STANFORD RESEARCH SYSTEMS SR560 CALIBRATION and STANFORD RESEARCH SYSTEMS SR560 REPAIR
 
A calibration by Custom-Cal is performed by engineers with extensive OEM experience. We have the expertise and the necessary standards to perform the STANFORD RESEARCH SYSTEMS SR560 Calibration, onsite calibration may be available. We specialize in quick turnaround times and we can handle expedited deliveries upon request.

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   STANFORD RESEARCH SYSTEMS SR560   Description / Specification:    
STANFORD RESEARCH SYSTEMS SR560 Low-noise Preamplifier

The Stanford Research SR560 Low-noise Preamplifier provides DC-coupled low-noise amplification of single ended and true differential input signals at gains of 1 to 50,000. Two configurable R-C filters are provided to selectively condition signals in the frequency range from DC to 1 MHz. The user can choose high dynamic reserve or low noise settings, and can invert the output relative to the input. The SR560 normally operates with a fully floating ground and can be viewed as an "in-line-BNC amplifier" with the amplifier ground isolated from the chassis and the AC power supply. Opto-isolated input blanking control and listen-only RS-232 interface lines are provided for instrument control. Digital noise is eliminated by shutting down the microprocessor's oscillator except during the short time required to alter the instrument's configuration, either through a front-panel pushbutton or through an RS-232 command. Internal sealed lead-acid batteries provide 15 hours of line independent operation. Rear panel banana jacks provide access to the internal regulated power supplies (or batteries) for use as a bias source. Specifications. Inputs: Single-ended or true differential. Impedance 100 MO + 25 pF, DC-coupled. Maximum Inputs: 1 VDC before overload; 3 V peak to peak max AC coupled; protected to 100 VDC. Maximum Output: 10 Vpp. Noise: <4 nV/sqrt Hz at 1 kHz. CMRR: >90 dB to 1 kHz, decreasing by 6 dB / octave (20 dB / decade) above 1 kHz. Gain: 1 to 50,000 in 1-2-5 sequence vernier gain in 0.5% steps. Frequency Response: Gains up to 1000, small signal ±0.5 dB to 1 MHz, ±0.3 dB to 300 kHz, -3 dB at 1 MHz, 1 Vpp output. Gain Stability: 200 ppm /°C. DC Drift: 5 µV/°C referred to input (DC coupled). Filters: 0.03 Hz to 1 MHz, 10% typical accuracy. Distortion: 0.01% typical.



 

Standard Calibration $285.00 *
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*This is a Web introductory price for one calibration of the STANFORD RESEARCH SYSTEMS SR560. Price does not in most cases include measurement performance data. Pricing does include NIST traceable calibration and issue of a calibration certificate and calibration label. Pricing may vary slightly due to volume and location of laboratory supporting calibration. Volume pricing may apply. On-site fees may apply depending on logistics, location and volume of work to be completed during the visit.


Related RF Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Average Power
Average power means that the energy transfer rate is to be averaged over many periods of the lowest frequency involved. For a CW signal, the lowest frequency and highest frequency are the same, so average power and power are the same. For an amplitude modulated wave, the power must be averaged over many periods of the modulation component of the signal as well.

Harmonic
A harmonic of a wave is a component frequency of the signal that is an integer multiple of the fundamental frequency, i.e. if the fundamental frequency is f, the harmonics have frequencies 2f, 3f, 4f, . . . etc.

Phase Noise
Phase noise is the frequency domain representation of rapid, short-term, random fluctuations in the phase of a waveform, caused by time domain instabilities. Phase noise (L(f)) is typically expressed in units of dBc/Hz, representing the noise power relative to the carrier contained in a 1 Hz bandwidth centered at a certain offsets from the carrier.

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