9-9 Spectrum Menu Chapter 9 — Interference Analyzer, Option 25
9-18 MS20xxA VNA Master UG 10580-00166 Rev. C
keypad, the directional arrow keys or the rotary knob to enter the integration
bandwidth.
Span
Sets the channel span for channel power measurement. Use the keypad, the
directional arrow keys or the rotary knob to enter the channel span.
Back
Returns to the previous menu.
ACPR
Accesses a menu of Adjacent Channel Power Ratio measurement options:
On/Off
Begins or ends the ACPR measurement.
Main Ch BW
Sets the bandwidth of the main channel for ACPR measurement. Use the keypad,
the directional arrow keys or the rotary knob to enter the a specific frequency.
When using the keypad, select the
GHz, MHz, kHz, or Hz soft key to accept the
frequency input. Changing this value automatically changes the adjacent
channel bandwidth and channel spacing.
Adj Ch BW
Sets the bandwidth of the adjacent channels for ACPR measurement. Use the
keypad, the directional arrow keys or the rotary knob to enter the a specific
frequency. When using the keypad, select the
GHz, MHz, kHz, or Hz soft key to
accept the frequency input.
Ch Spacing
Sets the channel spacing between the main and adjacent channels. Use the
keypad, the directional arrow keys or the rotary knob to enter the a specific
frequency. When using the keypad, select the
GHz, MHz, kHz, or Hz soft key to
accept the frequency input. This value must be greater than or equal to half of
the main channel bandwidth, plus half of the adjacent channel bandwidth.
Back
Returns to the previous menu.
AM/FM Demod
The user can select AM, Narrow Band FM (300 µs de-emphasis), Wide Band FM (50 µs
de-emphasis), Upper Sideband, or Lower Sideband.
On/Off
Turns AM/FM Demodulation on or off.
Demod Type
Provides soft keys to select the type of signal to be demodulated:
10580-00166C.book Page 18 Thursday, February 21, 2008 12:52 PM
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