tda5670-5x ETC-unknow, tda5670-5x Datasheet

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tda5670-5x

Manufacturer Part Number
tda5670-5x
Description
Video Modulator Fm/am-audio With Pll-output
Manufacturer
ETC-unknow
Datasheet

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Part Number:
TDA5670-5X
Manufacturer:
INFINEON
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TDA5670-5X
Manufacturer:
SIEMENS
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Video Modulator for
FM/AM-Audio with
PLL-Output
Preliminary Data
Features
Type
TDA 5670-5X
TDA 5670-5X
Functional Description and Application
The monolitic integrated circuit TDA 5670-5X is especially suitable as a modulator for the
48- to 860-MHz frequency range.
Video recorders, cable converters, TV-converter networks, demodulators, video
generators, video security systems, amateur TV-applications and personal computers.
Semiconductor Group
FM- and AM-audio modulator
Symmetrical RF-oscillator output for PLL-control
Sync level clamping of video input signal
Controlling of peak white value
Continuous adjustment of modulation depth for
positive or negative values
Symmetrical mixer output with separate ground area
Symmetrical oscillator with separate RF-ground
Low spurious radiation
High stability of the RF-oscillator frequency
High stability of the audio oscillator
Internal reference voltage
12 V supply voltage
Ordering Code
Q67000-A5167
Q67006-A5167
1
Package
P-DSO-20-1 (SMD)
P-DSO-20-1 Tape & Reel
P-DSO-20 -1
TDA 5670-5X
Bipolar IC
04.95

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tda5670-5x Summary of contents

Page 1

Video Modulator for FM/AM-Audio with PLL-Output Preliminary Data Features FM- and AM-audio modulator Symmetrical RF-oscillator output for PLL-control Sync level clamping of video input signal Controlling of peak white value Continuous adjustment of modulation depth for positive or negative values ...

Page 2

Circuit Description Oscillator The RF-oscillator is available at pins 3-7. The oscillator operates as a symmetrical Colpitts circuit. The oscillator chip ground, pin 5, should be connected to ground at the resonance circuit shielding point. An external oscillator can be ...

Page 3

Pin Configuration (top view) Semiconductor Group P-DSO-20-1 3 TDA 5670-5X ...

Page 4

Pin Definitions and Functions Pin No. Symbol 1 FM-Audio 2 V REF 3 OSC-Input 1 4 OSC-Out 1 5 OSC-Ground 6 OSC-Out 2 7 OSC-Input N.C. 10 PLL-Out 1 11 PLL-Out 2 12 Video 13 ...

Page 5

Block Diagram Semiconductor Group 5 TDA 5670-5X ...

Page 6

Absolute Maximum Ratings Parameter Symbol Supply voltage pin 8 V Current from pin 2 –I Voltage at pin 1 V Voltage at pin 2 V Voltage at pin 12 V Capacitance at ...

Page 7

AC/DC-Characteristics Parameter Symbol Source Current consumption I 8 Reference voltage V 2 Oscillator Oscillator frequency f OSC range Oscillator drift f OSC f OSC f OSC Oscillator level 10;11 ...

Page 8

AC/DC-Characteristics (cont’ Parameter Symbol Unmodulated video and audio carrier, measured with the spectrum analyzer as difference between video carrier signal level and sideband signal level; loaded Q factor Q ...

Page 9

AC/DC-Characteristics (cont’ Parameter Symbol Modulation depth m D/N Stability of mod depth Differential gain dif Differential phase dif Amplitude response of video signal; ...

Page 10

AC/DC-Characteristics (cont’ Parameter Symbol Switch-on, warm-up drift of oscillator frequency the drift is only based on self-heating of component f A/OSC Audio signal f A/OSC frequency ...

Page 11

Test Circuit 1 Test and Measurement Circuit for AM- and FM-Audio Carrier and Negative Video Modulation Semiconductor Group 11 TDA 5670-5X ...

Page 12

Test Circuit 2 Description of the Measurement Configuration to Measure the 1.07-MHz Moire CC-level lies below the activation point and has been set to provide a ratio with respect to the video carrier. = 623.25 MHz f ...

Page 13

Test Circuit 3 Description of the Measurement Configuration to Measure the Residual Carrier Suppression Semiconductor Group 13 TDA 5670-5X ...

Page 14

Test Circuit 4 Description of the Measurement Configuration to Measure the Audio and/or Noise in Video during FM- and AM-Modulation of the Audio Carrier Calibration: AF-signals are switched off, video signal is present at video input, modulation measurement device set ...

Page 15

Test Circuit 5 Description of the Measurement Configuration to Measure the Video and/or Noise in Audio Calibration: AF-signal of connected to the audio input, and the demodulated AF-reference level at the audio measurement device is defined as 0 dB. No ...

Page 16

Test Circuit 6 Description of the Measurement Configuration to Measure the Modulation Depth for Positive and Negative Modulation Calibration: A zero reference signal with the TV-measuring receiver is given to the video signal. A video signal with Measuring: 1) Modulation ...

Page 17

Test Circuit 7 Description of the Measurement Configuration to Measure the Differential Gain and Phase Semiconductor Group 17 TDA 5670-5X ...

Page 18

Test Circuit 8 Description of the Measurement Configuration to Measure the Video Amplitude Response Semiconductor Group 18 TDA 5670-5X ...

Page 19

Test Circuit 9 Description of the Measurement Configuration to Measure the Harmonic Distorsion Factor and AM-Input Voltag Semiconductor Group 19 TDA 5670-5X ...

Page 20

Application Circuit Semiconductor Group 20 TDA 5670-5X ...

Page 21

Diagram Function of Video Signal Connection a) Demodulated RF-output video signal 12rms Semiconductor Group = 15/17rms 12rms mod 21 TDA 5670- kHz ...

Page 22

Plastic Package, P-DSO-20-1 (SMD) (Plastic Dual Small Outline Package) Sorts of Packing Package outlines for tubes, trays etc. are contained in our Data Book “Package Information” SMD = Surface Mounted Device Semiconductor Group 22 TDA 5670-5X Dimensions in mm ...

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