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参数资料
| 型号： | TDA5667-5 |
| 厂商： | INFINEON TECHNOLOGIES AG |
| 元件分类： | 消费家电 |
| 英文描述： | SPECIALTY CONSUMER CIRCUIT, PDIP18 |
| 封装： | PLASTIC, DIP-18 |
| 文件页数： | 6/22页 |
| 文件大小： | 713K |
| 代理商： | TDA5667-5 |
Semiconductor Group
14
TDA 5667-5
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 at AM is adjusted to video carrier; filter: 300 Hz...20 kHz;
detector: (P+P)/2; Wave analyzer at video signal level (16 kHz) adjusted and
resultant level as reference
av defined.
1) Measurement of audio interference product ratio in video while the audio carrier FM modulated:
AF-signal is connected to FM-audio input; video signal is present at video input; Modulation
measurement device set at AM; filter: 300 Hz...20 kHz; detector: (P+P)/2; the automatic RF-level
position of the measurement device is switched off; wave analyzer at video signal level 1 kHz or
2 kHz or 3 kHz adjusted and resultant level is set to
aA. The audio noise ratio in video results
from aA/V = aA-aV (dB).
2) Measurement of signal-to-noise ratio in video without FM-modulation of audio carrier: AF-signals
are switched off; video signal is switched on; modulation measurement device set at AM; filter:
300 Hz...3 kHz; detector: RMS x
; Wave analyzer at video signal level (16 kHz) detuned; read
out in dB to reference level of calibration is
aN/V.
3) The noise limit of the measurement device is approx. 85 dB.
2
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TDA5670-5X | 制造商:INFINEON 制造商全称:Infineon Technologies AG 功能描述:Video Modulator for FM/AM-Audio with PLL-Output |
| TDA5702 | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-BIT DIGITAL-TO-ANALOG CONVERTER |
| TDA5702N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:8-BIT DIGITAL-TO-ANALOG CONVERTER |
| TDA5703 | 制造商:-- 功能描述:ANALOG-TO-DIGITAL CONVERTER, 8-BIT, GENERAL-PURPOSE, BINARY-OUTPUT ADC, PDIP24 |
| TDA5703N | 制造商:未知厂家 制造商全称:未知厂家 功能描述:ANALOG-TO-DIGITAL CONVERTERR |
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