Agilent Technologies HP 8902A Manual de usuario descargar pdf (Pagina 2)

AGILENT 8902A MEASURING RECEIVER*

TECHNICAL SPECIFICATIONS

Specifications describe the test set’s warranted performance

and are valid over the entire operation and environmental

ranges unless otherwise noted. All specifications are valid

after a 30-minute warm-up period of continuous opera-

tion, and within the frequency ranges defined below.

Supplemental characteristics are intended to provide

additional information useful in applying the instru-

ment by giving typical, but non-warranted performance

parameters. These characteristics are shown in Italics

and labeled as “nominal,” “typical,” or “supplemental.”

* Shaded text signifies measurements made with the

8902A measuring receiver using the 11793A microwave

converter and 11792A sensor module. With this config-

uration, all standard 8902A specifications apply except

where changes are shown as shaded text.

Frequency Modulation

RATES

20 Hz to 10 kHz, 150 kHz ≤ f

<10 MHz.

20 Hz to 200 kHz, 10 MHz ≤ f

≤1300 MHz.

20 Hz to 200 kHz, 10 MHz ≤ f

≤26.5 GHz.

DEVIATIONS

40 kHz

peak

maximum, 150 kHz ≤ f

<10 MHz.

400 kHz

peak

maximum, 10 MHz ≤ f

≤1300 MHz.

400 kHz

peak

maximum, 10 MHz ≤ f

≤26.5 GHz.

ACCURACY

1, 2, 3

FM Accuracy Frequency Range Rates Deviations

±2% of reading 250 kHz – 10 MHz 20 Hz – 10 kHz ≤40 kHz

peak

±1 digit

±1% of reading 10 MHz – 1300 MHz 50 Hz – 100 kHz ≤400 kHz

peak

±1 digit

±5% of reading 10 MHz – 1300 MHz 20 Hz – 200 kHz ≤400 kHz

peak

±1 digit

±1% of reading 10 MHz – 26.5 GHz 50 Hz – 100 kHz ≤400 kHz

peak

±1 digit

±5% of reading 10 MHz – 26.5 GHz 20 Hz – 200 kHz ≤400 kHz

peak

±1 digit

For rms detector add ±3% of reading.

DEMODULATED OUTPUT DISTORTION

1, 4

THD Frequency Range Rates Deviations

<0.1% 400 kHz – 10 MHz 20 Hz – 10 kHz <10 kHz

<0.1% 10 MHz – 1300 MHz 20 Hz – 100 kHz <100 kHz

<0.1% 10 MHz – 26.5 GHz 20 Hz – 100 kHz <100 kHz

AM REJECTION (50 Hz to 3 kHz BW)

AM Rejection Frequency Range Rates AM Depths

<20 Hz peak 150 kHz – 1300 MHz 400 Hz or 1 kHz ≤50%

deviation

<20 Hz peak 150 kHz – 26.5 GHz 400 Hz or 1 kHz ≤50%

deviation

RESIDUAL FM (50 Hz to 3 kHz BW):

<8 Hz

rms

at 1300 MHz, decreasing linearly with

frequency to <1 Hz

rms

for 100 MHz and below.

<17 Hz

rms'

1300 MHz <f

≤6.2 GHz.

<33 Hz

rms'

6.2 GHz <f

≤12.4 GHz.

<49 Hz

rms'

12.4 GHz <f

≤18.6 GHz.

<65 Hz

rms'

18.6 GHz <f

≤26.5 GHz.

Supplemental Characteristics:

MAXIMUM FM DEVIATION, RESOLUTION, AND

MAXIMUM DEMODULATED OUTPUT SENSITIVITY

ACROSS AN OPEN CIRCUIT (600 Ω output impedance)

Maximum Maximum Demodulated Deviations

Resolution Output Sensitivity (DF)

100 Hz 0.01 mV/Hz DF

peak

≥ 40 kHz

10 Hz 0.1 mV/Hz 4.0 kHz ≤

peak

<40 kHz

1 Hz 1.0 mV/Hz DF

peak

< 4 kHz

0.1 Hz 1.0 mV/ Hz DF

rms

< 0.3 kHz

(rms detector only)

Resolution is increased one digit with 750 µs de-empha-

sis and pre-display on.

The demodulated output signal present at the

Modulation Out/Audio In connector is increased in

amplitude by a factor of 10 with 750 µs de-emphasis.

DEMODULATED OUTPUT DISTORTION

1, 4

THD Frequency Range Rates Deviations

<0.3% 150 kHz – 400 kHz 20 Hz – 10 kHz <10 kHz

<0.1% 400 kHz – 10 MHz 20 Hz – 10 kHz <10 kHz

<0.1% 10 MHz – 26.5 GHz 20 Hz – 100 kHz <100 kHz

DETECTORS: +peak, – peak, ±peak/2, peak hold, average (rms

sinewave calibrated), rms.

STEREO SEPARATION (50 Hz to 15 kHz): >47 dB.

1. But not to exceed: 20 kHz rates and 40 kHz peak deviations with 750 µs de-

emphasis filter.

2. Not to exceed for stated accuracy: 50 Hz to 40 kHz rates with rms detector.

3. Peak residuals must be accounted for in peak readings.

4. With 750 µs de-emphasis and pre-display "off," distortion is not specified for

modulation outputs >4V peak. This condition can occur near maximum deviation

for a measurement range, at rates <2 kHz.

5. For optimum flatness, cables should be terminated with their characteristic

impedance.

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