AH855 - Faraday Technology

AH855
FULLY BUFFERED HYBRID PRE/POST PAL FILTER
The AH855 has been designed to filter PAL or full bandwidth RGB signals. The filter can be
employed in either pre A/D or post D/A applications with user selection of the passband shape
thereby simplifying the system inventory and ordering procedure.
Filter Shape
Lowpass
Passband Shape - user selectable (pin2)
Flat or Sinx/x
Sampling Frequency
27 MHz
Gain
- 0.2 dB + 0.2 dB
+5.8 dB + 0.2 dB
End Of Passband
5.75 MHz
Passband Amplitude Ripple
0.25 dB max
Start Of Stopband
21.5 MHz
Stopband Attenuation wrt 5.75 MHz
Group Delay Ripple to 5.75 MHz
40 dB min to 20 MHz
35 dB min to 50 MHz
Flat: 6 ns max
Sinx/x: 10 ns max
Delay Time at 200 kHz
Flat: 28 ns + 2 ns
Typical Current
30 mA (15 mA per rail at + 5 v)
Input Impedance
2 MΩ typical
Package
DR00162A
with pin 6 open
with pin 6 gnd
Sinx/x: 25 ns + 2 ns
© Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice
FARA031.DOC
Page 1 of 2
Jun-99(A)
PACKAGE DETAIL
Faraday Technology Ltd.
Croft Road Industrial Estate,
Newcastle, Staffordshire
ST5 0QZ. England.
FARA031.DOC
Tel:
Fax:
Email:
Web site:
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+ 44 (0)1782 661501
+ 44 (0)1782 630101
[email protected]
http://www.faradaytech.co.uk
Jun-99(A)