RF Subsystem Validation

Production Test — Board Rev A

Engineer Abduznik
UUT Signal Analyzer Module
Serial SN-2024-001
Revision A
Date 2026-06-27
Batch LOT-88B
Test Station TS-02
1. Power Supply Checks
DC rail validation at nominal load
1.1 Voltage Rails
Test No. Name Value Unit Expected Pass / Fail Notes
1.1.1 3.3V Rail 3.31 V 3.2 – 3.4 V PASS Nominal
1.1.2 5V Rail 5.02 V 4.9 – 5.1 V PASS
1.1.3 12V Rail 11.0 V 11.5 – 12.5 V FAIL Under spec — check regulator
1.1.4 -5V Rail -4.98 V -5.1 – -4.9 V PASS
1.2 Current Draw
Test No. Name Value Unit Expected Pass / Fail Notes
1.2.1 3.3V Current 0.42 A < 0.6 A PASS
1.2.2 5V Current 0.88 A < 1.0 A PASS
1.2.3 12V Current 1.35 A < 1.2 A FAIL Exceeds limit
2. RF Performance
Measured at 25 °C ambient, 50 Ω termination
2.1 Frequency Response
Test No. Name Value Unit Expected Pass / Fail Notes
2.1.1 Center Frequency 2401.5 MHz 2400 – 2403 MHz PASS
2.1.2 Bandwidth (-3dB) 82.4 MHz 80 – 90 MHz PASS
2.1.3 Insertion Loss 2.1 dB < 3 dB PASS
2.1.4 Return Loss 18.5 dB >= 15 dB PASS
2.2 Noise & Spurious
Test No. Name Value Unit Expected Pass / Fail Notes
2.2.1 Noise Figure 3.8 dB < 5 dB PASS
2.2.2 Phase Noise @1 kHz -88 dBc/Hz < -85 dBc/Hz PASS
2.2.3 Spurious Level -62 dBc < -60 dBc PASS
2.2.4 Harmonic 2nd -45 dBc < -40 dBc PASS Marginal
3. Environmental
Recorded during test — informational only
3.1 Ambient Conditions
Test No. Name Value Unit Expected Pass / Fail Notes
Temperature 24.3 °C N/A
Humidity 41.0 %RH N/A
3.1.3 Supply Temp 38.5 °C < 50 °C PASS PSU heatsink
Summary
18 Total
14 Passed
2 Failed
77.8% Pass Rate