Table
2-20.
Risetime
and
F
alltime
V
alues
CW
F
requency
Risetime F
alltime
Lev
el
Accuracy
23
GHz
28
GHz
35
GHz
45
GHz
Procedure
>
20
to
26.5
GHz.
25.
Connect the
equipment
as sho
wn in
Figure
2-20
using
the
HP
11970K
Mixer.
26.
On
the
syn
thesizer,
press:
4
CW
5
4
23
5
4
GHz
5
4
PO
WER
LEVEL
5
4
0
5
4
dBm
5
4
ALC
5
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
Leveling
Point
Intrnl
(asterisk
on)
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
N
NN
N
N
N
N
N
N
Leveling
Mode
Search
(asterisk
on)
27.
Set
the
micro
w
a
v
e
amplier
output
p
o
wer
level
to
+16
dBm.
28.
On
the
sp
ectrum
analyzer,
select
external
mixer
and
set
the
frequency
range
for the
mixer. Then
set:
Center
Frequency: 23
GHz
Frequency
Span:
0
Hz
29.
Rep
eat
steps
5
through
10
recording
the
risetime
and
falltime
values
in
Table
2-20
.
F
or
HP
83630A
only
,
record
the
w
orst
case
risetime
and
w
orst
case
falltime
v
alues from
Table
2-19 and
T
able
2-20
on
the
test
record.
Procedure
>
26.5
to
40
GHz.
30. Replace the HP 11970K Mixer with the HP 11970A Mixer.
31. Rep eat steps 5 through 10 at syn
thesizer
and sp ectrum analyzer CW
frequencies of 30 and 35 GHz recording the risetime and falltime v
alues in
Table 2-20 . F
or HP 83640A only
, record the w
orst case
risetime and w
orst
case falltime v
alues
from Table 2-19 and T
able 2-20 on the test record.
2-84 Performance Tests
Pulse Performance (Alternate)
HP 8360