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Siemens Electronic Components Datasheet

TDA6050-5 Datasheet

Video IF with FPLL/ MAC State

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Video IF with FPLL,
MAC State
Features
q Active multistandard video IF
with FPLL demodulator
q 12-MHz bandwidth
q MAC state
Type
TDA 6050-5
Ordering Code
Q67000-A5123
TDA 6050-5
Bipolar IC
P-DIP-20
Package
P-DIP-20
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
63
06.94



Siemens Electronic Components Datasheet

TDA6050-5 Datasheet

Video IF with FPLL/ MAC State

No Preview Available !

Pin Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
Function
IF input 1a
IF input 1b
IF switch
Tuner AGC output
Tuner AGC threshold
Main AGC-time constant
Mean value AGC-time constant
Positive/negative modulation switch
N.C.
FPLL-VCO (2 × video carrier)
FPLL-VCO (2 × video carrier)
N.C.
FPLL-loop filter
FPLL-loop reference
Video output
MAC-standard switch
+ VS supply voltage
Ground
IF input 2a
IF input 2b
TDA 6050-5
Semiconductor Group
64


Part Number TDA6050-5
Description Video IF with FPLL/ MAC State
Maker Siemens Semiconductor
Total Page 10 Pages
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