Stanford SR1 Dual-domain audio analyzer (200 kHz)

Analog Signal Generator:

General Characteristics:

Amplitude Range (rms): 1 µV to 28.3 V (balanced); 1 µV to 14.1 V (unbalanced)

Amplitude Accuracy: ±0.5 % (±0.043 dB) at 1 kHz

Frequency Range:

Hi BW DAC: 10 Hz to 200 kHz

Hi Res DAC: 10 Hz to 0.45Fs (Fs: 128 kHz or 64 kHz fixed, 24 kHz to 216 kHz adj.)

Frequency Accuracy: ±0.0005 % (5 ppm)

Frequency Resolution: <Fs/224

Output Configuration: Balanced Ground, Balanced Float, Unbalanced Ground, Unbalanced Float, Common Mode Test

Source Impedance: 50 Ω, 150 Ω, 600 Ω (balanced); 25 Ω, 75 Ω, 600 Ω (unbalanced)

Max. Power (600 Ω load):

Balanced: 30.5 dBm

Unbalanced: 24.9 dBm

Float Voltage: ±40 V

Crosstalk:

10 Hz to 20 kHz: -125 dB

>20 kHz: -100 dB

Waveforms:

Low Distortion Sine:

Flatness (relative to 1 kHz):

20 Hz to 20 kHz: ±0.020 dB (typ. ±0.012 dB)

10 Hz to 64 kHz: ±0.025 dB

10 Hz to 200 kHz: ±0.05 dB

Residual THD+N:

1 kHz, 4 Vrms: -112 dB (22 kHz BW)

20 Hz to 20 kHz: -106 dB + 1 µV (22 kHz BW); -100.5 dB + 1.7 µV (80 kHz BW); -97 dB + 2.5 µV (200 kHz BW)

10 Hz to 100 kHz: -89 dB + 2.5 µV (200 kHz BW)

Regular Sine:

Flatness (rel. to 1 kHz, amplitude ≤4 Vrms):

20 Hz to 20 kHz: ±0.008 dB (typ. ±0.003 dB)

10 kHz to 64 kHz: ±0.02 dB

10 Hz to 200 kHz: ±0.03 dB

Residual THD + N (Hi BW DAC):

1 kHz: -86 dB (22 kHz BW)

22 Hz to 20 kHz: -85 dB + 1 µV (22 kHz BW); -84.5 dB + 1.7 µV (80 kHz BW); -82 dB + 2.5 µV (200 kHz BW)

10 Hz to 100 kHz: -75 dB + 2.5 µV (200 kHz BW)

Residual THD+N (Hi Res DAC, Fs = 128 kHz):

1 kHz: -99 dB (22 kHz BW)

22 Hz to 20 kHz: -98 dB + 1 µV (22 kHz BW)

20 Hz to 57.6 kHz: -96.5 dB + 1.4 µV (57.6 kHz BW)

Residual THD+N (Hi Res DAC, Fs = 64 kHz):

1 kHz: -106 dB (22 kHz BW)

22 Hz to 20 kHz: -101 dB + 1 µV (22 kHz BW)

Phased Sines: 0 to 360°, 0.001° resolution

IMD: SMPTE/DIN, CCIF/DFD, DIM/TIM

Noise: White, Pink, Filtered White/Pink, USASI

Multitone :1 to 50 tones

MLS: Repetition rates from 28 to 220

FFT Chirp: Equal power in each FFT bin

Log-sine chirp: Swept-sine with log increasing frequencies

Square: 10 Hz to 50 kHz frequency range

Ramp: Fs/N frequency range (N≥20)

Arbitrary: 256 Samples to 136k Samples

Polarity: 10 Hz to Fs/4 frequency range

Constant (Offset): DC to 20 Vp (unbal) / 40 Vp (bal)

Digital Audio Signal Generator:

Digital Audio Carrier Characteristics:

Output Amplitude:

Balanced:

Range: 16 mV to 10.2 V (110 Ω load)

Accuracy: ±10 % + 80 mV

Unbalanced:

Range: 4 mV to 2.55 V (75 Ω load)

Accuracy: ±10 % + 20 mV

Output Format: Balanced XLR (AES/EBU), dual-connector XLR, unbalanced BNC (SPDIF-EIAJ),dual-connector BNC, Optical (Toslink)

Output Sample Rate: 24 kHz to 216 kHz

Sample Rate Accuracy: ±5 ppm

Output Impedance: 110 Ω (balanced), 75 Ω (unbalanced)

Digital Audio Waveforms:

Sine:

Frequency Range: 10 Hz to Fs/2

Frequency Resolution: <Fs/224

Flatness: ±0.001 dB

Harmonic/Spurious: -148 dB

Phased Sine: 0 to 360° range, 0.01° resolution

Square: 10 Hz to Fs/2 frequency range

IMD: SMPTE/DIN, CCIF/DFD, DIM/TIM

Noise: White, Pink, Filtered White/Pink, USASI

MLS: Repetition rates from 28 to 220

Ramp: Fs/N frequency range (N≥20)

Arbitrary: 256 Samples to 136k Samples

FFT Chirp: Equal power in each FFT bin.

Log-swept sine chirp: Swept-sine with log increasing frequencies

Polarity: 10 Hz to Fs/4 frequency range

General:

Computer Interfaces: GPIB, RS-232, Ethernet, COM

Video Out: VGA output for driving external monitor

Power: <250 W, 90 VAC to 264 VAC, 47 Hz to 63 Hz

Dimensions: 17" × 8.5 " × 20.25 " (WHD)

Weight: 40 lbs.

Datasheet

Manual