Datasheet > FP443B

FP443B

更新时间： 2024-11-25 06:59:55

品牌	Logo	应用领域
智原科技 - FARADAY		/
页数	文件大小	规格书
2页	83K
描述
GROUP DELAY PRE-CORRECTION

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FP443B 数据手册

GROUP DELAY PRE-CORRECTION

The specifications for a number of television systems state that the transmitted signal must be pre-

corrected in terms of group delay to allow for the distortion produced by the IF filters in television

receivers.

CCIR Rep.624 recommends three curves which apply variously to the following systems: B/PAL,

G/PAL, M/PAL and M/NTSC.

The response of the three networks offered correspond to the three recommended curves in terms of

group delay and are equalised to have an amplitude ripple of less than 0.2 dB over the video band.

They are supplied in 40 pin encapsulated modules which occupy a board area of less than 11 sq. cm.

FP443A

FP443B

FP358C

Group Delay Pre-correction

Curve

B/PAL

G/PAL-A

B/PAL

G/PAL-B

M/PAL

M/NTSC

Insertion Loss at 100 kHz

End Of Passband

Passband Amplitude Ripple

Impedance

< 1.5 dB

5.5 MHz

< 0.2 dB

75 ohms

0°C to 70°C

< 1.5 dB

5.5 MHz

< 0.2 dB

75 ohms

0°C to 70°C

< 1.5 dB

5.5 MHz

< 0.2 dB

75 ohms

0°C to 70°C

Temperature Range

Aqueous Washable

Package

DR00020B

FARA161d Page 1 of 2 Dec-99(A)

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