信号发生器E8257D

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250kHz to 20GHz PSG Analog Signal Generator

The standard PSG is a continuous wave (CW) generator,

You can optionally add analog and/or pulse modulation formats.

Features:

Frequency resolution .001Hz;

10 ms frequency switching speed (typical):

Output power: typical performance of +13dBm @ 20GHz

SSB phase noise at 20kHz offset from carrier -130dBc to -104dBc

depending on carrier frequency.

Step/list sweep (8 ms switching typical).

RF output impedance 50 ohms

Connector type: Precision APC-3.5 male, or Type-N with Option 1ED.

The type-N connector is only recommended for use up to 18 GHz.

The standard 3.5 mm(m) RF output connector is recommended

for use over the entire frequency range of Option 520.

See also  AT-E8247C-520 or  AT-E8257C-520 for units with modulation.

For rack mount 1CP

See also AT-5063-9222, AT-E82X7-1CP, AT-E8267C-1CP, or AT-E8247C-1CP.

For rack mount 1CM

See AT-5063-9215, AT-E82X7-1CM or AT-E444XA-1CM.

Option description:

Option 7 is required when using with the  AT-8757D.

Option 8 Removable flash memory provides 2GB of removable compact flash

memory.

Option 1E1 adds 110dB step attenuator

Option 1EH Improved harmonics below 2 GHz serial numbers less than US/MY4928

Option 2EH Improved harmonics below 2 GHz for units with 1EU and

or serial prefix greater than or equal to US/MY4928

Option 1EA extends typical performance of +23dBm @ 20GHz

Available on serial numbers less than US/MY4928

Option 1EU extends typical performance of +25dBm @ 20GHz

Available on serial numbers greater than or = US/MY4928

Option 1SM Scan modulation, provides deep AM capability, requires option UNT,

replaces option HSM.

Option UNU Pulse modulation and is not compatible with UNW.

Option UNT provides dual function generators with two independent signals

(Internal1 and internal2) for use with AM, FM, PM, or LF Out.

Waveforms Sine, square, positive ramp, negative ramp, triangle,

gaussian noise, uniform noise, swept sine, dual sine.

Option UNX Ultra-low phase noise performance and is not compatible with UNR.

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