... invention and particularly adapted for the am-V accordance with my invention each of the grid plification of square wave forms which may be resistors ZI and 22 are shunted by a peak volt applied to cathode ray indicating equipment. Re age reotifying device, such as the diodes 23 and ferring to Figur ...
Heathkit SB-401 - Orange County (California) Amateur Radio Club
... In mid 1968, after finishing college and getting a job, I found myself back on the air using a new Heathkit SB-301 receiver (See Heathkit of the Month #36) and an old Heathkit Apache TX-1 transmitter (See Heathkit of the Month #17). It was obviously a good time to update to the matching SB-401 SSB t ...
... In mid 1968, after finishing college and getting a job, I found myself back on the air using a new Heathkit SB-301 receiver (See Heathkit of the Month #36) and an old Heathkit Apache TX-1 transmitter (See Heathkit of the Month #17). It was obviously a good time to update to the matching SB-401 SSB t ...
circuit description - Allegro MicroSystems
... there is still a tendency for current to ‘ring’ from one primary circuit to another (presumably due to residual variations in FET switching times), which causes an oscillatory waveform on top of the bottom MOSFET (Q1) current-sensing voltage (on R26). This current sense ringing causes gain variation ...
... there is still a tendency for current to ‘ring’ from one primary circuit to another (presumably due to residual variations in FET switching times), which causes an oscillatory waveform on top of the bottom MOSFET (Q1) current-sensing voltage (on R26). This current sense ringing causes gain variation ...
HP 4140B pA Meter / DC Voltage Source
... The 41409 makes very stable, high resolution current measurements to + 1.000 x 10.‘*A (1 x 10-15A maximum resolution) that were previously very difficult to make. The Zero offset cancels up to 100 x 10-15A leakage current of test leads or fixtures in the Current (I, I-V) modes, and up to 100 pF stra ...
... The 41409 makes very stable, high resolution current measurements to + 1.000 x 10.‘*A (1 x 10-15A maximum resolution) that were previously very difficult to make. The Zero offset cancels up to 100 x 10-15A leakage current of test leads or fixtures in the Current (I, I-V) modes, and up to 100 pF stra ...
sppcx7450-rev3Current 6-20-08b.pub
... current pulses variable from 20A to 150A, pulse widths variable from 15µS to 5mS, with rise times and fall times of 5µS to 1mS, and pulse repetition frequencies variable from single shot to 5 KHz with duty cycles limited by total power dissipation. A microprocessor-controlled front-panel and RS-232 ...
... current pulses variable from 20A to 150A, pulse widths variable from 15µS to 5mS, with rise times and fall times of 5µS to 1mS, and pulse repetition frequencies variable from single shot to 5 KHz with duty cycles limited by total power dissipation. A microprocessor-controlled front-panel and RS-232 ...
Document
... Current Modulation (PS2CM), the input line current is shaped into sinusoid waveform which is in-phase with input line voltage, crucial for. Consequently, the proposed CCM buck PFC can achieve high PF, low THD, and efficiency simultaneously. A test chip was fabricated in 0.5μm BCD process. Experiment ...
... Current Modulation (PS2CM), the input line current is shaped into sinusoid waveform which is in-phase with input line voltage, crucial for. Consequently, the proposed CCM buck PFC can achieve high PF, low THD, and efficiency simultaneously. A test chip was fabricated in 0.5μm BCD process. Experiment ...
A Single-phase-to-three-phase Power Converter with an Active
... ripple is absorbed by the inertia moment of a motor [9]. This method does not require additional components over the conventional converter; however this approach limits the applications because the large torque ripple will occur in the motor. In another approach, the single-phase power supply and e ...
... ripple is absorbed by the inertia moment of a motor [9]. This method does not require additional components over the conventional converter; however this approach limits the applications because the large torque ripple will occur in the motor. In another approach, the single-phase power supply and e ...
... system that does not physically vary the module towards sun to obtain maximum power but instead it varies electrical operating point of modules so that modules can deliver maximum available power. The operation of the PV system may fail to track the maximum power due to sudden change in environmenta ...
radio-frequency (rf) system - Variable Energy Cyclotron Centre
... in Fig.16) protects the rf system as well as operating personnel. Measurements of rf parameters at various resonant frequencies of the amplifier cavity have been done. The frequency response of the input circuit of the amplifier has been measured using VNA. RF SYSTEM: The block diagram of the rf sys ...
... in Fig.16) protects the rf system as well as operating personnel. Measurements of rf parameters at various resonant frequencies of the amplifier cavity have been done. The frequency response of the input circuit of the amplifier has been measured using VNA. RF SYSTEM: The block diagram of the rf sys ...
Analog indicators
... IP 52 case IP 00 for terminals without protection against accidental contact IP 20 for terminals protected against accidental contact ' ...
... IP 52 case IP 00 for terminals without protection against accidental contact IP 20 for terminals protected against accidental contact ' ...
Troubleshooting Low Voltage Measurement Problems - Techni-Tool
... However, if the measurement response time is long, thermoelectric EMFs associated with the temperature gradients in the circuit become more important. Sensitive measurements may not be achieved if the thermal time constants of the measurement circuit are the same order of magnitude as the response t ...
... However, if the measurement response time is long, thermoelectric EMFs associated with the temperature gradients in the circuit become more important. Sensitive measurements may not be achieved if the thermal time constants of the measurement circuit are the same order of magnitude as the response t ...
Transformers
... Basics of single phase Transformers Babaria Institute of Technology, Varnama Chaudhari Kakshti(150053109004) Rana Priya(150053109026) ...
... Basics of single phase Transformers Babaria Institute of Technology, Varnama Chaudhari Kakshti(150053109004) Rana Priya(150053109026) ...
performance of unified power quality conditioner in
... concerned issue that is becoming increasingly important to electricity consumers at all levels of usage. The power quality is the combination of voltage and current quality. The main causes of a poor power quality are harmonic currents, poor power factor, supply voltage variations etc. The quality o ...
... concerned issue that is becoming increasingly important to electricity consumers at all levels of usage. The power quality is the combination of voltage and current quality. The main causes of a poor power quality are harmonic currents, poor power factor, supply voltage variations etc. The quality o ...
AUIR2085S - Infineon
... current at HO and LO. Knowing the operating frequency and the MOSFET gate charge (Qg) at selected VCC voltage, the average current (including bootstrap function) can be calculated from: Iave = 2 x Qg X fOSC To prevent noise problem, a bypass ceramic capacitor connected to VCC and COM should be place ...
... current at HO and LO. Knowing the operating frequency and the MOSFET gate charge (Qg) at selected VCC voltage, the average current (including bootstrap function) can be calculated from: Iave = 2 x Qg X fOSC To prevent noise problem, a bypass ceramic capacitor connected to VCC and COM should be place ...
RA07H4452M 数据资料DataSheet下载
... 4.In order to maximize reliability of the equipment, it is better to keep the devices temperature low. It is recommended to utilize a sufficient sized heat-sink in conjunction with other cooling methods as needed (fan, etc.) to keep the case temperature for RA series products lower than 60deg/C unde ...
... 4.In order to maximize reliability of the equipment, it is better to keep the devices temperature low. It is recommended to utilize a sufficient sized heat-sink in conjunction with other cooling methods as needed (fan, etc.) to keep the case temperature for RA series products lower than 60deg/C unde ...
