data sheet ( Hoja de datos )
| Número de pieza | NJM2295A | |
| Descripción | FM IF Demodulator IC / SSOP20 | |
| Fabricantes | JRC | |
| Logotipo |  |
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NJM2295A
www.DataSheet4U.com
FM IF IC FOR REMOTE KEYLESS ENTRY SYSTEM
■ GENERAL DESCRIPTION
The NJM2295A is FM IF IC for the remote keyless entry
system (RKE). It includes almost all functions of IF blocks,
from the 1st. Mixer to the wave shaving circuit.
Exclusively designed NJM2295A is suited not only for the
RKE, but for other FM signal receivers.
■ PACKAGE OUTLINE
NJM2295AV
■ FEATURES
● Low Operating Current
● Low Operating Voltage
● Local Oscillation Frequency
● Mixer Active Frequency
● IF Frequency
● 1st. Mixer Included
● RSSI Circuit Included
● FSK Wave Shaping Circuit
● Bipolar Technology
● Package Outline
5mA typ. at V+=5V
+2.7V to 7.0V
50 to 350MHz
to 450MHz
IF=10.7MHz
SSOP20
■ BLOCK DIAGRAM
Ver.2003-12-09
-1-
1 page  
www.DataSheet4U.com
■ TERMINAL FUNCTION
PIN No.
SYMBOL
FUNCTION
Output terminal for limiter amplifier.
9 LIM OUT Typical input impedance is 300
ohms.
Input terminal of a quadrature
10
QUAD IN
detection circuit.
Connect with a ceramic
discriminator.
NJM2295A
EQUIVALENT CIRCUIT
14 RSSI OUT RSSI output terminal.
11 AF OUT Demodulated siganl output.
Input terminal of a low pass filter.
12
LPF IN
This terminal is biased from the
AF-OUT terminal (11pin) through an
external RC filter.
Ver.2003-12-09
-5-
5 Page | ||
| Páginas | Total 6 Páginas | |
| PDF Descargar | [ Datasheet NJM2295A.PDF ] | |
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| Número de pieza | Descripción | Fabricantes |
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