STANFORD RESEARCH SYSTEMS CG635 CALIBRATION and STANFORD RESEARCH SYSTEMS CG635 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 CG635 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 CG635   Description / Specification:    
STANFORD RESEARCH SYSTEMS CG635 2.05 GHz Synthesized Clock Generator

The SRS CG635 generates extremely stable square wave clocks between 1 µHz and 2.05 GHz. The instrument's high frequency resolution, low jitter, fast transition times, and flexible output levels make it ideal for use in the development and testing of virtually any digital component, system or network. Clean clocks are critical in systems that use high-speed ADCs or DACs. Spurious clock modulation and jitter create artifacts and noise in acquired signals and in reconstructed waveforms. Clean clocks are also important in communications systems and networks. Jitter, wander, or frequency offsets can lead to high bit error rates, or to a total loss of synchronization. The SRS CG635 can provide the clean, stable clocks required for the most critical applications. The SRS CG635 has several clock outputs. The front-panel Q and -Q outputs provide complementary square waves at standard logic levels (ECL, PECL, LVDS or +7 dBm). The square wave amplitude may also be set from 0.2 V to 1.0 V, with an offset between -2 V and +5 V. These outputs operate from DC to 2.05 GHz, have transition times of 80 ps, a source impedance of 50 ohm, and are intended to drive 50 ohm loads. Output levels double when these outputs are unterminated. Specifications. Frequency Range: DC, 1 µHz to 2.05 GHz. Frequency Resolution: 16 digits (f >= 10 kHz), 1 pHz (f < 10 kHz). Timebase (20 °C to 30 °C ambient) Stability: <5 ppm (std. timebase). Phase Noise (at 622.08 MHz) 100 Hz offset: < -90 dBc/Hz. Jitter (rms): <1 ps (1 kHz to 5 MHz bandwidth. Phase setting Range: ±720° (max. step size ±360°). Option 01, PRBS.



 

Standard Calibration $720.00 *
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*This is a Web introductory price for one calibration of the STANFORD RESEARCH SYSTEMS CG635. 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 Bench Equipment Terms and Definitions. For a complete list go to our  Terms and Definitions Page.

Channel Bandwidth
Channel Bandwidth is the bandwidth over which power is measured. This is usually the bandwidth in which almost all of the power of a signal is contained.

Jitter
Jitter in technical terms is the deviation in or displacement of some aspect of the pulses in a high-frequency digital signal. Jitter is the time variation of a periodic signal in electronics and telecommunications, often in relation to a reference clock source. Jitter may be observed in characteristics such as the frequency of successive pulses, the signal amplitude, or phase of periodic signals. Jitter is a significant, and usually undesired, factor in the design of almost all communications links (e.g., USB, PCI-e, SATA, OC-48). In clock recovery applications it is called timing jitter.

Overshoot
Overshoot is the distortion that follows a major transition; the difference between the peak power point and the pulse-top amplitude computed as a percentage of the pulse-top amplitude.

Rise Time
Rise time refers to the time required for a signal to change from a specified low value to a specified high value, usually 10 and 90 percent of pulse-top amplitude (vertical display is linear power).

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