SDI FS100-RM Bedienungsanleitung PDF herunterladen (Seite 57)

DESCRIPTION

The Noise Measurement System product line is a modular instrument that may be customized to implement a

versatile dual-channel noise measurement system. The measurement system may be used to make both AM

and PM noise measurements on signals in the frequency range of 1 MHz to 45 GHz. Custom detector

modules may be added to extend the carrier frequency measurement range. The measurement system is

composed of modules that plug into the measurement system mainframe. The mainframe dimensions are

5U X 19” X 16”. The mainframe is included with the purchase of a Noise Measurement System Controller

(NMSC).

There are six slots available on the noise measurement crate for the various measurement modules. Two

standard noise detector modules are currently offered that cover the frequency range of 1 MHz to 18 GHz.

The ND-1 covers the frequency range of 2 MHz to 1 GHz. The ND-3 module covers the frequency range of 1

GHz to 18 GHz. Custom modules may be ordered to extend the frequency range or implement special

measurement topologies. All the noise detector modules are designed to facilitate the measurement of

sources as well as passive and active components. A phase locked loop with programmable parameters is

included with the noise detectors to facilitate the measurement of noise in signal sources. The PLL

parameters can be adjusted so that a wide range of sources can be measured. Noise in amplifiers, multipliers,

mixers and other active and passive components can be measured easily with the addition of one of the

programmable delay line modules.

Calibration of the Noise Measurement System can be accomplished easily using a NS-3 noise source

module. The system can also be calibrated by using the traditional beat-note calibration method. Calibrated

noise source modules can be ordered for any frequency range of interest.

NMSC SPECIFICATIONS

 Dual-channel analyzer

 Input impedance: 50 Ω, 1 MΩ

 Input coupling: AC, DC

 Input bandwidth: DC - 40 MHz

 Input range: 0 mV - 10 V

 Sampling rate: 125 MHz

 FFT range: 0.1Hz – 40MHz

 Trigger sources: Ch1, Ch2, Ext, Off

 Trigger modes: Auto, Normal, Single

 Measurement modes: FFT, Oscilloscope

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SDI FS100-RM Bedienungsanleitung Seite 57