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Ohmic Drop: Part 2
Ohmic Drop: Part 2

... In the previous application note the concept of ohmic drop and ohmic resistance was explained and some strategies for reducing the errors due to ohmic drop were mentioned. As explained earlier, these errors can be reduced but cannot be totally eliminated. In such cases it is important to measure and ...
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MAX1907A/MAX1981A Quick-PWM Master Controllers for Voltage- Positioned CPU Core Power Supplies (IMVP-IV)
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... The MAX1907A/MAX1981A are single-phase, QuickPWM™ master controllers for IMVP-IV™ CPU core supplies. Multi-phase operation is achieved using a Quick-PWM slave controller (MAX1980). Multiphase operation reduces input ripple current requirements and output voltage ripple while easing component selecti ...
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... While bypass capacitors at the inputs pins are not required, a 2.2 μF or larger capacitors for CIN is recommended in almost all applications. The bypass capacitors should be placed as physically close to the device’s input pins to be effective to minimize transients on the input. Ceramic capacitors ...
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... A five-stage ring oscillator is shown in Figure 2. Each stage is comprised of a CMOS inverter like the one shown in Figure 1. The output node of every inverter stage has a number of internal capacitances connected to it — e.g., the drain-to-substrate junction capacitance of both the NMOS and the PMO ...
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... With the engine off, when the master switch (Alt & Bat) is turned on, battery voltage (12V) is applied to the input of the ACU through the 5 Amp FLD circuit breaker, ALT switch and the OV Relay. The applied voltage causes current to flow to the alternator’s field through the ACU to excite the altern ...
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Valve RF amplifier



A valve RF amplifier (UK and Aus.) or tube amplifier (U.S.), is a device for electrically amplifying the power of an electrical radio frequency signal.Low to medium power valve amplifiers for frequencies below the microwaves were largely replaced by solid state amplifiers during the 1960s and 1970s, initially for receivers and low power stages of transmitters, transmitter output stages switching to transistors somewhat later. Specially constructed valves are still in use for very high power transmitters, although rarely in new designs.
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