HDTV FILTERS

Chrominance Filters

	Pre-A/D	Post-D/A
	NHF-9182	NHF-9182S
Zo Impedance	75 ohm	75 ohm
Passband , Fv	15 MHz	15 MHz
Passband ripple	< 0.3 dB	< 0.3 dB
Start of Stop Band , Fs (Fs=Fv x 1.475 )	22.125 MHz
Stopband Att. to 100 MHz approk	> 40 dB	per 9182
		with sin x / x
		correction
Att. at 18.56 MHz	> 6 dB
Att. at 27.125 MHz	>45 dB
Passband Group Delay ripple	< 5 nS	< 7 nS
Passband Group Delay control to	13.5 MHz	13.5 MHz
Sin x / x correction	-	Yes
Sampling rate	-	37.12 MHz
Flat loss at 100 KHz	2 dB max.	4.5 dB max.
Typical Group Delay	130 nS ± 5 nS	130 nS ± 5 nS