SRS Labs manual SR554 Specifications

SR554 SPECIFICATIONS

Inputs	Single ended or differential
Input Impedance	0.5 Ω
Maximum Inputs	Transformer and Buffer:		14.0 mV RMS (±20 mV peak)
	Transformer only:		350 mV RMS (±0.5 V peak)
Common Mode	Range:	± 100 VDC
	Rejection:	140 dB @ 100 Hz
Isolation	> 40dB	DC to 500 MHz
Input Noise	120 pV/√Hz	@ 10 Hz	(typical)
(Transformer and Buffer)	100 pV/√Hz	@ 100 Hz
	100 pV/√Hz	@ 1000 Hz
	(see noise contours, pg. 5)
Gain	Transformer and Buffer:		500	(nominal)
	Transformer only:		100	(nominal)
	See Amplitude-Frequency Response Curve (pg 6).
Gain Accuracy	5% (with fixed source resistance)
Gain Stability	100 ppm/ °C
Outputs	Single ended or differential
Output Impedance	Transformer and Buffer:		< 1.0 Ω
	Transformer only:		> 5000 Ω
Maximum Output	Transformer and Buffer:		7.1 V RMS (10 Volts peak)
	Transformer only:		35.3 V RMS (50 Volts peak)
Power	Provided by any SRS lock-in amplifier via the supplied
	connector cable or from a ± 20 volts DC @ 100 mA source.
Mechanical	2.9" X 3.8" X 7.5" (HxWxL), 4 lb.
Warranty	One year parts and labor on materials and workmanship.

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