Piezoelectric Accelerometers
... problem, shear type accelerometers should be chosen for low frequency measurements. In practice, they are approximately 100 times less sensitive to temperature transients than compression sensors. Bender systems are midway between the other two systems in terms of sensitivity to temperature transien ...
... problem, shear type accelerometers should be chosen for low frequency measurements. In practice, they are approximately 100 times less sensitive to temperature transients than compression sensors. Bender systems are midway between the other two systems in terms of sensitivity to temperature transien ...
74VHC4046 CMOS Phase Lock Loop
... PLL into lock with 0 phase difference between the VCO output and the signal input positive waveform edges. Figure 6 shows some typical loop waveforms. First assume that the signal input phase is leading the comparator input. This means that the VCO’s frequency must be increased to bring its leading ...
... PLL into lock with 0 phase difference between the VCO output and the signal input positive waveform edges. Figure 6 shows some typical loop waveforms. First assume that the signal input phase is leading the comparator input. This means that the VCO’s frequency must be increased to bring its leading ...
74VHC4046 CMOS Phase Lock Loop
... PLL into lock with 0 phase difference between the VCO output and the signal input positive waveform edges. Figure 6 shows some typical loop waveforms. First assume that the signal input phase is leading the comparator input. This means that the VCO’s frequency must be increased to bring its leading ...
... PLL into lock with 0 phase difference between the VCO output and the signal input positive waveform edges. Figure 6 shows some typical loop waveforms. First assume that the signal input phase is leading the comparator input. This means that the VCO’s frequency must be increased to bring its leading ...
File
... It has been found in our laboratory that deeply subliminal atmospheric acoustic pulses with frequency near 1/2 Hz can evoke in a human subject a nervous system response that includes ptosis of the eyelids, relaxation, drowsiness, the feeling of pressure at a centered spot on the brow, seeing moving ...
... It has been found in our laboratory that deeply subliminal atmospheric acoustic pulses with frequency near 1/2 Hz can evoke in a human subject a nervous system response that includes ptosis of the eyelids, relaxation, drowsiness, the feeling of pressure at a centered spot on the brow, seeing moving ...
Trilogy Linear
... relationships between certain motor parameters, show how some values differ depending on the winding type of the motor, and show how some parameters are not dependent on the winding type. These formulas and relationships will then be compared with experimentally measured values to gauge their accura ...
... relationships between certain motor parameters, show how some values differ depending on the winding type of the motor, and show how some parameters are not dependent on the winding type. These formulas and relationships will then be compared with experimentally measured values to gauge their accura ...
Optimizing 1200V IGBT Modules for High Frequency Applications
... (ESW(off)) and on state voltage drop (VCE(sat)) in IGBT chip design is well known. Standard industrial IGBT modules are typically optimized for motor drive and similar applications in which the carrier frequency is typically 10KHz or less. For these applications conduction losses tend to dominate so ...
... (ESW(off)) and on state voltage drop (VCE(sat)) in IGBT chip design is well known. Standard industrial IGBT modules are typically optimized for motor drive and similar applications in which the carrier frequency is typically 10KHz or less. For these applications conduction losses tend to dominate so ...
AD8007
... Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +125°C Operating Temperature Range . . . . . . . . . . . –40°C to +85°C Lead Temperature Range (soldering 10 sec) . . . . . . . . . 300°C ...
... Storage Temperature . . . . . . . . . . . . . . . . . . –65°C to +125°C Operating Temperature Range . . . . . . . . . . . –40°C to +85°C Lead Temperature Range (soldering 10 sec) . . . . . . . . . 300°C ...
LT5568-2 - GSM/EDGE Optimized, High Linearity Direct Quadrature Modulator.
... BBMQ. These voltage signals are converted to currents and translated to RF frequency by means of double-balanced up-converting mixers. The mixer outputs are combined in an RF output balun, which also transforms the output impedance to 50Ω. The center frequency of the resulting RF signal is equal to ...
... BBMQ. These voltage signals are converted to currents and translated to RF frequency by means of double-balanced up-converting mixers. The mixer outputs are combined in an RF output balun, which also transforms the output impedance to 50Ω. The center frequency of the resulting RF signal is equal to ...
Chirp spectrum
The spectrum of a chirp pulse describes its characteristics in terms of its frequency components. This frequency-domain representation is an alternative to the more familiar time-domain waveform, and the two versions are mathematically related by the Fourier transform. The spectrum is of particular interest when pulses are subject to signal processing. For example, when a chirp pulse is compressed by its matched filter, the resulting waveform contains not only a main narrow pulse but, also, a variety of unwanted artifacts many of which are directly attributable to features in the chirp's spectral characteristics. The simplest way to derive the spectrum of a chirp, now computers are widely available, is to sample the time-domain waveform at a frequency well above the Nyquist limit and call up an FFT algorithm to obtain the desired result. As this approach was not an option for the early designers, they resorted to analytic analysis, where possible, or to graphical or approximation methods, otherwise. These early methods still remain helpful, however, as they give additional insight into the behavior and properties of chirps.