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Modei 5344S
Operation and Programming
Description:
This procedure will demonstrate Subharmonic Locking. The actual front panel output frequency will be 15
GHz. To avoid placing any attenuating devices in series with the output, the rear pane! AUX OUT (YTO)
will be used for the locking signal. The Frequency Multiplier will be set to 1 for automatic determination.
Connections:
FM
INPUT
FM
OUTPUT
PROGRAMMING
CONNECTOR
10 MHz
n
SWEEP
TRIGGER
OUT
OUTPUT
8350A
SWEEP
GENERATOR
LOCKED
SIGNAL
Example:
The 5344S will be placed into CW mode. 15 GHz will be selected on the 5344A.
1.
Set MANUAL LOCK and AUTO LOCK off (lamp off). If AUTO LOCK is turned on, the 5344A will
display error code Err 10.
2.
Set the 5344A rear panel Mode switch to the SUB HMNC position.
3.
Set the 5344A Frequency Multiplier to 1. On the 5344A press:
4.
Select CW mode on the 8350A. If the plug-in has a CW filter, turn it OFF.
5.
Using the 8350A DATA ENTRY keys, press:
The 8350A should display 15.000 GHz.
6.
Notice that the counter is not displaying 15 GHz, but the frequency the YTO is at before any
multiplication. If you knew the multiplier value, the counter display would be of some use, but let's
assume the value is unknown.
7.
Using the 5344A Function keys, press and release MODE until the CW annunciator lights. The FI key
will light indicating the 5344A is wating for a CW'frequency value.
8.
Using the 5344A Numeric Entry keys press:
The 5344A should display:
15.000000000 GHz
Figure 3-17. Subharmonic Locking Mode
3-52
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