Agilent Technologies EXG Manual de usuario descargar pdf (Pagina 15)

External modulation inputs

(Option UNT required for FM, AM, and phase modulation inputs; Option UNW required for pulse modulation inputs)

EXT1 AM, FM, PM

EXT2 AM, FM, PM

PULSE Pulse (50 Ω only)

I Wideband AM (50 Ω only, N5172B only)

Input impedance 50 Ω, 1 MΩ, 600 Ω, DC and AC coupled

Standard internal analog modulation source

(Single sine wave generator for use with AM, FM, phase modulation requires Option UNT or 303)

Waveform Sine

Rate range 0.1 Hz to 2 MHz (tunable to 3 MHz)

Resolution 0.1 Hz

Frequency accuracy Same as RF reference source, nominal

LF audio output 0 to 5 V peak into 50 Ω, –5V to 5 V offset, nominal

Multifunction generator (Option 303)

The multifunction generator option (Option 303) consists of seven waveform generators that can be set independently with up to ﬁ ve

simultaneously using the composite modulation features in AM, FM/PM, and LF out

Waveform

Function generator 1 Sine, triangle, square, positive ramp, negative ramp (pulse for LF out only)

Function generator 2 Sine, triangle, square, positive ramp, negative ramp (pulse for LF out only)

Dual function generator Sine, triangle, square, positive ramp, negative ramp, phase offset, and amplitude

ratio for Tone 2 relative to Tone 1

Swept function generator Sine, triangle, square, positive ramp, negative ramp

Trigger: free run, trigger key, bus, external, internal, timer trigger

Noise generator 1 Uniform, Gaussian

Noise generator 2 Uniform, Gaussian

DC Only for LF output –5 V to +5 V, nominal

Frequency parameters

Sine wave 0.1 Hz to 10 MHz, nominal

Triangle, square, ramp, pulse 0.1 Hz to 1 MHz, nominal

Noise bandwidth 10 MHz, nominal

Resolution 0.1 Hz

Frequency accuracy Same as RF reference source, nominal

Narrow pulse modulation (Option UNW)

On/off ratio > 80 dB, typical

Rise/fall times (Tr, Tf) < 10 ns; 7 ns, typical

Minimum pulse width ALC on/off ≥ 2 us/≥ 20 ns

Repetition frequency ALC on/off 10 Hz to 500 kHz/DC to 10 MHz

Level accuracy (relative to CW) ALC on/off

< ± 1.0 dB/< ± 1.0 dB, typical

Width compression (RF width relative to video out) < 5 ns, typical

1. Pulse speciﬁ cations apply to frequencies > 500 MHz. Operable down to 10 MHz.

2. With power search on.

1 2 ... 10 11 12 13 14 15 16 17 18 19 20 ... 30 31

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Agilent Technologies EXG Manual de usuario Pagina 15

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