cancellation circuit

cancellation circuit

[kan·sə′lā·shən ‚sər·kət]
(electronics)
A circuit used in providing moving-target indication on a plan position indicator scope; cancels constant-amplitude fixed-target pulses by subtraction of successive pulse trains.
References in periodicals archive ?
As can be seen, at the beginning, the offset cancellation circuit is interim and setting the output of the DCCs and after this transition time the output signal is reliable.
In this paper, we presented the design and testing for an unprecedented ALE heart sound cancellation circuit developed on the FPGA DE2-70 education board for electronic stethoscopes.
An integrated dark current cancellation circuit enables accurate sensing below 0.01 lux.
A specular reflection cancellation circuit operates in conjunction with AGC logic to eliminate reading errors caused by highly reflective backgrounds.
The feedforward linearizer consists of two fundamental circuits -- the signal cancellation circuit and the error cancellation circuit.
Figure 3 shows a detailed view of the readout channel, which includes a dark current cancellation circuit, switched-capacitor integrator, and sample-and-hold circuit.
The ICMs include a magnetic component similar to Pulse's discrete Starmagnetic[TM] component H1260, and it has an optional resistor capacitor noise cancellation circuit with alternative shield configurations for improving system compliance to worldwide EMC standards.
Feed-forward linearization really utilizes two circuits: an input signal cancellation circuit and a distortion (or error) cancellation circuit.
TABLE I PERFORMANCE OF THE MIXERS AND THEIR 0[degrees] + 180[degrees] SECOND-ORDER CANCELLATION CIRCUIT IF input (MHz) 869 to 895 LO input (MHz) 1060 to 1100 RF output (MHz) 1930 to 1990 Single-mixer LO drive (dBm) 18 Second-order cancellation (dBm) 21 Mixer 1 Mixer 2 Cancellation Circuit Conversion loss (dB) 7.5 7.6 8.5 Input [IP.sub.3] (dBm) 38 37 42 P1dB (dBm) 23 23 27 L-R isolation (dB) 26 27 52 L-I isolation (dB) 30 30 40
ams engineering experts worked in close collaboration with FIIL to perform accurate simulation and modeling of the Diva Pros mechanical design, enabling it to match the noise cancellation circuits operation to the headphones passive acoustic characteristics.
For example, one can implement the above self-interference cancellation idea completely in analog domain using noise cancellation circuits reported by Radunovic et al.
A voice network can be retrofitted with echo cancellation circuits, but these require expensive and difficult infrastructure modifications, which increase the cost of implementing an ATM network.