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Table 12-4. Sweep + Tune Multiplier Values
Nt
Center
A14J15
Pin 3
U416A
U416B
U416C
Gain*
Frequency
P
dc)
1
5
GHz
-1.33 Open Closed Closed x -0.208
2
10 GHz -2.58 Open Closed Open x -0.417
* Measured from A14J15 pin 1 to A14J15 pin 3.
t
N is the harmonic mixing mode.
10. Move the WR PROT/WR
ENA
jumper on the A2 Controller assembly to the WR ENA
position.
11. Set the HP 85623 to the following settings:
Center frequency
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...5 GHz
Span
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . OHz
1‘2.
On the HP 85623, press [CAL],
NORE
f
OF
2, SERVICE CAL DATA,
PIBISFL
ADJ
, and
PBBZL
OFFSET .
13. Connect a DVM to A14J16 pin 13.
14. Set the DAC to values from 0 to 255 to yield DVM readings from 0 V to -10 V
respectively.
15. Move the jumper on A14J14 from the NORM to the OPT position.
16. Connect the DVM to A14J16 pin 1.
17. Press PEESEL SLOPE.
18. Set the DAC to values from 0 to 255 to yield DVM readings from 0 V to
+lO
V
respectively.
19. Move the jumper on A14J14 from the OPT to the NORM position.
20.
On the HP 85623, press (CAL) and
IUULIGN
LO
&
IF.
21. Connect the DVM to A14J16 pin 3.
22. Change the center frequency in 1 GHz steps and confirm that the voltage changes by
266 mV/GHz.
23. Move the WR PROT/WR
ENA
jumper on the A2 Controller assembly to the WR PROT
position.
RF Section 12-15