Function
Function
1
1.
FREQUENCY
2.
AMPLITUDE
3.
FM
AM
4M
The RF output frequency range is
250
kHz to 1000 MHz. When
making frequency changes, the instrument does not turn
off
the RF
output.
Frequency switching typically takes less than
120
ms. Worst case
conditions occur for changes which cross the instrument’s two
frequency band edges
(249
MHz and
501
MHz).
The RF output amplitude range is -136 dBm to
+
10 dBm with
over-range to
+
13 dBm. When making amplitude changes, the
instrument does not turn
off
the RF output. The electronic attenuator
provides rapid amplitude changes. The period of any over- or
under-ranging that may occur during level transitions is typically less
than 30 ms.
Press
IFM_)
to set the peak deviation for frequency modulation. Then
use the data entry keys to enter the desired value of deviation. The
values allowed depend on the RF frequency selected. See Chapter
4,
“Specifications” for peak deviation specifications.
Press
IAM)
to set the amplitude modulation range. Then use the data
entry keys to set the desired value of range. Values from
0
through
100% are allowed.
Press
@KJ
to set the peak deviation for phase modulation. Then use
the data entry keys to enter the desired value of deviation. The
values allowed depend on the RF frequency selected. See Chapter
4,
“Specifications” for peak deviation specifications.
lb.4
Operation Reference
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