490 Chapter7
Language Reference
HNLOCK Harmonic Number Lock
Parameters
number integer from 1 to 54 (for best results, choose from
harmonic numbers shown in Table 7-1 on page 372).
UP or DN increments of 1.
Preset State
Off
Query Response
Figure 7-136 HNLOCK Query Response
Example
10 OUTPUT 718;"IP;MXRMODE EXT;"
20 INPUT "SELECT THE START FREQUENCY, IN GHZ",Fa
30 INPUT "SELECT THE STOP FREQUENCY, IN GHZ",Fb
40 INPUT "ENTER HARMONIC DESIRED TO SWEEP RANGE",Harm
50 OUTPUT 718;"FA ";Fa;"GHZ;"
60 OUTPUT 718;"FB ";Fb;"GHZ;"
70 OUTPUT 718;"HNLOCK ";Harm;";"
80 END
Table 7-6 Frequency Bands and the Corresponding LO
Harmonic For Unpreselected Mixers
Frequency Range
(GHz)
Mixing
Harmonic
18.00 to 26.50 6−
26.50 to 40.00 8−
33.00 to 50.00 10−
40.00 to 60.00 10−
50.00 to 75.00 14−
60.00 to 90.00 16−
75.00 to 110.00 18−
40.00 to 140.00 24−
110.00 to 170.00 30−
140.00 to 220.00 36−
170.00 to 260.00 44−
220.00 to 325.00 54−
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