Agilent Technologies U2802A Manuale Utente Scaricare il pdf (Pagina 68)

U2761A

Product speciﬁcations and measurement characteristics

Waveforms

Standard Sine, Square, Ramp, Triangle, Pulse, DC

Built-in arbitrary Exponential Rise, Exponential Fall, Negative Ramp

Waveform characteristics

Sine

Frequency range 1 μHz to 20 MHz (1 μHz resolution)

Amplitude ﬂatness

[1]

(relative to 1 kHz)

< 100 kHz 0.2 dB

100 kHz to 1 MHz 0.35 dB

1 MHz to 20 MHz 0.7 dB

Harmonic distortion

[2]

Frequency range < 1 Vpp ≥ 1 Vpp

DC to 20 kHz –70 dBc –60 dBc

20 kHz to 100 kHz –65 dBc –60 dBc

100 kHz to 1 MHz –50 dBc –45 dBc

1 MHz to 20 MHz –40 dBc –35 dBc

Total harmonic distortion

[2]

DC to 20 kHz 0.10%

Spurious (Non-harmonic) output

[3]

DC to 1 MHz –65 dBc

1 MHz to 20 MHz –65 dBc + 6 dB/octave

Phase noise (10 kHz offset) –115 dBc/Hz (Typical)

Square

Frequency range

1 μHz to 20 MHz

(1 μHz resolution)

Rise/Fall time < 18 ns, 10 to 90% terminated load (50 W)

Overshoot < 2%

Variable duty cycle

20% to 80% (up to 10 MHz)

40% to 60% (up to 20 MHz)

Asymmetry (@ 50% duty) 1% of period + 5 ns

Jitter (RMS)

> 50 kHz = 1 ns + 100 ppm of period

≤ 50 kHz = 10 ns + 100 ppm of period

Ramp, Triangle

Frequency range 1 μHz to 200 kHz (1 μHz resolution)

Linearity < 0.2% of peak output

Programmable symmetry 0% to 100%

Pulse

Frequency range 500 μHz to 5 MHz (1 μHz resolution)

Pulse width (period ≤ 10 s) 40 ns minimum, 10 ns resolution

Overshoot < 3%

Jitter (RMS) 300 ps + 0.1 ppm of period

[1]

Add 1/10th of output amplitude and offset speciﬁcation per °C for operation outside the range of 18 °C to 28 °C.

[2]

DC offset set to 0 V.

[3]

Spurious output at low amplitude is –70 dBm, typical.

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Agilent Technologies U2802A Manuale Utente Pagina 68

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