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 ...
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.
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.
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.
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.
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.
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.
[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.
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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