Heathkit V-7A - Orange County (California) Amateur Radio Club
... cuit board. Next the controls, jacks and switches are mounted to the front panel, and over 7 MHz (600 Ω), but the low impedance can affect measurements in critical circuits. the wiring between front panel components is The reason Heathkit was not concerned with added. Then the circuit board is fille ...
... cuit board. Next the controls, jacks and switches are mounted to the front panel, and over 7 MHz (600 Ω), but the low impedance can affect measurements in critical circuits. the wiring between front panel components is The reason Heathkit was not concerned with added. Then the circuit board is fille ...
GOSSEN METRAWATT
... measured value is documented after one minute, and after ten minutes. If the insulation is defective, the value measured after ten minutes is higher than the value measured after one minute. The relationship between the two measurement values is the polarization index. Charged material within the in ...
... measured value is documented after one minute, and after ten minutes. If the insulation is defective, the value measured after ten minutes is higher than the value measured after one minute. The relationship between the two measurement values is the polarization index. Charged material within the in ...
UCC2800-Q1 数据资料 dataSheet 下载
... CS is the input to the current sense comparators. The UCC2800 family has two different current sense comparators: the PWM comparator and an over-current comparator. The UCC2800 family contains digital current sense filtering, which disconnects the CS terminal from the current sense comparator during ...
... CS is the input to the current sense comparators. The UCC2800 family has two different current sense comparators: the PWM comparator and an over-current comparator. The UCC2800 family contains digital current sense filtering, which disconnects the CS terminal from the current sense comparator during ...
AD7675 数据手册DataSheet下载
... The AD7675 is a 16-bit, 100 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, error correction circuits, and both serial and parallel system i ...
... The AD7675 is a 16-bit, 100 kSPS, charge redistribution SAR, fully differential analog-to-digital converter that operates from a single 5 V power supply. The part contains a high speed 16-bit sampling ADC, an internal conversion clock, error correction circuits, and both serial and parallel system i ...
DAC2904 数据资料 dataSheet 下载
... The data input ports of the DAC2904 accept a standard positive coding with data bit D13 being the most significant bit (MSB). The converter outputs support a clock rate of up to 125MSPS. The best performance will typically be achieved with a symmetric duty cycle for write and clock; however, the dut ...
... The data input ports of the DAC2904 accept a standard positive coding with data bit D13 being the most significant bit (MSB). The converter outputs support a clock rate of up to 125MSPS. The best performance will typically be achieved with a symmetric duty cycle for write and clock; however, the dut ...
Compliance Voltage
... mA. The counter-electrode voltage was plotted against the measured current, and the slope of the line (dVoltage/dCurrent ) was about 9 Ω. This represents the total resistance between counter and working electrodes. If we assume that the other three voltage drops in Figure 1 are constant or small, th ...
... mA. The counter-electrode voltage was plotted against the measured current, and the slope of the line (dVoltage/dCurrent ) was about 9 Ω. This represents the total resistance between counter and working electrodes. If we assume that the other three voltage drops in Figure 1 are constant or small, th ...
MAX17094 Internal-Switch Boost Regulator with Integrated General Description
... (TFT) liquid-crystal display (LCD) applications. The step-up DC-DC converter is a current-mode regulator that provides the regulated supply voltage for panel source driver ICs. The current-mode architecture provides fast-transient responses to pulsed loads typical of source driver loads. The high sw ...
... (TFT) liquid-crystal display (LCD) applications. The step-up DC-DC converter is a current-mode regulator that provides the regulated supply voltage for panel source driver ICs. The current-mode architecture provides fast-transient responses to pulsed loads typical of source driver loads. The high sw ...
MAX3841 12.5Gbps CML 2 2 Crosspoint Switch ×
... The MAX3841 provides two LVCMOS-compatible select inputs, SEL1 and SEL2. Either data input can be connected to either or both data outputs. The MAX3841 provides two LVCMOS-compatible enable inputs, ENO1 and ENO2, so each output can be disabled independently. The MAX3841 can also be used as a 1:2 dri ...
... The MAX3841 provides two LVCMOS-compatible select inputs, SEL1 and SEL2. Either data input can be connected to either or both data outputs. The MAX3841 provides two LVCMOS-compatible enable inputs, ENO1 and ENO2, so each output can be disabled independently. The MAX3841 can also be used as a 1:2 dri ...
DN254 - LT1806: 325MHz Low Noise Rail-to-Rail SOT-23 Op Amp Saves Board Space
... Why is it necessary to have both low voltage noise and low current noise to achieve low total noise in a large-area photodiode transimpedance amplifier? Because the transimpedance circuit’s noise gain, which applies to voltage noise but not to current noise or resistor noise, rises drastically with ...
... Why is it necessary to have both low voltage noise and low current noise to achieve low total noise in a large-area photodiode transimpedance amplifier? Because the transimpedance circuit’s noise gain, which applies to voltage noise but not to current noise or resistor noise, rises drastically with ...
The small-signal circuit of the feedback circuit is seen in Fig. 31.14
... since the E network is simply a voltage divider relationship. Notice that the open-loop circuit now contains two values of R2 and v f . In this example, since ro was assumed to be infinite, the gain from v 2 to v f 1 will be zero. If ro had not been neglected, the gain from v 2 to v f 1 would h ...
... since the E network is simply a voltage divider relationship. Notice that the open-loop circuit now contains two values of R2 and v f . In this example, since ro was assumed to be infinite, the gain from v 2 to v f 1 will be zero. If ro had not been neglected, the gain from v 2 to v f 1 would h ...
FAN6747 Highly Integrated Green-Mode PWM Controller FA
... The FAN6747 is especially designed for SMPS with peak-current output. It incorporates a cycle-by-cycle current limiting and two-level Over-Current-Protection (OCP) that can handle peak load with a debounce time. Once the current is over the threshold level, it triggers the first counter 15ms and che ...
... The FAN6747 is especially designed for SMPS with peak-current output. It incorporates a cycle-by-cycle current limiting and two-level Over-Current-Protection (OCP) that can handle peak load with a debounce time. Once the current is over the threshold level, it triggers the first counter 15ms and che ...
Lab #4 - Instructional Physics Lab
... frequency, what is the phase difference between the current and the voltage? (Hint see Figure 8.12 in Purcell). For w<
... frequency, what is the phase difference between the current and the voltage? (Hint see Figure 8.12 in Purcell). For w<
MAX1964/MAX1965 Tracking/Sequencing Triple/Quintuple Power-Supply Controllers General Description
... step-down controller and two positive regulator gain blocks. The MAX1965 has one additional positive gain block and one negative regulator gain block. The main synchronous step-down controller generates a highcurrent output that is preset to 3.3V or adjustable from 1.236V to 0.75 ✕ VIN with an exter ...
... step-down controller and two positive regulator gain blocks. The MAX1965 has one additional positive gain block and one negative regulator gain block. The main synchronous step-down controller generates a highcurrent output that is preset to 3.3V or adjustable from 1.236V to 0.75 ✕ VIN with an exter ...
NCP1729 - Switched Capacitor Voltage Inverter
... A zener diode can be used with the shutdown input to provide closed loop regulation performance. This significantly reduces the converter’s output resistance and dramatically enhances the load regulation. For closed loop operation, the desired regulated output voltage must be lower in magnitude than ...
... A zener diode can be used with the shutdown input to provide closed loop regulation performance. This significantly reduces the converter’s output resistance and dramatically enhances the load regulation. For closed loop operation, the desired regulated output voltage must be lower in magnitude than ...
LT1506 LinTech, buck reg, int sw 4.5A, adj or +3.3V.pdf
... the pin with the desired output voltage. The fixed voltage (-3.3) parts have the divider included on the chip and the FB pin is used as a SENSE pin, connected directly to the 3.3V output. Three additional functions are performed by the FB pin. When the pin voltage drops below 1.7V, switch current li ...
... the pin with the desired output voltage. The fixed voltage (-3.3) parts have the divider included on the chip and the FB pin is used as a SENSE pin, connected directly to the 3.3V output. Three additional functions are performed by the FB pin. When the pin voltage drops below 1.7V, switch current li ...
AN109 - Interfacing RF I/Q Modulators with Popular D/A Converters
... to the noise of the LT1565-31, is then 84.2nV/√Hz. Given an RF system impedance of 50Ω, this is 45.5dB above kTB, or –128.5dBm/Hz. Note, however, that this elevation of noise level occurs only within the passband of the active filter. So the broadband output noise level of the modulator is not affect ...
... to the noise of the LT1565-31, is then 84.2nV/√Hz. Given an RF system impedance of 50Ω, this is 45.5dB above kTB, or –128.5dBm/Hz. Note, however, that this elevation of noise level occurs only within the passband of the active filter. So the broadband output noise level of the modulator is not affect ...
LTC3701 - 2-Phase, Low Input Voltage, Dual Step
... 180 degrees out of phase. During normal operation, each external P-channel power MOSFET is turned on when the clock for that channel sets the RS latch, and turned off when the current comparator (ICMP) resets the latch. The peak inductor current at which ICMP resets the RS latch is controlled by the ...
... 180 degrees out of phase. During normal operation, each external P-channel power MOSFET is turned on when the clock for that channel sets the RS latch, and turned off when the current comparator (ICMP) resets the latch. The peak inductor current at which ICMP resets the RS latch is controlled by the ...
LTC3701 - 2-Phase, Low Input Voltage, Dual Step
... 180 degrees out of phase. During normal operation, each external P-channel power MOSFET is turned on when the clock for that channel sets the RS latch, and turned off when the current comparator (ICMP) resets the latch. The peak inductor current at which ICMP resets the RS latch is controlled by the ...
... 180 degrees out of phase. During normal operation, each external P-channel power MOSFET is turned on when the clock for that channel sets the RS latch, and turned off when the current comparator (ICMP) resets the latch. The peak inductor current at which ICMP resets the RS latch is controlled by the ...
MAX1864/MAX1865 xDSL/Cable Modem Triple/Quintuple Output Power Supplies General Description
... the MAX1864 generates three positive outputs, and the MAX1865 generates four positive outputs and one negative output to provide a cost-effective system power supply. The MAX1864 includes a current-mode synchronous step-down controller and two positive regulator gain blocks. The MAX1865 has one addi ...
... the MAX1864 generates three positive outputs, and the MAX1865 generates four positive outputs and one negative output to provide a cost-effective system power supply. The MAX1864 includes a current-mode synchronous step-down controller and two positive regulator gain blocks. The MAX1865 has one addi ...
Power Integrations
... encountered input voltage ranges: 85 to 132 VAC for 100/115 VAC, 195 to 265 VAC for 230 VAC and 85 to 265 VAC for universal input. A ±15% line voltage variation is assumed in all cases. Applications with a different input voltage range can be handled by following the information and methods provided ...
... encountered input voltage ranges: 85 to 132 VAC for 100/115 VAC, 195 to 265 VAC for 230 VAC and 85 to 265 VAC for universal input. A ±15% line voltage variation is assumed in all cases. Applications with a different input voltage range can be handled by following the information and methods provided ...
Integrating ADC
An integrating ADC is a type of analog-to-digital converter that converts an unknown input voltage into a digital representation through the use of an integrator. In its most basic implementation, the unknown input voltage is applied to the input of the integrator and allowed to ramp for a fixed time period (the run-up period). Then a known reference voltage of opposite polarity is applied to the integrator and is allowed to ramp until the integrator output returns to zero (the run-down period). The input voltage is computed as a function of the reference voltage, the constant run-up time period, and the measured run-down time period. The run-down time measurement is usually made in units of the converter's clock, so longer integration times allow for higher resolutions. Likewise, the speed of the converter can be improved by sacrificing resolution.Converters of this type can achieve high resolution, but often do so at the expense of speed. For this reason, these converters are not found in audio or signal processing applications. Their use is typically limited to digital voltmeters and other instruments requiring highly accurate measurements.