.. to the feedback gain to stabilize the circuit and maximize the system bandwidth. The following equation calculates the pole frequency, f P : The following equation determines the zero frequency, f Z : Figure 3. The circuit in Figure 2 ...
.. Darlington pair” ( Ref. 2 ) and in Figure 1. Figure 1. Constant-temperature anemometer with direct power-to-frequency conversion. Figure 1’s anemometer is unusual because it melds the sensor transistor into a direct ...
.. cutting the ripple to a quarter of the single-phase value. That ripple will also be at four times the fundamental frequency, so we are (roughly) sixteen times better off than we were with the Wien bridge. With ...
.. levels down to 0.0003% (3 ppm) can be achieved, so we have one benchmark, though that’s most likely for a spot frequency rather than for a multi-range, fully-tunable device. A practical target is 96 dB or 0.0015%, which is ...
.. optical fiber to indicate the presence of light, its direction of travel, and the presence of combinations of low-frequency test tone modulation. Its purpose was to positively identify a particular optical fiber in a manhole or ...
.. a system's specifications call for a lowpass filter with a steep frequency-cutoff characteristic, an engineer can opt for a “brick-wall”- filter design that features ...
.. turns on the upper LED. If both LEDs must appear to be on, your program can cycle the port pin between one and zero with a frequency greater than 50 Hz. To calculate the value of the resistor, the following formulas apply for Figure 1a: ...
.. consisting of U2b driven by positive feedback. From U2c through C1 and negative feedback through R1, generating: Pump frequency will vary somewhat with component tolerance and loading of the 10 V outputs, but since the clock ...
.. drive waveform, leaving the P-channel FET in its linear operating region for an extended period and thus limiting switching frequency and causing significant power losses in the cascaded FETs. Figure 2. An N-channel FET driver (a) has ...
.. fuse and R1 is the 7D741 varistor to absorb high voltage transients. C2 is a 100 nF X2 rated capacitor to reduce the high-frequency noise and T1 is a common mode choke. BR1 is the Vishay MB6M bridge rectifier and C3 is a 22 ...