Sacher Lasertechnik LB2001 - Frequency Splitter

Operation Manual LB2001 Sacher Lasertechnik
GmbH
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Sacher Lasertechnik, LLC
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Page 29
Version:
Preliminary 2011-01-01
5.6. Frequency Splitter
DT1 and PT1 Filter should act as frequency splitter.
High frequency response of the error amplifier should be directed to the HP Output.
Low Frequency should go to the summing amplifier and then to the LP Output.
The following graph shows both filters in one picture as good a illustration of the frequency
split.
10 100 1 10
3
× 1 10
4
×
40−
30−
20−
10−
0
10
20 log KDT1 63 1000, f, ( )
( )
⋅
20 log KPT1 1 63, 100, f, ( )
( )
⋅
f