User`s guide

Chapter 1 1-49
System Verification and Performance Tests
Performance Tests
4. Convert the measuredlinear magnitude mean value to logmagnitude
using the following equation:
Power (dBm) = 20 x [log
10
(linear magnitude mean value)]
5. Write this calculated value on the performance test record.
Port 1 Noise Floor Level from 3 GHz to 6 GHz
(IF BW = 3 kHz)
1. Press Avg, IF BW, 3, k/m.
2. Press Sweep Setup, TRIGGER MENU, SINGLE.
3. When the analyzer finishes the sweep, notice the mean value.
4. Convert the measuredlinear magnitude mean value to logmagnitude
using the following equation:
Power (dBm) = 20 x [log
10
(linear magnitude mean value)]
5. Write this calculated value on the performance test record.
Port 2A Channel Noise Floor Level from 300 kHz to 3 GHz
(IF BW = 3 kHz)
1. Press Preset.
2. Press Seq, TTL I/O, TTL OUT, TESTSET I/O FWD, 6, x1, I/O REV, 6, x1.
3. Press Avg, IF BW, 3, k/m, Power, –85, x1, Stop, 3, G/n.
4. Press Meas, INPUT PORTS, A, TESTPORT 2, Format, LIN MAG, Scale Ref,
AUTO SCALE
.
5. Press Marker Fctn, MARKER MODE MENU, STATS ON, Sweep Setup,
TRIGGER MENU, SINGLE
.
6. When the analyzer finishes the sweep, notice the mean value that
appears on the analyzer’s display.
7. Convert the measuredlinear magnitude mean value to logmagnitude
using the following equation:
Power (dBm) = 20 x [log
10
(linear magnitude mean value)]