q67000-a5137 ETC-unknow, q67000-a5137 Datasheet

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q67000-a5137

Manufacturer Part Number
q67000-a5137
Description
Fm-sound With Scart Switch Volume Control
Manufacturer
ETC-unknow
Datasheet
FM-Sound IF with SCART Switch
and Volume Control
Features
Type
TBA 121-5
Functional Description
FM-IF amplifier, consisting in a limiter amplifier with FM demodulator. The AF section contains a
SCART-record/playback switch as well as AF output with volume control. The control of the volume
is controlled via an analog control input, and the SCART switch is controlled via a switch input.
Application
Application of the IC is intended in mono TV sets.
Circuit Description
In its FM section, the component contains an eight stage, symmetrical limiter amplifier with
subsequent coincidence demodulator. The AF section contains an analog switch for the SCART-
recording / playback function as well as an analog volume control with AF output.
Semiconductor Group
Outstanding limiting qualities
Few external components
Integrated de-emphasis resistor
Low harmonic distortion factor
Ordering Code
Q67000-A5137
91
Package
P-DIP-16
P-DIP-16
TBA 121-5
Bipolar IC
06.94

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q67000-a5137 Summary of contents

Page 1

... In its FM section, the component contains an eight stage, symmetrical limiter amplifier with subsequent coincidence demodulator. The AF section contains an analog switch for the SCART- recording / playback function as well as an analog volume control with AF output. Semiconductor Group Ordering Code Q67000-A5137 91 TBA 121-5 Bipolar IC P-DIP-16 ...

Page 2

Pin Functions Pin No. Function 1 Ground 2 Limiter amplifier operating point feedback (RF decoupling of IF amplifier with appropriate capacitors is required!) 3 Limiter amplifier operating point feedback and low end (RF decoupling of IF amplifier with appropriate capacitors ...

Page 3

Expanded Block Diagram, Part 1 Semiconductor Group 93 TBA 121-5 ...

Page 4

Expanded Block Diagram, Part 2 Semiconductor Group 94 TBA 121-5 ...

Page 5

Block Diagram Semiconductor Group 95 TBA 121-5 ...

Page 6

Absolute Maximum Ratings ˚C A Parameter Supply voltage IF-input voltage DC voltage DC voltage DC voltage DC voltage DC voltage DC voltage DC voltage DC voltage DC voltage DC voltage DC current DC current DC ...

Page 7

Characteristics ˚ 10.5 to 15.5 V; refer to test circuit A S Parameter Current consumption Input voltage for limiting response ( V = – SCART-output voltage AF-output voltage ...

Page 8

Characteristics (cont’ ˚ 10.5 to 15.5 V; refer to test circuit A S Parameter Symbol Design Notes R Input resistance Output resistance R R Output resistance Input resistance R Z Input impedance Residual ...

Page 9

Test Circuit Semiconductor Group 99 TBA 121-5 ...

Page 10

Application Circuit Semiconductor Group Volume 100 TBA 121-5 ...

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