Agilent Technologies E8267D PSG Manual de usuario descargar pdf (Pagina 5)

Output

Power

(dBm)

Frequency range

250 kHz to 3.2 GHz

–130 to +13

250 kHz to 3.2 GHz (with Option 1E6)

–130 to +10

> 3.2 to 20 GHz

–130 to +18

Step attenuator from 0 to 115 dB in 5 dB steps

Measured maximum available power in CW mode

Attenuator hold range (Same as max power sweep range)

Minimum From –15 dBm to maximum specified output

power with step attenuator in 0 dB position.

Can be offset using step attenuator.

Amplitude switching speed

CW or analog modulation < 5 ms (typical)

When using power search < 25 ms (typical)

Level accuracy

(dB)

Frequency

> +10 dBm +10 to –10 dBm –10 to –70 dBm –70 to –90 dBm –90 to –110 dBm

250 kHz to 2 GHz

±0.6 ±0.6 ±0.7 ±0.8 ±1.4

> 2 to 20 GHz ±0.8 ±0.8 ±0.9 ±1.0 ±1.7

CW Level accuracy with I/Q modulation (With PRBS modulated data)

(relative to CW)

With ALC On:

QAM or QPSK formats

±0.2 dB

Constant-amplitude formats (FSK, GMSK, etc) ± 0.2 dB

With ALC Off:

± 0.2 dB (typical)

1. Maximum power specification is warranted from 15 to 35 ºC, and is typical from 0 to 15 ºC. Maximum

power over the 35 to 55 ºC range typically degrades less than 2 dB.

2. With I/Q modulation on, maximum power specification is typical. With external inputs enabled,

+ Q

) > 0.2 V

rms

3. With I/Q modulation on, maximum power specification is typically +15 dBm. With external inputs enabled,

+ Q

) > 0.2 V

rms

4. The step attenuator provides coarse power attenuation to achieve low power levels. Fine power level

adjustment is provided by the ALC (Automatic Level Control) within the attenuator hold range.

5. To within 0.1 dB of final amplitude within one attenuator range.

6. Specifications apply in CW and list/step sweep modes over the 15 to 35 ºC temperature range, with

attenuator hold off (normal operating mode). Degradation outside this range, for ALC power levels > –5 dBm,

is typically < 0.3 dB. In Ramp sweep mode (with Option 007), specifications are typical. For instruments

with Type-N connectors (Option 1ED), specifications are degraded typically 0.2 dB above 18 GHz. Level

accuracy is not specified below –110 dBm.

7. If external inputs are used, specification applies with input level (I

+ Q

) = 0.3 V

rms

and I/Q modulator

attenuation = 10 dB.

8. Measured with symbol rate > 10 kHz and power ≤ 0 dBm.

9. Relative to ALC on, after power search is executed. When applying external I/Q signals with ALC off, output

level will vary directly with I/Q input level.

E8267C model

Frequency (MHz)

0 5000 10000 15000 20000

1 2 3 4 5 6 7 8 9 10 ... 23 24

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Agilent Technologies E8267D PSG Manual de usuario Pagina 5

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