Current Integrators
... In proton radiotherapy, dosimeters are used in two distinct ways: as beam monitors, to end the treatment at the prescribed dose, and for QA, usually in arrays, to measure the lateral or depth dose distribution. In either case, considerable thought should be given to the electronics that processes th ...
... In proton radiotherapy, dosimeters are used in two distinct ways: as beam monitors, to end the treatment at the prescribed dose, and for QA, usually in arrays, to measure the lateral or depth dose distribution. In either case, considerable thought should be given to the electronics that processes th ...
Output short-circuit protection on a synchronous rectified flyback
... problem. Then an error flag is asserted, and a timer is started to delay the reaction to a fault. This is because a start-up sequence is also seen as a fault since no feedback signal appears prior to regulation. The timer is there to give a sufficient time for starting up. Typical values are in the ...
... problem. Then an error flag is asserted, and a timer is started to delay the reaction to a fault. This is because a start-up sequence is also seen as a fault since no feedback signal appears prior to regulation. The timer is there to give a sufficient time for starting up. Typical values are in the ...
Interface Circuits Word Document
... transistor as an amplifier we need to use the linear region and avoid the cutoff and saturation regions When the transistor is being used as a switch, we operate in the cut-off and saturation regions of the characteristic, avoiding the linear region. There are two reasons for avoiding the linear reg ...
... transistor as an amplifier we need to use the linear region and avoid the cutoff and saturation regions When the transistor is being used as a switch, we operate in the cut-off and saturation regions of the characteristic, avoiding the linear region. There are two reasons for avoiding the linear reg ...
MAX9155 Low-Jitter, Low-Noise LVDS Repeater in an SC70 Package General Description
... loaded differential characteristic impedance of the bus. For a multidrop bus driven from a point other than the end, terminate each end of the bus with a resistor that matches the loaded differential characteristic impedance of the bus. When terminating at both ends, or for a large number of drops, ...
... loaded differential characteristic impedance of the bus. For a multidrop bus driven from a point other than the end, terminate each end of the bus with a resistor that matches the loaded differential characteristic impedance of the bus. When terminating at both ends, or for a large number of drops, ...
High Speed, ESD-Protected, Full-Duplex, ADM2490E i
... logic side of the interface. Therefore, the part has two main sections: a digital isolation section and a transceiver section (see Figure 21). The driver input signal, which is applied to the TxD pin and referenced to logic ground (GND1), is coupled across an isolation barrier to appear at the trans ...
... logic side of the interface. Therefore, the part has two main sections: a digital isolation section and a transceiver section (see Figure 21). The driver input signal, which is applied to the TxD pin and referenced to logic ground (GND1), is coupled across an isolation barrier to appear at the trans ...
Chapt36_VGo
... 1. Direct Current (DC) Voltages and currents are constants in time. Example: batteries - circuits driven by batteries 2. Transients Voltages and currents change in time after a switch is opened or closed. Changes diminish in time and stop if you wait ...
... 1. Direct Current (DC) Voltages and currents are constants in time. Example: batteries - circuits driven by batteries 2. Transients Voltages and currents change in time after a switch is opened or closed. Changes diminish in time and stop if you wait ...
Comparing Topologies and the (Design) Rules
... decreases as current ripple ratio increases (i.e. L is made smaller). But other parameters, chiefly the RMS current of the output cap, go up. So the best value isthe ‘knee’ corresponding to r of about 0.3 to 0.5. No great improvement in the size of the inductor will take place by increasing the curr ...
... decreases as current ripple ratio increases (i.e. L is made smaller). But other parameters, chiefly the RMS current of the output cap, go up. So the best value isthe ‘knee’ corresponding to r of about 0.3 to 0.5. No great improvement in the size of the inductor will take place by increasing the curr ...
PROJECT TITLE: MPOT – Music Playing over Tesla
... this IC is that the adjusted pulse width remains absolutely constant even if the supply voltage or the adjusted output frequency is changed. Furthermore the TL494CN PWM control unit exhibits really good transient behaviour (steep edges). Internally, the component consists of the required subcomponen ...
... this IC is that the adjusted pulse width remains absolutely constant even if the supply voltage or the adjusted output frequency is changed. Furthermore the TL494CN PWM control unit exhibits really good transient behaviour (steep edges). Internally, the component consists of the required subcomponen ...
percent arcing current used to calculate incident energy on low
... currents of 85% and 100% of the values given by the formula in 1584 to account for the variation in the arcing current that could occur. As noted in Section 2.0, the low magnitude arcing currents can be outside of this range, possibly on the order of 15% of the time. The area of greatest concern ten ...
... currents of 85% and 100% of the values given by the formula in 1584 to account for the variation in the arcing current that could occur. As noted in Section 2.0, the low magnitude arcing currents can be outside of this range, possibly on the order of 15% of the time. The area of greatest concern ten ...
AD8561 数据手册DataSheet 下载
... negative supply rail to within 2.2 V of the positive supply rail. The input common-mode voltage can be found as the average of the voltage at the two inputs of the device. To ensure the fastest response time, care should be taken not to allow the input common-mode voltage to exceed either of these v ...
... negative supply rail to within 2.2 V of the positive supply rail. The input common-mode voltage can be found as the average of the voltage at the two inputs of the device. To ensure the fastest response time, care should be taken not to allow the input common-mode voltage to exceed either of these v ...
erii5 555 timer monostable operation
... charging through the resistor R1 and the 555 output is driven HIGH. ...
... charging through the resistor R1 and the 555 output is driven HIGH. ...
ADM2491E 数据手册DataSheet 下载
... whereas the bus side requires an isolated 5 V supply. The device has current-limiting and thermal shutdown features to protect against output short circuits and situations in which bus contention could cause excessive power dissipation. The ADM2491E is available in a wide body, 16-lead SOIC package ...
... whereas the bus side requires an isolated 5 V supply. The device has current-limiting and thermal shutdown features to protect against output short circuits and situations in which bus contention could cause excessive power dissipation. The ADM2491E is available in a wide body, 16-lead SOIC package ...
Monolithically integrated 10Gbit/s silicon modulator with driver in
... High speed testing is performed by applying a 240mVpp PRBS data stream and DC power to the driver. The RF signal with 1.25V DC bias is applied to one input of the driver. A 1.25V DC level is applied to the other input. Two DC power levels of 2.5V and 4.2V are also applied to the driver. An EDFA is u ...
... High speed testing is performed by applying a 240mVpp PRBS data stream and DC power to the driver. The RF signal with 1.25V DC bias is applied to one input of the driver. A 1.25V DC level is applied to the other input. Two DC power levels of 2.5V and 4.2V are also applied to the driver. An EDFA is u ...
Preliminary Datasheet General Description
... turning on the power switch, the OUT pin will output 30mA source current to support the base current of the power BJT. When turning off the power switch, the resistance between the OUT and GND will become to 5Ω The GND pin is the ground of the IC. When the power BJT is turned off, a fast reverse sin ...
... turning on the power switch, the OUT pin will output 30mA source current to support the base current of the power BJT. When turning off the power switch, the resistance between the OUT and GND will become to 5Ω The GND pin is the ground of the IC. When the power BJT is turned off, a fast reverse sin ...
