Stanford Research Systems SR780, Operating Manual And Programming Reference

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Specifications xiii
SR780 Network Signal Analyzer
1/1 Octave 0.125 Hz - 32 kHz
1/3 Octaves 0.100 Hz - 40 kHz
1/12 Octaves 0.091 Hz - 12.34 kHz
Two Channels
1/1 Octave 0.125 Hz - 16 kHz
1/3 Octaves 0.100 Hz - 20 kHz
1/12 Octaves 0.091 Hz - 6.17 kHz
Accuracy < 0.2 dB (1 second stable average, single tone at band center).
Dynamic Range 80 dB (1/3 Octave, 2 second stable average),
per ANSI S1.11-1986.
Sound Level Exponential time averaged broadband power (L),
per ANSI S1.4-1983, Type 0.
Broadband Impulse and Peak power, per
IEC 651-1979, Type 0.
Sum of octave bands total power.
Source Output
Amplitude Range 0.1 mVpk to 5 Vpk
Amplitude Resolution 0.1 mVpk
DC Offset <10.0 mV (typical)
Output Impedance < 5 Ω ; ±100 mA peak output current.
Sine
Amplitude Accuracy ±1% of setting, 0 Hz to 102.4 kHz
0.1 Vpk to 5.0 Vpk, high impedance load.
Offset 0 V to
±
5 V, max output
±
5 V (ac+dc).
Harmonics, Sub-Harmonics 0.1 Vpk to 5 Vpk, 0 V offset,
and Spurious Signals
<-80 dBc (fundamental < 30 kHz),
<-74 dBc (fundamental > 30 kHz).
Two Tone
Amplitude Accuracy ±1% of setting, 0 Hz to 102.4 kHz
0.1 Vpk to 5 Vpk, high impedance load.
Offset 0 V to ± 5 V, max output ± 5 V (ac+dc).
Harmonics, Sub-Harmonics 0.1 Vpk to 2.5 Vpk, 0 V offset,
and Spurious Signals
< -80 dBc (fundamental < 30 kHz),
<-74 dBc (fundamental > 30 kHz).
White Noise
Time Record Continuous or Burst
Bandwidth DC to 102.4 kHz or limited to analysis span.
Flatness <0.25 dB pk-pk (typical), <1.0 dB pk-pk (max),
(5000 rms averages).
Pink Noise
Time Record Continuous or Burst
Bandwidth DC to 102.4 kHz
Flatness <2.0 dB pk-pk, 20 Hz - 20 kHz,
(measured using averaged 1/3 Octave Analysis).