Avtech AVX-FILT Series, Instructions Manual

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BASIC USAGE
The AVX-FILT models are rise time filters intended for use with the AVR-EBF6-B
forward recovery test system. Please see the AVR-EBF6-B manual for full details.
The basic test arrangement for the AVR-EBF6-B and AVX-FILT filter is shown in the
figure below:
The AVR-EBF6-B mainframe connects to the rise time filter using a 60 cm length of
SMA-to-SMA coaxial cable.
The output of the filter connects to the test jig using another 60 cm length of SMA-to-
SMA coaxial cable.
5
AVTECH
AVR-EBF6-B
MAINFRAME
SYNC
CONNECTOR
CONTROL
TEST JIG
OSCILLOSCOPE
(BW > 400 MHz)
TRIG
0V
VOLTAGE PULSE INPUT (V
IN
)
DIODE VOLTAGE (V
DUT
)
IN
DUT
OUT
R
B
,
450Ω
R
C
,
50Ω
V
OUT
= V
DUT
/ 10
+50V max.
R
S2
, 50Ω
V
DUT
V
FM
0V
0.7 V typ.
t
FR
R
S1
, 50Ω
Up to
+100V
+
-
8, 10, 12, or 20 ns
(10%-90%)
AVX-FILT
rise time filter
60 cm SMA-to-BNC
coaxial cables
(supplied)
60 cm
SMA-to-SMA
coaxial cable
(supplied)
60 cm
SMA-to-SMA
coaxial cable
(supplied)
Coaxial cable
(not supplied)
DB-9 or DB-25
cable (supplied)
MON
R
M
,
450Ω
R
N
,
50Ω