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UPC2533 の電気的特性と機能

UPC2533のメーカーはNECです、この部品の機能は「AM TUNER FOR ELECTRONIC TUNING CAR RADIOS」です。


製品の詳細 ( Datasheet PDF )

部品番号 UPC2533
部品説明 AM TUNER FOR ELECTRONIC TUNING CAR RADIOS
メーカ NEC
ロゴ NEC ロゴ 




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UPC2533 Datasheet, UPC2533 PDF,ピン配置, 機能
DATA SHEET
BIPOLAR ANALOG INTEGRATED CIRCUIT
µPC2533
AM TUNER FOR ELECTRONIC TUNING CAR RADIOS
The µPC2533 is an IC developed as an AM tuner for car stereos and car radios.
It employs an up-conversion type double super-heterodyne configuration (IF1 = 10.71 MHz, IF2 = 450 kHz).
The internal configuration consists of the MIX1 block (MIX1, OSC1, Buff1), MIX2 block (MIX2, OSC2, Buff2), IF
amplifier, detection circuit, AGC circuit, signal meter circuit, SD (station detector) circuit, and Lo/DX (short range/long
range) circuit.
Features
• Possible to select stations using only one varactor diode with narrow variable capacitance range
• Tracking adjustment unnecessary
• Coil switching between LW (long wave) and MW (middle wave) unnecessary
• Less sensitivity deviation due to tracking error
• High S/N: 60 dB
• Signal meter output with good linearity
• Signal meter output voltage inclination setting possible by external resistor.
• Can be used with IF (intermediate frequency) counter turning system or high/low tuning system.
Type Number
µPC2533GS-01
µPC2533GS-02
SD Sensitivity Setting
IF Counter Output High/Low Output
Set by pin No. 7 Set by pin No. 9
Signal Meter Voltage
Inclination Setting
Depends on SD
sensitivity setting
Set by pin No. 7
Set by pin No. 9
Remarks
SD sensitivity of IF counter
system and high/low system
can be set independently.
Tilt of the signal meter
voltage can be set without
regard to SD sensitivity.
• LO/DX function on-chip
• Since IFT (intermediate frequency transformer) turn ratio is free from limitation for matching of ceramic filter
impedance, it is easy to design MIX gain with IFT.
The information in this document is subject to change without notice.
Document No. S11989EJ4V0DS00 (4th edition)
Date Published August 1998 N CP(K)
Printed in Japan
The mark shows major revised points.
©
1993

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UPC2533 pdf, ピン配列
Pin Configuration (Top View)
36-pin plastic shrink SOP (300 mil)
µPC2533GS-01
µPC2533GS-02
µPC2533
OSC1 Buff 1
ALC 2
Vref1 3
LO/DX 4
SEEK 5
SD ACOUT 6
SD ACadj [SDadj] 7
SD IFIN 8
SD DCadj [SMOUT] 9
SD DCOUT 10
OSC2 (B) 11
OSC2 (E) 12
Vref2 13
MIX2AGC T.C. 14
VO (AF) 15
GND 16
VCC 17
IF2OUT 18
36 RF AGC1
35 RF AGC2
34 RF AGC T.C.
33 MIX1IN
32 MIX1OUT
31 MIX1OUT
30 MIX1BYP
29 Buff1IN
28 GND
27 Buff1OUT
26 MIX2BYP
25 MIX2OUT
24 MIX2OUT
23 MIX2IN
22 Buff2IN
21 Buff2OUT
20 IF AGC T.C.
19 IF2IN
Remark µPC2533GS-02 pin names are in parentheses. Pins not in parentheses are used in both the
µPC2533GS-01 and µPC2533GS-02.
3


3Pages


UPC2533 電子部品, 半導体
Pin No.
9
Symbol
SD DCadj
Name
SD DC sensitivity setting
(and signal meter output)
[SMOUT]
[Signal meter output]
10 SD DCOUT SD DC output (Active high)
Equivalent Circuit
( µ PC2533GS-01)
VCC
µPC2533
(3/7)
5 k
9
( µ PC2533GS-02)
VCC
5 k
9
10
5.2 V
11 OSC2 (B)
12 OSC2 (E)
OSC2 (base)
OSC2 (emitter)
13 Vref2
6
Reference voltage
ZIN = 5 k±20 %
11
Vref
VCC
ZO = 240 ±20 %
12
Reference voltage (6.0 V)

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共有リンク

Link :


部品番号部品説明メーカ
UPC2533

AM TUNER FOR ELECTRONIC TUNING CAR RADIOS

NEC
NEC
UPC2539

RDS DATA DEMODULATOR IC

NEC
NEC
UPC2539GS

RDS DATA DEMODULATOR IC

NEC
NEC


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