TDA6050-5 Siemens Semiconductor, TDA6050-5 Datasheet

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TDA6050-5

Manufacturer Part Number
TDA6050-5
Description
Video IF with FPLL/ MAC State
Manufacturer
Siemens Semiconductor
Datasheet

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Video IF with FPLL,
MAC State
Type
TDA 6050-5
Circuit Description
The IF circuit consists of a four-stage capacitively coupled and symmetrically designed controlled
amplifier and a real synchronous demodulator with a FPLL-carrier regeneration. Two IF inputs can
be selected for applications with different SAWs. The main performance of the device is the very low
differential phase DP and gain DG combined with an excellent intermodulation ratio. The positive
video output is used to derive the IF and tuner control voltage. The AGC threshold is set by means
of a potentiometer. Dependent on the modulation polarity the video signal and the AGC are
switched over. MAC state can be selected by an additional signal.
Application
Multistandard TV/VTR and cable converters with mono or stereo applications.
Semiconductor Group
Features
Active multistandard video IF
with FPLL demodulator
12-MHz bandwidth
MAC state
Ordering Code
Q67000-A5123
63
Package
P-DIP-20
P-DIP-20
TDA 6050-5
Bipolar IC
06.94

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TDA6050-5 Summary of contents

Page 1

Video IF with FPLL, MAC State Features Active multistandard video IF with FPLL demodulator 12-MHz bandwidth MAC state Type TDA 6050-5 Circuit Description The IF circuit consists of a four-stage capacitively coupled and symmetrically designed controlled amplifier and a real ...

Page 2

Pin Functions Pin No. Function 1 IF input input switch 4 Tuner AGC output 5 Tuner AGC threshold 6 Main AGC-time constant 7 Mean value AGC-time constant 8 Positive/negative modulation switch 9 N.C. 10 ...

Page 3

Block Diagram Semiconductor Group 65 TDA 6050-5 ...

Page 4

Absolute Maximum Ratings ˚C A Parameter Supply voltage Junction temperature Storage temperature Thermal resistance (system-air) Operating Range Supply voltage Supply voltage delayed tuner AGC IF-frequency range Ambient temperature during operation Semiconductor Group Symbol Limit Values ...

Page 5

DC Characteristics ˚ Parameter Symbol I Total current – 17 consumption input switch open ...

Page 6

DC-Characteristics (cont’d) Parameter Symbol Tuner AGC threshold Tuner AGC current – max – 4 FPLL VCO-tank circuit 10 V Loop reference 14 Video Output ...

Page 7

AC Characteristics ˚ Parameter Symbol V Min. IF-input voltage 1-2 (min. AGC) V Max. IF-input voltage 1-2 (max. AGC) IF-control range V V Video output 15 V Changes via ...

Page 8

AC Characteristics (cont’d) Parameter Symbol Design Notes R IF-input resistance symmetrical C IF-input capacitance symmetrical VCO voltage V R Video output resistance Video noise voltage ratio S B Video bandwidth Differential gain DG Differential phase DP a Intermodulation ratio f ...

Page 9

Test Circuit Semiconductor Group 71 TDA 6050-5 ...

Page 10

Application Circuit Video Semiconductor Group 72 TDA 6050-5 ...

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