Electronically Scanned Composite Right/Left Handed Microstrip
... and is the period of the structure. Equation (1) shows that the radiation angle is determined by the guided wavelength or by the period . Horn et al. [8] electronically changed by modulating p–i–n diodes in a dielectric waveguide antenna, but the resulting antenna allows only two discrete radiation ...
... and is the period of the structure. Equation (1) shows that the radiation angle is determined by the guided wavelength or by the period . Horn et al. [8] electronically changed by modulating p–i–n diodes in a dielectric waveguide antenna, but the resulting antenna allows only two discrete radiation ...
Gain Equalization Improves Flyback Performance
... In order to tolerate a wide gain variation, it is generally required that the control loop have a very low-frequency zero to ensure single-pole compensation at the zero crossing (the single, dominant pole is usually the output capacitor). The overall effect of the low-frequency zero is a long respon ...
... In order to tolerate a wide gain variation, it is generally required that the control loop have a very low-frequency zero to ensure single-pole compensation at the zero crossing (the single, dominant pole is usually the output capacitor). The overall effect of the low-frequency zero is a long respon ...
inverter - updated
... dc-to-ac converters are known as inverters The function of an inverter is to change the dc input voltage to an ac output voltage of desired magnitude and frequency The output voltage waveforms of ideal inverters should be sinusoidal However, the output of practical inverters contains harmonics For h ...
... dc-to-ac converters are known as inverters The function of an inverter is to change the dc input voltage to an ac output voltage of desired magnitude and frequency The output voltage waveforms of ideal inverters should be sinusoidal However, the output of practical inverters contains harmonics For h ...
Nanoradian sensitivity Kerr effect apparatus
... sources of spurious signals: (1) electrical pick up, (2) occultation effects, and (3) window Kerr and stress birefringence effects. Electrical pick up is eliminated by breaking ground loops associated with the ac high voltage (radiative coupling is insignificant at 2 kHz). Floating the power amplifi ...
... sources of spurious signals: (1) electrical pick up, (2) occultation effects, and (3) window Kerr and stress birefringence effects. Electrical pick up is eliminated by breaking ground loops associated with the ac high voltage (radiative coupling is insignificant at 2 kHz). Floating the power amplifi ...
Integrated circuit for high-frequency ultrasound annular array
... of one delay cell that was adjusted for a maximum delay of 2.4 ns. The dashed line indicates the theoretical frequency response of an RC-CR circuit with C and R equal to 0.25 pF and 4100 Ohms, respectively. These values are approximately optimum in terms of gain flatness for this value of delay when ...
... of one delay cell that was adjusted for a maximum delay of 2.4 ns. The dashed line indicates the theoretical frequency response of an RC-CR circuit with C and R equal to 0.25 pF and 4100 Ohms, respectively. These values are approximately optimum in terms of gain flatness for this value of delay when ...
Datasheet
... VDD to select a scalar multiplier of 1Hz/°K. The MAX6577 converts the ambient temperature into a square wave with a frequency that is equal to the absolute temperature of the device in Hertz. The 8051 μC reads the frequency of the square-wave output of the MAX6577 into Timer 0 and displays the tempe ...
... VDD to select a scalar multiplier of 1Hz/°K. The MAX6577 converts the ambient temperature into a square wave with a frequency that is equal to the absolute temperature of the device in Hertz. The 8051 μC reads the frequency of the square-wave output of the MAX6577 into Timer 0 and displays the tempe ...
RevF_093B
... analog scan rates must be adjusted accordingly. This can be achieved by multiplying the rates (table above) by the factor (3 seconds / tr) where / tr is the response time in seconds. For example, if tr is 30 seconds, (3 seconds / tr) is 0.1. The rate for the 1 kHz to 10 kHz range becomes 3.33 Hz/sec ...
... analog scan rates must be adjusted accordingly. This can be achieved by multiplying the rates (table above) by the factor (3 seconds / tr) where / tr is the response time in seconds. For example, if tr is 30 seconds, (3 seconds / tr) is 0.1. The rate for the 1 kHz to 10 kHz range becomes 3.33 Hz/sec ...
ics844071i.pdf
... The aforementioned trademarks, HiPerClockS and FemtoClocks are trademarks of Integrated Circuit Systems, Inc. or its subsidiaries in the United States and/or other countries. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorp ...
... The aforementioned trademarks, HiPerClockS and FemtoClocks are trademarks of Integrated Circuit Systems, Inc. or its subsidiaries in the United States and/or other countries. While the information presented herein has been checked for both accuracy and reliability, Integrated Circuit Systems, Incorp ...
Evaluates: MAX14591 MAX14591 Evaluation Kit General Description Quick Start
... power supply connected between the VBUS test point (TP26) and GND, or the USB bus provided at the microUSB connector (J1). The power supply is then converted into three independent voltages. The pin-selectable output voltage of the MAX8902A (U3) provides a 4.6V supply for peripherals such as the NC7 ...
... power supply connected between the VBUS test point (TP26) and GND, or the USB bus provided at the microUSB connector (J1). The power supply is then converted into three independent voltages. The pin-selectable output voltage of the MAX8902A (U3) provides a 4.6V supply for peripherals such as the NC7 ...
Frequency-selective MEMS for miniaturized low
... apparent upon the recognition that the above interference phenomena arise in conventional architectures only because such architectures allow adjacent-channel signals to pass through the RF filter and reach the LNA and mixer. If these signals were instead eliminated at the outset by a much more sele ...
... apparent upon the recognition that the above interference phenomena arise in conventional architectures only because such architectures allow adjacent-channel signals to pass through the RF filter and reach the LNA and mixer. If these signals were instead eliminated at the outset by a much more sele ...
ACN ‐ HIFAS Executive Summary
... Where S(ω) = power spectrum and R(τ) = autocorrelation function For the (digital) autocorrelation function estimation, the digitized signal is delayed in a number of discrete steps, and the delayed samples are multiplied with an un-delayed version of the same signal. The products from the multiplica ...
... Where S(ω) = power spectrum and R(τ) = autocorrelation function For the (digital) autocorrelation function estimation, the digitized signal is delayed in a number of discrete steps, and the delayed samples are multiplied with an un-delayed version of the same signal. The products from the multiplica ...
Heterodyne
Heterodyning is a radio signal processing technique invented in 1901 by Canadian inventor-engineer Reginald Fessenden, in which new frequencies are created by combining or mixing two frequencies. Heterodyning is used to shift one frequency range into another, new one, and is also involved in the processes of modulation and demodulation. The two frequencies are combined in a nonlinear signal-processing device such as a vacuum tube, transistor, or diode, usually called a mixer. In the most common application, two signals at frequencies f1 and f2 are mixed, creating two new signals, one at the sum f1 + f2 of the two frequencies, and the other at the difference f1 − f2. These new frequencies are called heterodynes. Typically only one of the new frequencies is desired, and the other signal is filtered out of the output of the mixer. Heterodynes are related to the phenomenon of ""beats"" in acoustics.A major application of the heterodyne process is in the superheterodyne radio receiver circuit, which is used in virtually all modern radio receivers.