A Simple Control Scheme for Single
... conversion. A generalized switching logic for different frequency conversions has been developed. A sinusoidal pulse width modulation (SPWM) technique is proposed using low cost operational amplifiers and logic gates for the operation of SPMC. Inductive loads results spikes in the output for which s ...
... conversion. A generalized switching logic for different frequency conversions has been developed. A sinusoidal pulse width modulation (SPWM) technique is proposed using low cost operational amplifiers and logic gates for the operation of SPMC. Inductive loads results spikes in the output for which s ...
A 2-V 2-GHz BJT Variable Frequency Oscillator - Solid
... absorbed by the extra energy loss introduced by the largesignal nonlinear effects. The major nonlinear phenomena in the VFO occur when Q7 (or Q8) enters the cut-off region, and when Q8 (or Q7) enters the saturation region. If the two current sources in the NIC, I3, and I4, are large enough so that ...
... absorbed by the extra energy loss introduced by the largesignal nonlinear effects. The major nonlinear phenomena in the VFO occur when Q7 (or Q8) enters the cut-off region, and when Q8 (or Q7) enters the saturation region. If the two current sources in the NIC, I3, and I4, are large enough so that ...
bias-splitter.pdf
... Bias-splitter resistors are the resistors that feed the bias voltage to the output tube grids, right? According to 6L6 data sheets, the grid circuit shouldn't have more than 100K for fixed bias, but a lot of guitar amps seem to have much more than that. From what I understand, lowering these resisto ...
... Bias-splitter resistors are the resistors that feed the bias voltage to the output tube grids, right? According to 6L6 data sheets, the grid circuit shouldn't have more than 100K for fixed bias, but a lot of guitar amps seem to have much more than that. From what I understand, lowering these resisto ...
SELCO T-Line Generator Control, Protection and Monitoring Short Form Catalogue
... The SELCO T-Line range includes various Auto Synchronizers and Load Sharers for load/power control. The Auto Synchronizers perform automatic synchronization of incoming generators in a minimum of time. The Load Sharers provide automatic load sharing and system frequency control for generators runnin ...
... The SELCO T-Line range includes various Auto Synchronizers and Load Sharers for load/power control. The Auto Synchronizers perform automatic synchronization of incoming generators in a minimum of time. The Load Sharers provide automatic load sharing and system frequency control for generators runnin ...
Design Issues for Direct-Conversion Wireless Radios
... Solutions include complex algorithms to generate AGC from baseband, high dynamic range circuitry Figure 2 · Two signal paths and quadrature (90º) phase shifts comprise a that requires little AGC, and the use typical D-C circuit used in current wireless products. of logarithmic amplifiers that compre ...
... Solutions include complex algorithms to generate AGC from baseband, high dynamic range circuitry Figure 2 · Two signal paths and quadrature (90º) phase shifts comprise a that requires little AGC, and the use typical D-C circuit used in current wireless products. of logarithmic amplifiers that compre ...
stripfet iii and optimal choice of mosfets in high current vrms
... resistance is mandatory. Several aspects have to be considered because the thermal resistance values used in the data sheet refers to a well defined external environment that is generally very different from the final application one. It must be taken into account the real copper area that performs ...
... resistance is mandatory. Several aspects have to be considered because the thermal resistance values used in the data sheet refers to a well defined external environment that is generally very different from the final application one. It must be taken into account the real copper area that performs ...
... An electric power system is a network of electrical components used to supply, transmit and use electric power. It is the network that supplies a region's homes and industry with power - for sizable regions, this power system is known as the grid and can be broadly divided into the generators that s ...
Evaluates: MAX1856 MAX1856 Evaluation Kit SLIC Power Supply General Description
... and tested surface-mount circuit board that contains an inverting transformer flyback DC-DC converter. The circuit is configured for two output voltages simultaneously: a -72V that can supply up to 100mA and a -24V that can supply up to 400mA. The input voltage may range from +8V to +24V. The circui ...
... and tested surface-mount circuit board that contains an inverting transformer flyback DC-DC converter. The circuit is configured for two output voltages simultaneously: a -72V that can supply up to 100mA and a -24V that can supply up to 400mA. The input voltage may range from +8V to +24V. The circui ...
Exposure Level Tester ELT-400
... any knowledge about the waveform or the duty cycle. Pulse signal measurements are also possible. Different evaluation patterns are occasionally specified in the standard for some selected pulse waveforms. These patterns (valid for all imaginable waveforms) are directly handled by EXPOSURE STD mode. ...
... any knowledge about the waveform or the duty cycle. Pulse signal measurements are also possible. Different evaluation patterns are occasionally specified in the standard for some selected pulse waveforms. These patterns (valid for all imaginable waveforms) are directly handled by EXPOSURE STD mode. ...
Utility frequency
The utility frequency, (power) line frequency (American English) or mains frequency (British English) is the frequency of the oscillations of alternating current (AC) in an electric power grid transmitted from a power plant to the end-user. In large parts of the world this is 50 Hz, although in the Americas and parts of Asia it is typically 60 Hz. Current usage by country or region is given in the list of mains power around the world.During the development of commercial electric power systems in the late 19th and early 20th centuries, many different frequencies (and voltages) had been used. Large investment in equipment at one frequency made standardization a slow process. However, as of the turn of the 21st century, places that now use the 50 Hz frequency tend to use 220–240 V, and those that now use 60 Hz tend to use 100–127 V. Both frequencies coexist today (Japan uses both) with no great technical reason to prefer one over the other and no apparent desire for complete worldwide standardization.Unless specified by the manufacturer to operate on both 50 and 60 Hz, appliances may not operate efficiently or even safely if used on anything other than the intended frequency.