Specifications

SECTION 2
OPERATION
2.1 IN TRO DUC TION
The Model 3381, 3382 and 3384 Fil ters are one, two or four chan nel fil ters re spec tively, pro v id ing a tun able fre quency
range of 0.1Hz to 200kHz (0.005Hz with op tion 002).
Each chan nel is selectable low-pass or high-pass, 8-pole with in put gain from 0dB to 50dB, selectable in 10dB steps; and
out put gain from 0dB to 20dB, selectable in 0.1dB steps.
The in put sig nal can be ±10V peak at 0dB gain and has selectable ac or dc cou pling. Mem ory is avail able for stor ing
set-ups of the front panel set tings which can be re called later with a key stroke en try.
Each mode of op er a tion will be ex plained in this sec tion.
2.2 TURN-ON PRO CE DURE
The Model 3380 line volt age range has been pre set for ei ther 115V or 230V, Norm, line volt age. When mak ing any
changes to the line con nec tions, re move the power cord.
To change the Norm/Low line set ting, re move the top cover to ex pose the Norm/Low line switch lo cated near the rear
panel, un der the back shield.
To achieve ac cess to the 120V/240V con nec tions, re move the bot tom cover and change the con nec tions to the de sired
volt age as shown in Fig ure
2.1.
Model 3380 Series Section 2 - Operation
2-1
Fig ure 2.1 Jumper Set tings for 120V/240V Op er a tion
120V
240V
Bot tom View