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

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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 ...

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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 ...

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

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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 ...

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

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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 ...

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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 ...

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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 ...

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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; ...

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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 ...

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

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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 ...

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

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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 ...

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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 ...

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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 ...

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

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

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

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

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

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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 ...