参数资料
型号: TDA5666-5
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: 7/22页
文件大小: 660K
代理商: TDA5666-5
TDA 5666-5
Semiconductor Group
15
Test Circuit 5
Description of the Measurement Configuration to Measure the Video and/or Noise
in Audio
Calibration:
AF-signal of f = 1 kHz, corresponding with a nominal deviation of 30 kHz, is
connected to the audio input, and the demodulated AF-reference level at the audio
measurement device is defined as 0 dB. No video signal is present.
Measuring:
1) The AF-signal is switched off and the FuBK-video signal is connected to the video
input with Vvid = 1 Vpp. The audio level in relation to the AF-reference calibration
level is measured as ratio aV/A.
2) AF- and video signal are switched off. The noise ratio in relation to the AF-
reference calibration level is measured as signal-to-noise ratio in the audio signal
aN/A.
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