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Manucturer: Tektronix
Model: PSM3310
PSM3000 Series USB Power Meters (True Average)
|
Characteristic |
PSM3110 |
PSM3120 |
PSM3310 |
PSM3320 |
PSM3510 |
|---|---|---|---|---|---|
|
Input Connector |
3.5 mm, male |
N-type, male |
3.5 mm, male |
N-type, male |
3.5 mm, male |
|
Frequency Range |
10 MHz to 8 GHz |
10 MHz to 18 GHz |
10 MHz to 26.5 GHz |
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|
Dynamic Range |
–55 dBm to +20 dBm |
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|
Video Bandwidth |
100 Hz, typical |
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Total Accuracy*1 |
Total Uncertainty = 2 × √[ (CF/2)2 + (L/2)2 + (N/2)2 + (Z/√2)2+ (Mm/√2)2 + (T/√2)2 ] |
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|
Calibration Factor Uncertainty (CF) |
10 MHz to 1 GHz: 2.5% 1 GHz to 8 GHz: 2.4% |
10 MHz to 1 GHz: 1.8% 1 GHz to 8 GHz: 1.7% |
10 MHz to 1 GHz: 2.5% 1 GHz to 10 GHz: 2.4% 10 GHz to 18 GHz: 2.7% |
10 MHz to 1 GHz: 1.8% 1 GHz to 10 GHz: 1.7% 10 GHz to 18 GHz: 1.9% |
10 MHz to 1 GHz: 2.5% 1 GHz to 10 GHz: 2.4% 10 GHz to 18 GHz: 2.7% 18 GHz to 26.5 GHz: 3.7% |
|
Linearity Uncertainty (L) |
+15 dBm to +20 dBm: 3.0% –15 dBm to +15 dBm: 2.5% –55 dBm to –15 dBm: 2.0% |
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Noise Uncertainty (N) |
5 second integration +10 dBm to +20 dBm: 0.10% –15 dBm to +10 dBm: 0.25% –30 dBm to –15 dBm: 0.10% –40 dBm to –30 dBm: 0.25% –50 dBm to –40 dBm: 1.50% –55 dBm to –50 dBm: 4.50% |
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|
Zero Offset Power*2 (Z) |
[(3.0 nW at 25 °C) + |ΔT| × (0.15 nW / °C)] + 0.01 nW / month |
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|
Match*3 |
1.20:1 VSWR (21 dB Return Loss) |
10 MHz to 10 GHz: 1.20:1 VSWR (21 dB Return Loss) 10 GHz to 18 GHz: 1.29:1 VSWR (18 dB Return Loss) |
10 MHz to 10 GHz: 1.20:1 VSWR (21 dB Return Loss)
10 GHz to 26.5 GHz: 1.29:1 VSWR (18 dB Return Loss) |
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Temperature Uncertainty (T) |
40 °C < T ≤ 50 °C: 2.00% 30 °C < T ≤ 40 °C: 0.75% 20 °C < T ≤ 30 °C: 0.00% 10 °C < T ≤ 20 °C: 0.75% 0 °C < T ≤ 10 °C: 2.00% |
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*1 Total uncertainty includes contributions from Calibration Factor Uncertainty (CF), Linearity Uncertainty (L), Noise Uncertainty (N), Zero Offset Uncertainty (Z), Mismatch Uncertainty, and Temperature Uncertainty (T). All error terms must be converted to percentages for Total Uncertainty (RSS) calculation. Mismatch Uncertainty (Mm) requires knowledge of source match and should be expressed as a percentage using the equation Mm = 100 × [(1 ± Γsource × Γsensor)2 – 1].
*2 Use the following formula to determine Zero Offset Uncertainty as a percentage: Z = (Zero Offset Power / Nominal Power) × 100.
*3Nominal impedance = 50 Ω.
