PI3L720 datasheet(4/13 Pages) ETC2

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Data Sheet

Speciﬁcations

Electrical Speciﬁcations

All speciﬁcations apply over the full instrument operating temperature range unless

otherwise noted, after a 20 minute warm-up interval.

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

Dynamic Range

–55 dBm to +20 dBm

Video Bandwidth

100 Hz, typical

Total Accuracy*1

Total Uncertainty = 2 × √[(CF/2)2 + (L/2)2 +(N/2)2 +(Z/√2)2 + (Mm/√2)2 +(T/√2)2 ]

Calibration Factor

Uncertainty (CF)

10 MHzto1GHz: 2.5%

1GHz to8GHz: 2.4%

10 MHzto1GHz: 1.8%

1GHz to 8 GHz: 1.7%

10 MHz to 1 GHz: 2.5%

1 GHz to 10 GHz: 2.4%

10 GHzto18GHz: 2.7%

10 MHzto1GHz: 1.8%

1 GHz to 10 GHz: 1.7%

10 GHz to 18 GHz: 1.9%

10 MHzto1GHz: 2.5%

1 GHz to 10 GHz: 2.4%

10 GHzto18GHz: 2.7%

18 GHz to 26.5 GHz: 3.7%

Linearity Uncertainty (L)

+15 dBm to +20 dBm: 3.0%

–15dBm to +15dBm: 2.5%

–55 dBm to –15 dBm: 2.0%

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%

Zero Offset Power*2 (Z)

[(3.0 nW at 25 °C) + |ΔT| × (0.15 nW / °C)] + 0.01 nW / month

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 GHzto26.5GHz:

1.29:1 VSWR (18 dB

Return Loss)

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%

*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.

*3 Nominal impedance = 50 Ω.

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