Agilent Technologies 8935 Series Manual do Utilizador descarregar pdf (Página 4)

Measurement Accuracy: ±20 mrad using a measurement interval

of 12.5 ms

Measurement Resolution: 0.01 mrad

Signal Generator Specifications

RF Frequency

Range: 400 kHz to 1000 MHz, and 1.7 to 2.0 GHz

Accuracy and Stability: ±(0.065 Hz plus reference oscillator

accuracy)

Output

RF IN/OUT Connector

Level Range: –137 to –40 dBm into 50 W

Level Accuracy: ±1.0 dB (level >–127 dBm); if RF Analyzer

is also connected add ±0.1 dB

Typically ±1.0 dB for levels below –127 dBm

Reverse Power: 100 watts continuous, temperature <40° C,

75 W continuous, for temperature <55° C

SWR: <1.5:1

DUPLEX OUT Connector

Level Range: –125 to –10 dBm into 50 Ω

Maximum Power Output: +3 dBm

Level Accuracy: ±1.5 dB, Typically ±1.0 dB for all levels

Reverse Power: 200 mW max

SWR: <1.7:1

Supplemental Characteristics

Resolution: 0.1 dB

Spectral Purity

(For output levels of <–10 dBm at DUPLEX OUT or <–40 dBm

at RF IN/OUT)

Harmonics: <–25 dBc

Non-Harmonic Spurious (>5 kHz from carrier):

250 kHz ≤f

<249 MHz <–45 dBc

249 MHz ≤f

≤1000 MHz <–60 dBc

1700 MHz ≤f

≤2000 MHz <–55 dBc

Residual FM (rms, CCITT filter):

250 kHz ≤f

<249 MHz <7 Hz

249 MHz ≤f

<501 MHz <4 Hz

501 MHz ≤f

≤1000 MHz <7 Hz

1700 MHz ≤f

≤2000 MHz <14 Hz

Supplemental Characteristics

SSB Phase Noise (20 kHz offset):

<1 GHz <–116 dBc/Hz

1.7 GHz < f

<2.0 GHz <–90 dBc/Hz

FM Deviation Maximum (For rates >25 Hz):

400 kHz <f

<249 MHz 100 kHz

249 MHz <f

<501 MHz 50 kHz

501 MHz <f

<1000 MHz 100 kHz

1.7 GHz <f

<2.0 GHz 100 kHz

[FM not specified for (f

minus FM dev) <400 kHz]

FM Rate (1 kHz reference):

Internal: DC to 25 kHz (1 dB BW )

External: AC Coupled: 20 to 75 kHz (typically 3 dB BW)

DC Coupled: DC to 75 kHz (typically 3 dB BW)

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

Ext. Mod. 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 to 2.0 GHz band

RF Frequency Measurements

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

Level Range:

RF IN/OUT:

1 mW to 100 watts continuous, temp. <40° C,

75 W continuous, for temperatures <55° C

ANT IN: –38 dBm to +15 dBm

Accuracy: ±1 Hz plus timebase accuracy

Supplemental Characteristics

Frequency Resolution: 1 Hz (The user must set the instrument

within 15 kHz of the signal under test)

1 2 3 4 5 6 7 8

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Agilent Technologies 8935 Series Manual do Utilizador Página 4

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