Agilent Technologies Agilent 4396B Manual do Utilizador descarregar pdf (Página 12)

Frequency response

2 ±5 °C, aft. = 10 dB, referenced to level at 20 MHz

10 MHz ≤ frequency ≤ 1.8 GHz . . . . . . . . . . . .< ±0.5 dB (±0.3 dB typically)

2 Hz ≤ frequency < 10 MHz . . . . . . . . . . . . . . .< ±1.5 dB (±0.8 dB typically)

For small signal measurement, fidelity is degraded by noise floor according to below formula:

20log

(1 ±10 x 3.5) dB typically

where x is signal to noise floor ratio in dB.

This fidelity error can be reduced by narrower video bandwidth or sweep averaging.

Linear scale

23 ±5 °C, –10 dBm ≥ [ ref level – input att ] ≥ –50 dBm except for gain compression

RBW ≤ 300 kHz . . . . . . . . . . . . . . . . . . . . . . . . . . . .< ±3% of reference level

RBW ≥ 1 MHz . . . . . . . . . . . . . . . . . . . . . . . . . . . .< ±10% of reference level

IF gain switching uncertainty

input att. fixed, referenced to –20 dBm [ ref. level – input acct ] . . .< ±0.3 dB

Input attenuator switching uncertainty

20 dB to 40 dB, referenced to 10 dB . . . . . . . . . . . . . . . . . . . . . . . . .< ±1.0 dB

50 dB to 60 dB, referenced to 10 dB . . . . . . . . . . . . . . . . . . . . . . . . .< ±1.5 dB

RBW switching uncertainty

SPAN < 100 x RBW for RBW ≥10 kHz,

23 ±5 °C, referenced to 10 kHz RBW . . . . . . . . . . . . . . . . . . . . . . < ±0.5 dB

Temperature drift

S input . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .0.05 dB/°C typically

R, A, B inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.1 dB/°C typically

–x

Amplitude fidelity

Log scale

Amplitude fidelity Amplitude fidelity

Amplitude fidelity

Range @ 1 Hz ≤ RBW ≤ 3 kHz @ 10 kHz ≤ RBW ≤ 300 kHz @ 1 MHz ≤ RBW ≤ 3 MHz

(dB from ref. level) Spec. Typical Spec. Typical Spec. Typical

0 dB ≥ range ≥ –30 dB ±0.05 dB ±0.02 dB ±0.3 dB ±0.12 dB ±1.0 dB ±0.4 dB

–30 dB > range ≥ –40 dB ±0.01 dB ±0.03 dB ±0.3 dB ±0.12 dB ±1.0 dB ±0.4 dB

–40 dB > range ≥ –50 dB ±0.12 dB ±0.05 dB ±0.4 dB ±0.15 dB ±1.2 dB ±0.5 dB

–50 dB > range ≥ –60 dB ±0.4 dB ±0.12 dB ±0.1 dB ±0.3 dB ±1.4 dB ±0.6 dB

–60 dB > range ≥ –l0 dB ±1.2 dB ±0.8 dB ±1.5 dB ±0.6 dB ±2.2 dB ±0.8 dB

–10 dB > range ≥ –80 dB ±4 dB ±1 dB ±4.3 dB ±1.2 dB – –

–80 dB > range ≥ –90 dB – +3 dB – – – –

–90 dB > range ≥ –100 dB – ±10 dB – – – –

1. At 23 ±5 °C, 10 dBm ≥ [ ref. level input att ] > –50 dBm except for gain compression

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Agilent Technologies Agilent 4396B Manual do Utilizador Página 12