1 -4.
SPEC I F ICAT I ONS , MODEL 452
&
452-01
FUNCTI ONS
Each Channe l :
Two Channe ls connected i n series:
Ide nti cal cutoff frequenci es
Ide ntical cutoff frequencies
One channe l High Pass,
one channe l Low Pass
Two channels connected i n para l l e l :
Low Pass ( D C Coupl ed) with 2 4 dB/oct
rol i oH
High Pass with 24 dB/oct rol l off
Low Pass with 48 dB /oct rol l off
High Pass with 48 dB/oct rol i oH
Band Pass with 24 dB/oct rol loffs
Band Reie ct: Broadband with 24 dB/oct
rol l off, or Sharp Notch Response
CUTOFF FREQU E N CY RA N G E
&
RESOLU T I O N
Frequency Settings:
Frequency Range:
With Option -01
Three 1 1 - position switches (0, 1 , 2 , 3 ,
4, 5, 6 , 7, 8 , 9, 1 0) and a four-position
(xl 0, xl 00, xl K , x l 0K) multi p l ier switch .
Option -01 adds a fifth position (x 1 ) to
the multiplier switch.
Multi p l ier
xl
xl 0
xl 00
x l K
x l 0K
Frequen cy (Hz)
0 . 01 -1 1 . 1
0 . 1 -1 1 1
l -l . l l K
1 0-1 1 . 1 K
1 00-1 1 1 K
Reso l ution (Hz)
0 . 01
0 . 1
1
1 0
1 00
FLAT AMPLITUDE ( B UTTERW ORTH) RESPON S E
Passband Gain:
Low Pass: 0 dB/20 dB , ± 0 . 25 dB .
High Pass: 0 dB/20 d B , ± 0 . 25 dB,
(±0 . 5 dB in x 1 0 K Multipl ier posi tion);
- 3dB at approximate ly 2 MHz .
Band Pass: Depends an separation of cutoff
freque ncies . I f separation is more than two
octaves, the Low Pass & High Pass specifi cations
app l y . If Low Pass
&
H i g h Pass cutoffs are
identi cal , an insertion l oss of approx . 6 dB is
produced; the 3 dB bandwidth extends from
08 Ie
to
1.25 Ie
and is equal to
045 Ie
Band Reject
&
Sharp Notch An insertion loss
of approxima tely
6
oB
IS
produced
1 -3
Summary of Contents for 452
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