Amplitude Accuracy - Anritsu S412E Maintenance Manual

3-8 Amplitude Accuracy

3-8 Amplitude Accuracy
The following tests are used to verify the amplitude accuracy of the spectrum analyzer in the S412E.
The tests consist of:
• "50 MHz Amplitude Accuracy Verification" on page 3-13
• "Amplitude Accuracy Across Frequency Verification" on page 3-15
Equipment Required
• Synthesized Signal Generator, Anritsu Model MG3692x
• K(m) to N(f) Adapter, Anritsu Model 34RKNF50
• 10 MHz Reference Standard
• BNC(m) to BNC(m) Coaxial Cable, Anritsu part number 2000-1627-R
• Dual Channel Power Meter, Anritsu Model ML2438A
• High Accuracy Power Sensors (Qty 2), Anritsu Model SC7400
• RF Coaxial Cable, Anritsu Model 15NN50-1.5C
• Power Splitter, Aeroflex/Weinschel Model 1870A
• 10 dB Fixed Attenuator, Aeroflex/Weinschel Model 44-10
• N(m) to N(m) Adapter, Anritsu Model 34NN50A
Setup
10 MHz Reference
R
PLUS R
TESTIME RubiSource T&M
Sine wave Out AUX
1 PPS Sync
Failure
Oscillator Warmup
Oscillator Ready
Power
1 MHz 5 MHz 10 MH 5 MHz 10 MHz
10 MHz
Sine Out
Figure 3-1. Amplitude Accuracy Pretest Setup
3-12
1 PPS OUT
1 PPS IN
MG3692x Synthesized Signal Generator
PN: 10580-00324 Rev. N
Chapter 3 — Spectrum Analyzer Verification
Adapter
10 dB Fixed
Attenuator
SC7400
Sensor A
1870A
Power Splitter
A
B
SC7400
Sensor B
S412E MM