Checks and Adjustments
5- 14
1705A Spectrum Monitor
h.
Change the leveled sine wave generator Frequency to 5 MHz, Amplitude
Multiplier to X1, and the Amplitude to 3.0 (14 dBm).
i.
CHECK
-- for 1 marker every 5 Divisions,
±
1 Division (adjust
CENTER FREQUENCY, if necessary).
j.
Repeat parts f. through i. with CENTER FREQUENCY at 950 MHz and
1700 MHz.
k.
Remove the leveled sine wave generator and comb generator from the
1705A L--BAND INPUT.
l.
Connect the UHF signal generator output to the 1705A L--BAND
INPUT. See Figure 5--6.
VARIABLE
AUTOTRANSFORMER
L--BAND
INPUT
UHF SINE
WAVE
GENERATOR
1705A
Figure 5-6: Using the UHF Signal Generator to check L- Band Span/Division,
Readout, Gain, and Flatness
m.
Set the UHF signal generator Amplitude to --50 dBm and Frequency to
1000 MHz.
n.
Set the 1705A SPAN/DIV to FULL. Dial the CENTER FREQUENCY
until readout reads 1000 MHz.
o.
CHECK
-- that the marker is intensified.
p.
Set SPAN/DIV to 10 MHz.
q. CHECK
-- that the marker is on screen.
r.
Position the marker under the caret with the CENTER FREQUENCY
control.
Содержание 1705A
Страница 13: ...Service Safety Summary xii 1705A Spectrum Monitor ...
Страница 17: ...Preface xvi 1705A Spectrum Monitor ...
Страница 18: ...Introduction ...
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Страница 38: ...Operating Instructions ...
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Страница 62: ...Installation ...
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Страница 72: ...Theory of Operation ...
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Страница 93: ...Theory of Operation 4 20 1705A Spectrum Monitor ...
Страница 94: ...Checks and Adjustments ...
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Страница 123: ...Checks and Adjustments 5 28 1705A Spectrum Monitor ...
Страница 124: ...Maintenance ...
Страница 125: ...Test Equipment Depot 800 517 8431 99 Washington Street Melrose MA 02176 FAX 781 665 0780 TestEquipmentDepot com ...
Страница 154: ...Options ...
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Страница 158: ...Replaceable Electrical Parts ...
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Страница 189: ...Replaceable Electrical Parts 8 30 1705A Spectrum Monitor ...
Страница 190: ...Diagrams Circuit Board Illustrations ...
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Страница 214: ...Replaceable Mechanical Parts ...
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