Implementation of Digitally Controlled Phase Shift Full Bridge
... current increases since the phase margin decreases. Consequently, the gain of a controller must be changed in accordance with the load current to keep the converter stable while sufficient bandwidth and phase margin are preserved. As well as the gain of the controller, the location of compensating z ...
... current increases since the phase margin decreases. Consequently, the gain of a controller must be changed in accordance with the load current to keep the converter stable while sufficient bandwidth and phase margin are preserved. As well as the gain of the controller, the location of compensating z ...
Dispersion-compensating en/decoder for a time
... The total dispersion, i.e., 360 ps/nm, is equal to the dispersion of transmission in 20-km SMF. For comparison, the en/decoders without dispersion-compensating function and with out-band dispersion-compensating function are also simulated. Figure 3 shows their spectral properties. To validate the de ...
... The total dispersion, i.e., 360 ps/nm, is equal to the dispersion of transmission in 20-km SMF. For comparison, the en/decoders without dispersion-compensating function and with out-band dispersion-compensating function are also simulated. Figure 3 shows their spectral properties. To validate the de ...
I. Introduction
... Since the circuit is current controlled, we are interested in the characteristics by varying the value of the controlled current I o . Fig. 12 presents the variation of the intrinsic Z x (see Fig. 9(d)) as a function of the dc bias current I o . Fig. 13 gives the values Rx obtained from SPICE simul ...
... Since the circuit is current controlled, we are interested in the characteristics by varying the value of the controlled current I o . Fig. 12 presents the variation of the intrinsic Z x (see Fig. 9(d)) as a function of the dc bias current I o . Fig. 13 gives the values Rx obtained from SPICE simul ...
Zener Diode Exercise Number 2
... through the Zener Diode of at least 10 mA is required. With 4.7 Volts across the Zener and a current of 10 mA our wattage for the Zener is only around 50 mW, so even a 500 mW Zener Diode will handle the load for us. We shop for a 4.7 Volt, 500 mW Zener diode and come up with a 1N5230B. Looking at th ...
... through the Zener Diode of at least 10 mA is required. With 4.7 Volts across the Zener and a current of 10 mA our wattage for the Zener is only around 50 mW, so even a 500 mW Zener Diode will handle the load for us. We shop for a 4.7 Volt, 500 mW Zener diode and come up with a 1N5230B. Looking at th ...
wide bandwidth low cost saw notch filters
... Figure 6 shows the transmission performance of the Two Element SAW notch filter, as generated by the circuit simulation program using a COM analysis for the SAW. The notch filter has a total notch depth of over -35dB, a -20dB stopband width of over 100 kHz, a -3dB bandwidth of less than 280 kHz, and ...
... Figure 6 shows the transmission performance of the Two Element SAW notch filter, as generated by the circuit simulation program using a COM analysis for the SAW. The notch filter has a total notch depth of over -35dB, a -20dB stopband width of over 100 kHz, a -3dB bandwidth of less than 280 kHz, and ...
Chapter 6: Voltage Regulator
... source of DC voltage but usually the actual DC voltage source is a power supply. There are many types of power supply. Most are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronics circuits and other devices. A more reliable method of obtaining D ...
... source of DC voltage but usually the actual DC voltage source is a power supply. There are many types of power supply. Most are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronics circuits and other devices. A more reliable method of obtaining D ...
Chapter 6: Voltage Regulator
... source of DC voltage but usually the actual DC voltage source is a power supply. There are many types of power supply. Most are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronics circuits and other devices. A more reliable method of obtaining D ...
... source of DC voltage but usually the actual DC voltage source is a power supply. There are many types of power supply. Most are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronics circuits and other devices. A more reliable method of obtaining D ...
Si and InGaAs Low-Light Analog APD Receiver Modules
... C30645EH and C30662EH products. These detectors provide very good response between 830 and 1550 nm and very fast rise- and fall-times at all wavelengths. Just like the C30659 series, the preamplifier section of the LLAM module uses a very low noise GaAs FET front end designed to operate at higher tr ...
... C30645EH and C30662EH products. These detectors provide very good response between 830 and 1550 nm and very fast rise- and fall-times at all wavelengths. Just like the C30659 series, the preamplifier section of the LLAM module uses a very low noise GaAs FET front end designed to operate at higher tr ...
Principles of Electronic Communication Systems
... These amplifiers are used for power amplification in the form of drivers, frequency multipliers, and final amplifiers. Class C amplifiers are biased so they conduct for less than 180° of the input. Current flows through a class C amplifier in short pulses, and a resonant tuned circuit is used ...
... These amplifiers are used for power amplification in the form of drivers, frequency multipliers, and final amplifiers. Class C amplifiers are biased so they conduct for less than 180° of the input. Current flows through a class C amplifier in short pulses, and a resonant tuned circuit is used ...
Standing wave ratio
In radio engineering and telecommunications, standing wave ratio (SWR) is a measure of impedance matching of loads to the characteristic impedance of a transmission line or waveguide. Impedance mismatches result in standing waves along the transmission line, and SWR is defined as the ratio of the partial standing wave's amplitude at an antinode (maximum) to the amplitude at a node (minimum) along the line.The SWR is usually thought of in terms of the maximum and minimum AC voltages along the transmission line, thus called the voltage standing wave ratio or VSWR (sometimes pronounced ""viswar""). For example, the VSWR value 1.2:1 denotes an AC voltage due to standing waves along the transmission line reaching a peak value 1.2 times that of the minimum AC voltage along that line. The SWR can as well be defined as the ratio of the maximum amplitude to minimum amplitude of the transmission line's currents, electric field strength, or the magnetic field strength. Neglecting transmission line loss, these ratios are identical.The power standing wave ratio (PSWR) is defined as the square of the VSWR, however this terminology has no physical relation to actual powers involved in transmission.The SWR can be measured with an instrument called an SWR meter. Since SWR is defined relative to the transmission line's characteristic impedance, the SWR meter must be constructed for that impedance; in practice most transmission lines used in these applications are coaxial cables with an impedance of either 50 or 75 ohms. Checking the SWR is a standard procedure in a radio station, for instance, to verify impedance matching of the antenna to the transmission line (and transmitter). Unlike connecting an impedance analyzer (or ""impedance bridge"") directly to the antenna (or other load), the SWR does not measure the actual impedance of the load, but quantifies the magnitude of the impedance mismatch just performing a measurement on the transmitter side of the transmission line.