Ceyear 4051 Series, User Manual

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8. Specifications and test methods
8.3 Technical Specifications
647
8.3.2 Amplitude accuracy and range
1) Amplitude range
Measuring range: Display average noise level (DANL) to the maximum safety input level
Input attenuator range: 0 ~ 70 dB, stepping by 2 dB
2) Maximum safety input level
Total average power: + 30 dBm (1 W)
3) Display range
Scale type: Logarithm/linear
Logarithm scale 0.1 ~ 20 dB/division with resolution of 0.01 dB
Scale unit: dBm, dBmV, dBμV, dBmA, dBμA, V, W, A
4) Frequency response (10 dB input attenuation, 20 ℃ ~ 30 ℃ )
Withoutpre-amplifier (dB) With pre-amplifier (dB) Frequency range
4051 4051-S Pre-amplifier
Off Pre-amplifier
On
±0.70 ±1.00 ±1.20 ±1.50
3Hz ~ 20MHz
2 ， 3
(nominal)
±0.50 ±1.00 ±1.00 ±1.50 20MHz ~ 2GHz
±0.70 ±1.00 ±1.20 ±1.50 2GHz ~ 3.6GHz
±1.00 ±1.20 ±1.50 ±1.80 3.6GHz ~ 4GHz
±1.50 ±1.50 ±2.00 ±2.50 4GHz ~ 9GHz
±2.00 ±2.00 ±2.50 ±3.00 9GHz ~ 18GHz
±2.50 ±3.00 ±3.00 ±3.50 18GHz~26.5GHz
±3.00 / ±3.50 ±4.00 26.5GHz~40GHz
±3.00 / ±3.50 ±4.00 40GHz ~ 50GHz
±4.00 / / /
50GHz
～
67GHz
Note 2: When the instrument is under AC coupling status or when the PreAmplifier is On, the start frequency
is 10MHz-20MHz.
Note 3: When frequency <1.1GHz, the PhNoise Opt is Off.
5) Total resolute amplitude accuracy ((10 dB input attenuation, 20 ~ 30°C, 1 Hz ≤ RBW ≤ 1 MHz; input
signal -10 ~ -50 dBm; all settings are automatically coupled with random reference level and random
scale)
Technical index Frequency range
±0.24dB 500 MHz (calibration frequency)
± (0.24dB+frequency response) Above any frequency
6) Input voltage standing-wave ratio (VSWR) (10 dB input attenuation)
Technical index Frequency range