Out-Of-Band Spurious Emission Measurement - Anritsu MS2024A/MS2026A User Manual

4-14 Out-of-Band Spurious Emission Measurement

4-14 Out-of-Band Spurious Emission Measurement
Required Equipment
• MS203xA VNA Master
• Test Port extension cable, Anritsu 15NNF50 - 1.5C
Procedure
1. Using the test port extension cable, connect the signal source to the
MS203xA.
2. Press the
Freq
3. Press the
Span
and upper and lower channel bandwidths.
4. Press the
Amplitude
level to
–20 dBm
5. Press the
Auto Atten
6. Press the
BW
and the video bandwidth to
3 kHz
7. Press the
Marker
underlined number indicates the active marker.
8. Press the
On/Off
marker over one of the spurs.
9. Compare the value of the marker to the specified allowable level of out-of-band spurious
emissions for the corresponding channel transmit frequency.
4-12
key, select the
Center Freq
key. Set the span wide enough to include the primary channel bandwidth
key, then press the
.
soft key set the attenuation to
key and use the
RBW
key and press the
soft key and use the arrow keys, the keypad and the knob to move the
soft key, and enter the center frequency.
Reference Level
On
and soft keys to set the resolution bandwidth to
VBW
.
300 Hz
soft key to select marker 1. The
Marker 1 2 3 4 5 6
MS20xxA VNA Master UG 10580-00166 Rev. C
Chapter 4 — Spectrum Analyzer
RF In
soft key and set the reference
.
test port of the