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MC13020

Motorola
Part Number MC13020
Manufacturer Motorola
Description AM STEREO DECODER
Published Feb 23, 2015
Detailed Description Order this document by MC13020/D MC13020 Motorola C-QUAM® AM Stereo Decoder This circuit is a complete one ship, full ...
Datasheet PDF File MC13020 PDF File

MC13020
MC13020


Overview
Order this document by MC13020/D MC13020 Motorola C-QUAM® AM Stereo Decoder This circuit is a complete one ship, full feature AM stereo decoding and pilot detection system.
It employs full–wave envelope signal detection at all times for the L + R signal, and decodes L – R signals only in the presence of valid stereo transmission.
• No Adjustments, No Coils • Few Peripheral Components • True Full–Wave Envelope Detection for L + R • PLL Detection for L – R • 25 Hz Pilot Presence Required to Receive L – R • Pilot Acquisition Time 300 ms for Strong Signals, Time Extended for Noise Conditions to Prevent “Falsing” • Internal Level Detector can be used as AGC Source MOTOROLA C–QUAM® AM STEREO DECODER SEMICONDUCTOR TECHNICAL DATA 20 1 P SUFFIX PLASTIC PACKAGE CASE 738 ORDERING INFORMATION Device Operating Temperature Range Package MC13020P TA = – 40 to +85°C Plastic DIP +8.
0Vdc Figure 1.
Simplified Application 0.
0033 0.
0033 0.
0033 220 IF Input Optional Tuner AGC Source 0.
01 + 10µF 0.
001 1 l Detector 2 Envelope Detector 3 IF Input 4 Level Detector 5 Error Amplifier 6 VCC Q Detector Phase Detector Osc.
Feedback Osc.
Input Ground Stereo Lamp Pilot Detector Input 20 19 18 17 51pF 16 47µF + 430 3.
3k 0.
01 15 14 + 0.
47 0.
0033 Audio Outputs Auto Monaural 7 Left Output 8 Right Output 100k 9 Forced Monaural Pilot Filter Input Co–Channel Input 220k 13 + 4.
7k 56k 0.
47 910 12 1.
5k + 1.
5k 10µF + 2.
2µF 10 Lock + 2.
2µF AGC’d Q 11 Output 430 + 4.
7µF *muRata Ceramic Resonator – CSA3.
60MGF101 LED Stereo Indicator 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.
MOTOROLA ANALOG IC DEVICE DATA ...


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