Chapter 1 Specifications

Agilent 33120A Function Generator

WAVEFORMS

Standard Waveforms:

Sine, Square, Triangle,

 

Ramp, Noise, DC volts,

 

Sine(x)/x, Negative Ramp,

 

Exponential Rise,

 

Exponential Fall, Cardiac

Arbitrary Waveforms:

 

Waveform Length:

8 to 16,000 points

Amplitude Resolution:

12 bits (including sign)

Sample Rate:

40 MSa / sec

Non-Volatile Memory:

Four 16,000-point waveforms

FREQUENCY CHARACTERISTICS

Sine:

100

Hz

15 MHz

Square:

100

Hz

15 MHz

Triangle:

100

Hz

100 kHz

Ramp:

100

Hz

100 kHz

Noise (Gaussian):

10 MHz bandwidth

Arbitrary Waveforms:

100

Hz

5 MHz

8 to 8,192 points:

8,193 to 12,287 points:

100

Hz

2.5 MHz

12,288 to 16,000 points:

100 ￿Hz

200 kHz

Resolution:

10 ￿Hz or

10 digits

Accuracy:

10 ppm in 90 days,

 

20 ppm in 1 year,

 

18￿C 28 C

Temperature Coefficient:

< 2 ppm / ￿C

Aging:

< 10 ppm / yr

SINEWAVE SPECTRAL PURITY (into 50￿)

Harmonic Distortion

 

 

 

DC to 20 kHz:

-70 dBc

 

20 kHz to 100 kHz:

-60 dBc

 

100 kHz to 1 MHz:

-45 dBc

 

1 MHz to 15 MHz:

-35 dBc

 

Total Harmonic Distortion

 

 

 

DC to 20 kHz:

< 0.04%

 

Spurious (non-harmonic)

 

 

 

Output (DC to 1 MHz):

< -65 dBc

 

Output (> 1 MHz):

< -65 dBc + 6 dB/octave

Phase Noise:

< -55 dBc in a 30 kHz band

SIGNAL CHARACTERISTICS

Squarewave

 

Rise/Fall Time:

< 20 ns

Overshoot:

< 4%

Asymmetry:

1% + 5 ns

Duty Cycle:

20% to 80% (to 5 MHz)

 

40% to 60% (to 15 MHz)

Triangle, Ramp, Arb

 

Rise/Fall Time:

40 ns (typical)

Linearity:

< 0.1% of peak output

Settling Time:

< 250 ns to 0.5% of final value

Jitter:

< 25 ns

OUTPUT CHARACTERISTICS (1)

Amplitude (into 50￿): (2)

50 mVpp – 10 Vpp

Accuracy (at 1 kHz):

1% of specified output

Flatness

(sine wave relative to 1 kHz)

< 100 kHz:

1% (0.1 dB)

100 kHz to 1 MHz:

1.5% (0.15 dB)

1 MHz to 15 MHz:

2% (0.2 dB) Ampl ￿3Vrms

1 MHz to 15 MHz:

3.5% (0.3 dB) Ampl < 3Vrms

Offset (into 50￿): (3)

￿￿5 Vpk ac + dc

Accuracy: (4)

2% of setting + 2 mV

Output Impedance:

50 ohms fixed

Resolution:

3 digits, Amplitude and Offset

Output Units:

Vpp, Vrms, dBm

Isolation:

42 Vpk maximum to earth

Protection:

Short￿￿-circuit protected

 

15 Vpk overdrive < 1 minute

(1)Add 1/10th of output amplitude and offset specification per ￿C for operation outside of 18￿C to 28￿C range (1-year specification).

(2)100 mVpp 20 Vpp amplitude into open-circuit load.

(3)Offset ￿￿2 X peak-to-peak amplitude.

(4)For square wave outputs, add 2% of output amplitude additional error.

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Agilent Technologies 33120A manual Waveforms