Agilent Technologies 8935 Series Bedienungsanleitung PDF herunterladen (Seite 4)

FM Accuracy (1 kHz rate):

<10 kHz dev: ±3.5% of setting ±50 Hz,

>10 kHz dev: ±3.5% of setting ±500 Hz

FM Distortion (THD + noise, in a 0.3 to 3 kHz BW):

<0.5% at >3 kHz dev. and 1 kHz rate, f

<1000 MHz,

<1.0% at >3 kHz dev. and 1 kHz rate, 1.7 GHz < f

<2.0 GHz

Center Frequency Accuracy in DC FM Mode

(external source impedance <1k Ω):

±500 Hz (after DC FM zero), typically ±50 Hz

Supplemental Characteristics

External Modulation Input Impedance: 600 Ω nominal

Resolution:

50 Hz for <10 kHz deviation

500 Hz for >10 kHz deviation

Supplemental Characteristics

AM Depth: 0 to 60%

External Modulation Input Impedance: 600 Ω nominal

RF Analyzer Measurements

SWR

RF IN/OUT Port: <1.5:1

ANT IN Port: <1.6:1, except <1.8:1 for 0 dB

attenuation in 1.7 GHz to 2.0 GHz band

RF Frequency Measurements

Measurement Range: 400 kHz to 1 GHz, 1.7 GHz to 2.0 GHz

Level Range

RF IN/OUT: 1 mW to 100 W continuous, temperatures <40 °C;

75 W continuous, temperatures <55 °C

ANT IN: –38 dBm to +15 dBm

Accuracy: ±1 Hz plus frequency reference

Supplemental Characteristics

Frequency Resolution: 1 Hz

The user must set the instrument within 15 kHz of the signal

under test.

1. To achieve the specified accuracy when measuring power at the RF IN/OUT port,

the internal signal generator level must be 60 dB below the measured power or

less than –20 dBm at the Duplex port.

RF Power Measurements

Frequency Range: 30 MHz to 1 GHz, 1.7 GHz to 2.0 GHz

Accuracy:

Measurement Range RF IN/OUT

100 MHz <f

<2.0 GHz:

4mW to 100 W continuous, temperatures <40 °C,

75 W continuous, for temperatures <55 °C

30 MHz <f

<100 MHz:

4 mW to 1 W continuous

Supplemental Characteristics

Resolution: 3 digits (Example: Resolution of 10 mW for powers

<10 W and >1 W)

FM Measurement

Frequency Range: 5 MHz to 1 GHz (Usable to 400 kHz), and

1.7 GHz to 2.0 GHz

Deviation: 20 Hz to 75 kHz

Sensitivity: 4 µV for 12 dB SINAD, (30 kHz IF BW, high sensitivity

mode, 0.3 to 3 kHz BW)

Typically: <2 µV (12 dB SINAD, f

>10 MHz)

Accuracy: ±4% of reading plus residual FM and noise contribution

(20 Hz to 25 kHz rates, deviation <25 kHz, 230 kHz IF BW)

Bandwidth (3 dB): 2 Hz to 70 kHz

THD + Noise: <1% rms (for deviation >5 kHz and at a rate of

1 kHz in a 0.3 to 3 kHz BW, 230 kHz IF BW)

Input Level Range for Specified Accuracy:

–6 dBm to +50 dBm at RF IN/OUT

–44 dBm to +12 dBm at ANT IN

Residual FM and Noise (0.3 to 3 kHz, rms):

<7 Hz, for f

<1000 MHz

<14 Hz, for 1.7 GHz <f

<2.0 GHz

Supplemental Characteristics

Resolution: 1 Hz, f <10 kHz ; 10 Hz, f >10 kHz

1.7 GHz ≤f

≤2.0 GHz

± (12% ± 50 µW)

Typically ± 10%

± (8% ± 50 µW)

Typically ± 5%

≤ 1000 MHz

± (10% ± 50 µW)

Typically ± 7%

0˚C 10˚C 20˚C 30˚C 40˚C 50˚C 60˚C

32˚F 50˚F 68˚F 86˚F 104˚F 122˚F 140˚F

Temperature

100%

80%

40%

20%

60%

Relative Humidity

1 2 3 4 5 6 7 8

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