Applied Instruments NS-3 Operation Manual

Rf noise source

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NS-3
RF Noise Source
Operation Manual
Version 2.04
June 3, 2016
www.valuetronics.com

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Summary of Contents for Applied Instruments NS-3

  • Page 1 NS-3 RF Noise Source Operation Manual Version 2.04 June 3, 2016 www.valuetronics.com...
  • Page 2: Specifications

    NS-3 Operation Manual NS-3 SPECIFICATIONS Frequency ......5 MHz to 2.15 GHz. Maximum output level ..at least -90 dBm/Hz (+50 dBmV) total power +13 dBmV @ 280 kHz bandwidth +26 dBmV @ 5.2 MHz bandwidth -17 dBm @ 20 MHz bandwidth Output flatness .....
  • Page 3: Standard Accessories

    NS-3 Operation Manual NS-3 1. Introduction The Applied Instruments Model NS-3 RF Noise Source generates a high quality RF noise signal for laboratory and field use. Features  5 MHz to 2.15 GHz frequency range  30 dB of adjustment range in 0.1 dB steps ...
  • Page 4: Safety And Service

    NS-3 Operation Manual NS-3 2. Safety and Service 2.1. Symbols Used The following symbols are used in this manual and/or marked on the instrument. Hazardous areas on the instrument are marked with this symbol. Consult this manual to learn the nature of the hazard and proper actions for safe operation.
  • Page 5: Servicing Instructions

    If water or other conductive material enters the enclosure, immediately turn off the unit and unplug it. Contact a qualified technician or return the unit to Applied Instruments for repair. 3. Servicing Instructions With normal use, the only servicing of the unit that should be expected is recalibration. A calibration period of two years is recommended.
  • Page 6: Reference Level

    NS-3 Operation Manual NS-3 2) dB up from the minimum level 3) dB up or down from a set reference level You select the reference mode by pressing the “REF” soft key. The selected mode appears just above the level number in the middle of the screen. When changing the reference mode, the level itself does not change, but the displayed number will change according to the new mode.
  • Page 7: Level Adjustment

    NS-3 Operation Manual NS-3 LEVEL ADJUSTMENT There are several ways to change the RF output level: If you know what numeric value you want, you may use the numeric keypad to enter the number and press the “ENTER” key when finished.
  • Page 8: Rear Panel Functions

    For use in automated test applications, the power option switch enables the instrument to automatically power up whenever AC power is applied. This is useful when installing the NS-3 as part of an equipment rack: the unit will power up when the rack is turned on.
  • Page 9: Remote Operations

    If using the USB port, a standard cable is provided, and a USB virtual com port driver must be installed on your PC. The driver makes the NS-3 appear as another com port on your PC. You may then use any terminal emulation software to communicate with the NS-3.
  • Page 10: System:error

    [SOURce:]PULM:[INTernal:]FREQuency <value>Sets the modulation frequency in Hz. [SOURce:]PULM:[INTernal:]FREQuency? Return the modulation frequency in Hz. The NS-3 supports only three pulse frequencies: slow=0.1 Hz, med=1 Hz and fast=50 Hz. The SCPI command uses a numeric value; the NS-3 translates the given frequency into the closest supported frequency.
  • Page 11: Warranty

    Any application recommendation made by Applied Instruments for the use of its products are based upon tests believed to be reliable, but Applied Instruments makes no warranty of the results to be obtained. This warranty is in lieu of all other warranties, expressed or implied, and no representative or person is authorized to represent or assume for Applied Instruments any liability in connection with the sale of our products other than that set forth herein.

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