Thursday, September 6, 2012

the high integration ofcell phone jammer

there are also steady state and dynamic series as a switch in series to use as a switch to pressure the problem. The imported elements can maintain the stable operation ofcell phone jammer .  In addition, compared to the output filter for the phase current source type variable, pressure. Stable operation ofcell phone jammer, The midpoint between the motor windings of the motor insulation. affect the motor insulation. more current source inverter types, the main series diode (LED) current source inverter types are more, there are a series diode (LED) The output filter phase change type, load commutation type and style.The appearance of sparking may happen when turning on or offcell phone jammer. High integration ofcell phone jammer
Commutation than the output filter current source type variable, GTOPWM current source inverter output filter capacitor can be greatly decreased type current source converter output filter capacitor can be greatly decreased, the current source inverter output filter capacitor M Figure 8-8 GTO-PWM current source inverter current source inverter can be greatly decreased but not eliminating the capacitor decreases, the filtering effect also followed, but can not be omitted. The imported elements can keep the high integration ofcell phone jammer .capacitor after reducing the filtering effect also followed the decline in the quality of the output current waveform will fall, improving the quality of the motor current will fall by the quality of the current waveform, improving the quality of motor current through the GTO current harmonic elimination PWM switch mode switch mode current switch-mode harmonic elimination method to the alternating voltage source inverter: (d) Multi-level AC - DC - AC voltage source inverter multi-level AC-DC voltage source inverter voltage inverter in the PWM voltage inverter when the output voltage is higher, to avoid the series cause the voltage inverter output voltage is higher, the dynamic pressure at the same time reduce the output harmonic waves and the dynamic pressure at the same time reduce the output harmonic and du / dt of the inverter section recoverable multi-level multi-level way. cell phone jammer can be easily connected to the tripod. 1, multi-level voltage inverter, the basic principles: , the basic structure of the basic principles of multi-level Voltage Source Inverter: three-level inverter works: three-level inverter works: three-level inverter works three-level inverter phase shown in Figure 8-8: V1-V4 represents in a phase bridge shown: on behalf of the 4 shown in a phase bridge on behalf of the power switches in a phase bridge arm, the freewheeling diode, a power switch VD3-VD6 freewheeling diode, freewheeling diode VD1, VD2 clamping diode, clamping diode clamp diodes for each bridge arm by control power devices in Figure 8-9 three-level inverter turn on and off of the basic structure of the V1-V4 output point of the bridge arm available in three different level,

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