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NJM2549

Description
WIDE BAND FM IF DEMODULATOR
File Size241KB,18 Pages
ManufacturerNew JRC
Websitehttps://www.njr.com
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NJM2549 Overview

WIDE BAND FM IF DEMODULATOR

NJM2549
WIDE BAND FM IF DEMODULATOR
GENERAL DESCRIPTION
The
NJM2549
is a wide band IF IC with a maximum
IF input frequency of 15 MHz.
It includes an IF Amplifier, Quadrature Detector, RSSI
and IF Balanced Output.
PACKAGE OUTLINE
MAIN APPLICATIONS
RF ID
Radar detector
Wireless Infrared Communication System
Voice Transmission System
A few MHz band Signal Detector
NJM2549RB2
FEATURES
Wide Range Operating Voltage
Low Operating Current
Wide Range IF Input Frequency
Wide Band FM Detector Range
RSSI Quick Response
High FM Detection Sensitivity
IF Amplifier with Balanced Output
Bipolar Technology
Package Outline
2.7V to 9V (recommended supply voltage)
3mA (standard)
10.7MHz (standard)
100kHz to 15MHz (reference value)
DC to 1MHz (reference value)
22dBuV (- 3dB Limiting Sensitivity)
TVSP10
BLOCK DIAGRAM
AF
OUT
QUAD
IN
IF
OUT1
IF
OUT2
RSSI
OUT
10
9
8
7
6
QUAD
DET
IF AMP
RSSI
1
V
Ver.2010-06-24
2
IF
IN
3
IF
DEC1
4
IF
DEC2
5
GND
-1-
+

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NJM2549 NJM2549RB2
Description WIDE BAND FM IF DEMODULATOR WIDE BAND FM IF DEMODULATOR
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