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U4065B 반도체 회로 부품 판매점

FM Receiver IC



ATMEL Corporation 로고
ATMEL Corporation
U4065B 데이터시트, 핀배열, 회로
Features
On-chip Control Functions are Available for System Gain Adjust
(dB Linear versus DC Current)
Low Noise LO Design
ESD Protected
Benefits
All Front-end Functions of a High-performance FM Receiver Except the RF
Preamplifier are Integrated
Improved Dynamic Range by High Current Double-balanced Mixer Design and a New
AGC Conception with 3 Loops On-chip
Improved Blocking and Intermod Behavior Due to a Unique “Interference” Sensor
Controlling the AGC
Easy Cascading of 3 IF Filters (Ceramic) Enabled by Two On-chip IF Preamplifiers
FM Receiver IC
U4065B
Description
The IC U4065B is a bipolar integrated FM front-end circuit. It contains a mixer, an
oscillator, two IF preamplifiers and an unique interference sensor. The device is
designed for high-performance car radio and home receiver applications.
Rev. 4807A–AUDR–05/04


U4065B 데이터시트, 핀배열, 회로
Figure 1. Block Diagram
ANT
RF tank
PIN
ATT
VS
IF tank
19 18
16
14
Mixer
IF BPF
IF gain adjust
IF BPF
20 21 4 7
IF 1
VS
53
IF output
IF BPF
2
IF 2
RF tank
VTUNE
RF
NC 12
Interference
mixer
LO tank
23
Local
24 oscillator
AGC
wide band
and IF
IF and
detector
22 1
LO output
11 9
Interference
IF BPF
8 10
13
AGC adjust
(wide band)
Voltage
regulator
17
6
+
VS
VREF = 4 V
AGC level
VS
2 U4065B
4807A–AUDR–05/04




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제조업체: ATMEL Corporation

( atmel )

U4065B receiver

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국내 전력반도체 판매점


상호 : 아이지 인터내셔날

전화번호 : 051-319-2877

[ 홈페이지 ]

IGBT, TR 모듈, SCR, 다이오드모듈, 각종 전력 휴즈

( IYXS, Powerex, Toshiba, Fuji, Bussmann, Eaton )

전력반도체 문의 : 010-3582-2743



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U4065B

FM Receiver IC - ATMEL Corporation