Specifications
PERFORMANCE
TESTS
1-8. TEST SIGNAL LEVEL ACCURACY TEST
This test verifies that the
HP
4285A test signal level accuracy is within
±[(8+O.4xfm)% of reading
+ 1 mY]. (fm:test frequency [MHz]) The accuracy
is
specified for
an
ambient temperature range of
23
0 C ±5 0
C.
NOTE
The Test Signal Level Monitor Accuracy Test, described in paragraph 1-7,
must
be
successfully completed before performing this test, because the
test
signal level accuracy
is
measured by the Test Signal Level Monitor.
HP
4285A
D~
DOD
DODD
Ifl
B
MDDD
lhJ
o
00000
o 0
DODD
0
o
00000
o
OPEN
Termination
Figure 1-7. Test Signal Level Accuracy Test Setup
EQUIPMENT:
OPEN
Termination
HP
42090A
PROCEDURE:
1.
Perform a
SYSTEM
RESET
as
described on page 1-4.
2.
Press the MEAS SETUP MENU key and the 'CORRECTION' softkey to display the
CORRECTION page.
3.
Move the cursor to the CABLE field, and press the
'0
m' softkey to set the cable
length
to 0 m.
4.
Press the DISPLAY FORMAT MENU key to display the
MEAS
DISPLAY page.
5.
Connect the
OPEN
Termination to the
HP
4285A's UNKNOWN terminals.
6.
Move the cursor to the FREQ field and set the test frequency to 100 kHz.
1-11