AH1157 - Faraday Technology

AH1157
GROUP DELAY CORRECTOR NETWORK
The AH1157 is an active group delay network which produces a group delay curve with a lift of
+170 ns at 4.43 MHz with respect to the delay at 200 kHz. The addition of capacitance (externally)
across pins 11 and 12 of the module brings the +170 ns (delay) point down in frequency - typically
110 pF across the pins produces +170 ns at 3.58 MHz wrt delay at 200 kHz. High input and low
output impedance simplify interfacing the module to the rest of the system.
Specification:
Input impedance
2.0 MΩ (typical)
Output impedance
< 1Ω (op-amp driver output)
Power supply
+ 1.5V to + 5V (absolute max + 6V)
Typical current
+ 15 mA per rail at + 5V supply
Group delay adjustment range wrt 200 kHz
+170 ns at 4.43 MHz
Amplitude ripple
0.2 dB to 5.0 MHz
to
+170 ns at 3.58 MHz
(no external capacitor)
0.35 dB to 5.0 MHz (110 pF external capacitor)
Package
DR00062A
© Faraday Technology. As part of continual product improvement the specifications, details and dimensions shown in this publication are subject to change without notice
FARA086.DOC
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Jun-99(A)
PACKAGE DETAIL
Faraday Technology Ltd.
Croft Road Industrial Estate,
Newcastle, Staffordshire
ST5 0QZ. England.
FARA086.DOC
Tel:
Fax:
Email:
Web site:
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+ 44 (0)1782 661501
+ 44 (0)1782 630101
sales@faradaytech.co.uk
http://www.faradaytech.co.uk
Jun-99(A)