Agilent Technologies HP 8566B Uživatelský manuál stáhnout pdf (Strana 9)

Frequency span

0 Hz, 100 Hz to 22 GHz over 10 division CRT horizontal axis; variable in approximately 1%

increments. Two FULL SPAN keys select spans from 0 to 2.5 GHz and from 2 to 22 GHz.

Frequency span readout accuracy

Spans ≤ n x 5 MHz ± 1 % of indicated frequency separation

Spans > n x 5 MHz ± 3% of indicated frequency separation

Start or Stop Frequency Same as center frequency

Resolution

Resolution bandwidth 3 dB bandwidths of 10 Hz to 3 MHz in a 1. 3, 10 sequence.

Bandwidth may be selected manually or coupled to frequency span (AUTO mode).

3 dB bandwidth accuracy

3 MHz ±20%

3 kHz to 1 MHz ±10%

10 Hz to 1 kHz ±20%

(30 kHz and 100 kHz bandwidth accuracy figures apply only with ≤ 90% relative

humidity, 40 °C.)

60 dB/3 dB bandwidth selectivity ratio

100 kHz to 3 MHz < 15:1

3 kHz to 30 kHz < 13:1

30 Hz to 1 kHz < 12:1

(60 dB points on 10 Hz bandwidth are separated by < 100 Hz.)

Bandwidth shape

Synchronously tuned, approximately Gaussian

Stability

Residual FM (typical) For fundamental mixing (n = 1) < 50 kHz peak-to-peak,

freq. span > 5 MHz.

Drift Because analyzer is phase-locked at beginning of each sweep, drift occurs only

during time of one sweep.

Frequency span Center frequency drift

< 100 kHz < Iø Hz/min of sweeptime

100 kHz to 5 MHz < 500 Hz/min of sweeptime

≥ 5 MHz < 5 KHz/min of sweeptime

Spectral purity

Noise sidebands (for frequency span < 25 kHz – except 100 kHz offset – and center

frequency from 100 Hz to 5.8 GHz)

Offset from carrier sideband level

320 Hz -80 dBc/Hz

1 kHz -85 dBc/Hz

10 kHz -90 dBc/Hz

100 kHz -105 dBc/Hz

Specifications (continued)

Figure 1. Typical spectrum analyzer resolution

1. Typical, after 1 hr warmup at stabilized temp COUPLED FUNCTION not required.

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16

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