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MC13028A

Motorola
Part Number MC13028A
Manufacturer Motorola
Description C-QUAM AM STEREO ADVANCED WIDE VOLTAGE IF and DECODER
Published Feb 23, 2015
Detailed Description Order this document by MC13028A/D MC13028A Advanced Wide Voltage IF and C-QUAM® AM Stereo Decoder The MC13028A is a thi...
Datasheet PDF File MC13028A PDF File

MC13028A
MC13028A

Overview
Order this document by MC13028A/D MC13028A Advanced Wide Voltage IF and C-QUAM® AM Stereo Decoder The MC13028A is a third generation C–QUAM stereo decoder targeted for use in low voltage, low cost AM/FM E.
T.
R.
radio applications.
Advanced features include a signal quality detector that analyzes signal strength, signal to noise ratio, and stereo pilot tone before switching to the stereo mode.
A “blend function” much like FM stereo has been added to improve the transition from mono to stereo.
The audio output level is adjustable to allow easy interface with a variety of AM/FM tuner chips.
The external components have been minimized to keep the total system cost low.
• Adjustable Audio Output Level • Stereo Blend Function • Stereo Threshold Adjustment • Operation from 2.
2 V to 12 V Supply • Precision Pilot Tone Detector • Forced Mono Function • Single Pinout VCO • IF Amplifier with IF AGC Circuit • VCO Shutdown Mode at Weak Signal Condition The purchase of the Motorola C–QUAM® AM Stereo Decoder does not carry with such purchase any license by implication, estoppel or otherwise, under any patent rights of Motorola or others covering any combination of this decoder with other elements including use in a radio receiver.
Upon application by an interested party, licenses are available from Motorola on its patents applicable to AM Stereo radio receivers.
C–QUAM AM STEREO ADVANCED WIDE VOLTAGE IF and DECODER for E.
T.
R.
RADIOS SEMICONDUCTOR TECHNICAL DATA 16 1 P SUFFIX PLASTIC PACKAGE CASE 648 16 1 D SUFFIX PLASTIC PACKAGE CASE 751B (SO–16) Representative Block Diagram 16 15 14 13 12 11 10 9 VCO AM Stereo Decoder IF Amp AGC B8 Pilot Tone Detector Signal Quality Detector Reg 1 2 3 4 56 7 This device contains 679 active transistors.
MOTOROLA ANALOG IC DEVICE DATA 8 PIN CONNECTIONS Stereo Threshold Adjust AGC Bypass Filter IF Feedback Bypass 1 2 3 IF Signal Input 4 Gnd 5 Stereo Indicator Drive 1.
0 V Reference 6 7 Blend 8 16 Right Channel Output 15 Left Chan...


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