Model 950
Tunable Filter Instruments
BLOCK DIAGRAM
GAIN (dB)
INPUT
10dB
0dB
20dB
A-B
A
+
DIFF
AMP
8-POLE TUNABLE
FILTER
OFFSET
NULLED
CORNER
FREQUENCY
TUNING
OFFSET
TYPICAL
ADJUSTMENT
FUNCTION
OUTPUT
AMP
OUT
A
B
TYPICAL
FRONT PANEL
BNC CONNECTOR
ON
TUNEABLE ACTIVE FILTER
INPUT
A
A-B
A
GND
20
GAIN
(dB)
10
0
-
950
50 100
20
10
200
FREQUENCY
500
IN Hz
CORNER
OFFSET
OUT
+
B
R
x100
A
N
G
E
x1
2
1784 Chessie Lane, Ottawa, IL 61350 • Tel: 800/252-7074, 815/434-7800 • FAX: 815/434-8176
e-mail: sales@freqdev.com • Web Address: http://www.freqdev.com