PMT Circuits
... Region B: shift results in increased current amplification Region C: saturation occurs as voltage between last dynode and anode goes to zero. If large linear region is desired – could use individual power supplies for each dynode. ...
... Region B: shift results in increased current amplification Region C: saturation occurs as voltage between last dynode and anode goes to zero. If large linear region is desired – could use individual power supplies for each dynode. ...
Bipolar Transistor
... Note the use of capacitors on the input and output to block the DC bias voltage which allows the varying (alternating) signal to pass (refer to Experiment 4). Connect up the circuit shown in Figure 2.2 on your breadboard. Choose RC to be 1k. Take care to identify the base, collector and emitter cor ...
... Note the use of capacitors on the input and output to block the DC bias voltage which allows the varying (alternating) signal to pass (refer to Experiment 4). Connect up the circuit shown in Figure 2.2 on your breadboard. Choose RC to be 1k. Take care to identify the base, collector and emitter cor ...
EGM 180 Take Home Quiz 1
... discussion of an ammeter’s impact on a circuit. Note that an ideal voltmeter has infinite resistance and an ideal ammeter has zero resistance. With that in mind, explain how attempting to measure current by placing an ammeter in parallel with the circuit (as opposed to in series in the circuit) coul ...
... discussion of an ammeter’s impact on a circuit. Note that an ideal voltmeter has infinite resistance and an ideal ammeter has zero resistance. With that in mind, explain how attempting to measure current by placing an ammeter in parallel with the circuit (as opposed to in series in the circuit) coul ...
9 Transistor Inverter Applications I
... under this condition there is no voltage dropped across it and the entire -8.5V appears as a reverse bias across the base emitter junction. This will exceed the maximum reverse bias allowed. The problem can be solved by connecting a diode across the base emitter junction in the opposite direction to ...
... under this condition there is no voltage dropped across it and the entire -8.5V appears as a reverse bias across the base emitter junction. This will exceed the maximum reverse bias allowed. The problem can be solved by connecting a diode across the base emitter junction in the opposite direction to ...
May 2004 Boost Converter Drives 1A White LEDs
... Figure 3 shows the relationship between the output voltage waveform of the LTC3416 and the I/O supply voltage during start-up. Ceramic capacitors offer low cost and low ESR, but many switching regulators have difficulty operating with them because the extremely low ESR can lead to loop instability. ...
... Figure 3 shows the relationship between the output voltage waveform of the LTC3416 and the I/O supply voltage during start-up. Ceramic capacitors offer low cost and low ESR, but many switching regulators have difficulty operating with them because the extremely low ESR can lead to loop instability. ...
Chapter 36 Summary – Magnetism
... (electrons, branches) which move more easily on a (conductor, insulator) than they do on a (conductor, insulator). A negatively charged object has (fewer, more) electrons than a neutral object. Current, which is the flow of (voltage, charge), flows from (high, low) voltage to (high, low) voltage. Th ...
... (electrons, branches) which move more easily on a (conductor, insulator) than they do on a (conductor, insulator). A negatively charged object has (fewer, more) electrons than a neutral object. Current, which is the flow of (voltage, charge), flows from (high, low) voltage to (high, low) voltage. Th ...
200 W, Single Output Power Supply
... flyback topology to minimize the inverter’s peak-toaverage current ratio. Slope compensation for D > 50% is achieved with the unique internal architecture of the NCP1217 controller and the value of resistor R9. The 100 kHz flyback transformer is designed with a compact PQ3230 ferrite core. Voltage f ...
... flyback topology to minimize the inverter’s peak-toaverage current ratio. Slope compensation for D > 50% is achieved with the unique internal architecture of the NCP1217 controller and the value of resistor R9. The 100 kHz flyback transformer is designed with a compact PQ3230 ferrite core. Voltage f ...
Pulse Generator For 12v Lead Acid Battery Desulfation
... should protect it reasonably well from the pulses. Increasing L4 and L5 is permissible. L5 will get hot with heavy current pulses. ...
... should protect it reasonably well from the pulses. Increasing L4 and L5 is permissible. L5 will get hot with heavy current pulses. ...
Astable multivibrator
... When T1 is on O1 is at 0.2 V and B1 is at 0.7 V T2 is off and O2 is at 6 V and B2 is at –5.3 V C1 charges up through R1 and C2 charges up through R4 As soon as B2 reaches 0.7 V T2 switches on Note that C1 charges slowly through the large resistor R1 while C2 charges more quickly through the small r ...
... When T1 is on O1 is at 0.2 V and B1 is at 0.7 V T2 is off and O2 is at 6 V and B2 is at –5.3 V C1 charges up through R1 and C2 charges up through R4 As soon as B2 reaches 0.7 V T2 switches on Note that C1 charges slowly through the large resistor R1 while C2 charges more quickly through the small r ...
Physics 104 Lab Handout #8
... resistors connected to the Base form a voltage divider which applies the correct bias voltage to the Base-Emitter junction. First, make some observations with no input signal connected. Predict and measure the Base to ground DC voltage. At this point it is important to mention that any measurement ...
... resistors connected to the Base form a voltage divider which applies the correct bias voltage to the Base-Emitter junction. First, make some observations with no input signal connected. Predict and measure the Base to ground DC voltage. At this point it is important to mention that any measurement ...
Operational_Amplifiers
... non-inverting and inverting inputs; use operational amplifiers which require a single power supply, i.e. 3140 IC; use an operational amplifier as a comparator and an inverting amplifier; know how to limit the gain of an operational amplifier by using an input resistor and a feedback resistor (negati ...
... non-inverting and inverting inputs; use operational amplifiers which require a single power supply, i.e. 3140 IC; use an operational amplifier as a comparator and an inverting amplifier; know how to limit the gain of an operational amplifier by using an input resistor and a feedback resistor (negati ...
Transistor Switching Times Delay Time
... I L <= b x 2.6mA If this value is exceeded – no longer in saturation and output logic LO voltage level not maintained within specified limits. (Fig. shows Q3 leaving saturation at higher load current). There is thus a limit on allowable load current that is directly related to the gate’s maximum fan ...
... I L <= b x 2.6mA If this value is exceeded – no longer in saturation and output logic LO voltage level not maintained within specified limits. (Fig. shows Q3 leaving saturation at higher load current). There is thus a limit on allowable load current that is directly related to the gate’s maximum fan ...
Electric Current
... With the current moving counter clockwise because of the direction of the voltage sources. Now in order to calculate the potential difference between B and A, all we have to do is calculate the voltage between these points: VBA = ε1 − I(R1 + R2 ) = 1 − I = 0.515 V ...
... With the current moving counter clockwise because of the direction of the voltage sources. Now in order to calculate the potential difference between B and A, all we have to do is calculate the voltage between these points: VBA = ε1 − I(R1 + R2 ) = 1 − I = 0.515 V ...
