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TDA5667-5 Datasheet, PDF (4/22 Pages) Siemens Semiconductor Group – Video Modulator for FM/AM-Audio
TDA 5667-5
Pin Definitions and Functions
Pin No.
1
2
3
4
5
6
7
8
9
10
11
Symbol
FM-Audio
VREF
OSC-Input 1
OSC-Out 1
OSC-Ground
OSC-Out 2
OSC-Input 2
VS
N.C.
Video
Video-Cap.
12
Modulation
13
Output 2
14
Ground
15
Output 1
16
AM-Audio
17
FM-Audio OSC
18
FM-Audio OSC
Function
AF-input for FM-modulation
Internal reference voltage (7.5 V)
Symmetrical oscillator input
Symmetrical oscillator output
Oscillator ground
Symmetrical oscillator output
Symmetrical oscillator input
Supply voltage (12 V)
Not connected
Video input with clamping
Connection for smoothing capacitor for video control
loop
Switch-over for positive and negative modulation
Symmetrical RF-output
Ground
Symmetrical RF-output
Video to audio carrier ratio adjustment and AF-input for
AM-modulation
FM-audio oscillator; symmetrical inputs for tank circuit
FM-audio oscillator; symmetrical inputs for tank circuit
Semiconductor Group
4