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ST121 

SIGNAL IMITATOR 

TECHNICAL DESCRIPTION AND 

OPERATING MANUAL 

Summary of Contents for ST121

Page 1: ...1 ST121 SIGNAL IMITATOR TECHNICAL DESCRIPTION AND OPERATING MANUAL ...

Page 2: ...L DESCRIPTION 4 1 1 Purpose of the device and main capabilities 4 1 2 Contents 4 1 3 Main module 4 1 4 Power supply 5 1 5 Operation modes 6 2 RESTRICTIONS AND RECOMMENDATIONS 9 3 TECHNICAL SPECIFICATIONS 9 4 LIFE TIME AND MANUFACTURER S WARRANTY 12 5 CERTIFICATE OF ACCEPTANCE 12 ...

Page 3: ...NSTRUCTIONS FOR ST121 3 Introduction Before starting your work with ST121 carefully read this instruction and save it for further use as a handbook Any information in this manual can be changed fully or partially without further notice ...

Page 4: ...y Sound and ultrasound signals with user defined frequency or with frequency values corresponding to octave and third octave filters and direct connection of speakers to the ST121 output socket Low frequency magnetic field Imitation of nonlinear transition in wire lines 1 2 ST121 Contents 1 Main module 2 HF antenna 3 RJ 45 cable 4 220V cable 5 3 RJ 45 cable 6 Power supply charger 5V 1A 7 Technical...

Page 5: ...kHz range ________________________________________________________________________ 1 4 ST121 Power supply Battery status icon is located in upper right corner of main menu screen Fully colored icon corresponds to fully charged battery uncolored crossed with line discharged 1 4 1 Battery charging To charge internal battery connect power supply State of power switch has no effect on charging Chargin...

Page 6: ...1 6 GHz range outputted through HF SHF socket intended for RF antenna Setting altering can be achieved using ROTARY KNOB with step selected in SETTING submenu Default value is 10 MHz If Modulation OFF is selected it will change carrier signal modulation type AM or FM as well as FHSS Frequency Hopping Spread Spectrum DSSS Direct Sequence Spread Spectrum and PULSE If AM or FM is selected Frequency o...

Page 7: ...tem Modulation OFF it is possible to select modulation of carrier signal FM AM or PWM If AM or FM is selected Frequency option will appear allowing selection of modulation signal frequency for AM and FM modulation Deviation option will appear for FM allowing selection of highest deviation for modulated signal frequency from value of its carrier frequency If PWM is selected two options will appear ...

Page 8: ...f impulse and Ratio allowing selection of interval between impulses Power is changed in of maximum power If IR 940nm submenu is selected in main MENU you will see the submenu which allows work with IR emitter located on the front panel Pic 1 Pos 7 With selection of line Modulation OFF it is possible to select modulation of carrier signal FM AM or PWM If AM or FM is selected Frequency option will a...

Page 9: ...ncy range MHz 100 6000 Frequency tuning step kHz 10 100 1000 10000 100000 Signal level dBm 42 14 Stray harmonics dBm 100 200MHz 15 200 700 1100 1500MHz 45 800 1000 1600 6000MHz 30 Signal Sinusoidal DSSS FHSS PULSE Modulation AM FM Data transmission standards imitation GSM 3G DECT WLAN BLUETOOTH Modulation frequency kHz 0 5 1 1 5 15 АМ depth 70 FM Deviation kHz 5 20 100 300 600 Nonlinear distortion...

Page 10: ...000 Maximum signal amplitude V 3 5 Maximum input voltage V 380 Modulation FM DSSS Modulation frequency kHz 0 5 1 1 5 15 FM Deviation kHz 5 20 100 300 Frequency of PWM signal Hz 1 10 40 и 100 PWM Duty cycle 1 5 10 IR emitter Wave length nm 940 Subcarrier frequency range kHz 0 01 5000 Stray harmonics dBm 30 Output power mW 0 5 Modulation AM FM DSSS Modulation frequency kHz 0 5 1 5 10 15 АМ depth 15 ...

Page 11: ...0 125 160 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 3150 4000 5000 6300 8000 10000 12500 16000 20000 25000 31500 40000 50000 63000 80000 100000 Nonlinear distortion no more than 1 Modulation AM FM DSSS Modulation frequency kHz 0 5 1 1 5 15 АМ depth 15 FM Deviation kHz 5 20 100 300 Frequency of PWM signal Hz 1 20 PWM Duty cycle 1 5 10 Magnetic field emitter MF Equivalent magnetic moment ...

Page 12: ...ation transportation and storage regulations stated in this instruction Warranty period one year from the day of delivery to the customer 4 2 2 During warranty period manufacturer will provide free of charge repairs as long as consumer will follow exploitation transportation and storage regulations stated in this instruction 5 CERTIFICATE OF ACCEPTANCE ST121 device Certified _____________ is manuf...

Page 13: ..._ Manufactured ________________ Manufacturer s stamp Sold ___________________________________ Date ________20 г vendor s identification Salesman __________________ Vendor s stamp signature CARD STUB 1 For warranty repair maintenance ST121 Serial ______________ Date ________________ Executor _______________________________ Family name signature ...

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