+10V
0.1
-10V
0.1
+5V
0.1
4
SIGNAL IN
FROM
NETWORK
ANALYSER
*22
1
NON-POLAR
2
6
1
0.1
D.U.T.
8
7
3
10k
**R
COMP
-5V
4
CLC110
5
8
OUTPUT TO
NETWORK
ANALYSER
5
75
10n
All resistors in ohms,
all capacitors in microfarads
unless otherwise stated.
**C
COMP
C
LOAD
0.1
NOTES:
This circuit can be used for Frequency Response, Delay and Differential Gain and Phase measurements.
* This input capacitor must be shorted out when performing Differential Gain and Phase tests.
** RCOMP and CCOMP are only used on GB4550.
Fig. 2 Test Circuit
+10V
0.1
-10V
0.1
GX4314
XPOINT
VIDEO OUT 1
4 2
0.1 to 22
1
NON-POLAR
6
GX4314
XPOINT
8
7
GX4314
XPOINT
VIDEO OUT 2
VIDEO
IN
GB4550
GB4550A
5
3
*R
COMP
VIDEO OUT 3
All resistors in ohms,
all capacitors in microfarads
unless otherwise stated.
**
10n
*C
COMP
C
LOAD
GX4314
XPOINT
VIDEO OUT 4
NOTES:
In most applications R
COMP
and C
COMP
will not be needed since the bandwidth depends on the bus capacitance.
In general, the maximum occurs when C
LOAD
is between 82 pF and 100 pF.
They are used to control the roll-off for higher load conditions.
*
Not used on GB4550A.
**
The value of this capacitor should be proportional to the input capacitor used.
The value shown is for a 22
µF
input capacitor.
Fig. 3 Typical Application Circuit
520 - 34 - 4
4
GENNUM [ GENNUM CORPORATION ]
