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參數(shù)資料
| 型號： | A78RS-11081RS |
| 廠商： | Motorola, Inc. |
| 英文描述： | Electronically Tuned Radio Front End |
| 中文描述： | 電子調(diào)諧無線電前端 |
| 文件頁數(shù)： | 1/4頁 |
| 文件大?。?/td> | 113K |
| 代理商： | A78RS-11081RS |
14
SEMICONDUCTOR
TECHNICAL DATA
ETR
FRONT END for
C–QUAM
AM STEREO
PIN CONNECTIONS
Order this document by MC13025/D
P SUFFIX
PLASTIC PACKAGE
CASE 648
16
1
D SUFFIX
PLASTIC PACKAGE
CASE 751B
(SO–16)
16
1
13
15
3
LO
Buffer
16
9
10
11
12
7
8
6
5
4
2
1
IF Amp Out
N.C. Open
Gnd
VCLO In
LO Output
Collector
Emitter
Base
Wideband
AGC Out
3V RefIn
IF Amp In
Gnd
Out
In
Wideband
AGC In
VCC
IF Amp
VCLO
4x LO
÷
4
Mixer
Wideband
AGC
(Top View)
PNP
Mixer
B
E
C
1
MOTOROLA ANALOG IC DEVICE DATA
The MC13025 is the complementary ETR
Electronically Tuned Radio
front–end for the second generation MC13022 C–QUAM
AM stereo IF and
decoder. The MC13025 provides a high dynamic range mixer, voltage
controlled oscillator, and first IF that with the MC13022 and synthesizer form
a complete digitally controlled AM stereo tuner system. This system in turn
may drive a dual channel audio processor and high power amplifiers for car
radio or home stereo applications. Other applications include portable radio
“boom boxes”, table radios and component stereo systems.
Operates Over a Wide Range of Supply Voltages: 6.0 VCC to 10 VCC
Wideband AGC Voltage to RF Amp for Extended Dynamic Range
Buffered VCO Output to Frequency Synthesizer
No External RF Amp Needed for Most Home Stereo and
Portable Radios
IF Drive Output Matches the MC13022 for Optimum Performance
VCO Operates at Four Times Local Oscillator Injection Frequency
ORDERING INFORMATION
Device
Operating
Temperature Range
Package
MC13025D
TA= –40
TA = –40
°
to +85
°
C
SO–16
MC13025P
Plastic DIP
Simplified Block Diagram
Stereo Indicator
Right Channel
Left Channel
Variable Bandwidth IF
Amplifier with Notch Filter
and C–QUAM
AM
Stereo Decoder
MC13022
Mixer
IF Amplifier
Buffer
÷
4
Wideband
AGC
Voltage
Controlled
Oscillator
MC13025
Pin Attn.
Driver
Varactor
Tuned
Circuit
Frequency
Synthesizer
Varactor
Tuned
Circuit
RF Amplifier
Audio Out
This device contains 93 active transistors.
Motorola, Inc. 1996
Rev 0
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