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Radiocrafts

Image 01

Path two is to a 3.58-MHz trap to remove the color information from the signal. Color information rides on top of luminance information, and all I wanted to do was look at the brightness of a spot on the screen. If I left the color information in the signal, the next stage would have had a very difficult time dealing with it. Next, it was on to a very fast (7-nanosecond) comparator to generate the white/not white” signal.

Radios

Packet Digital

Image 02

Unlike passive harmonic filters, active filters are installed in parallel to the power line (shunt filters). Note that only topologies B and C are represented in Figure 7. Topology A is not advisable because active shunt filters require magnetic components on the load for economic reasons. This is obvious from another look at the waveforms in Figure 2. If there were no magnetic components (topology A) the required corrective current of the active filter would be so high that the filter would need to be significantly oversized.

Stellar Labs

Finder Relays, Inc.

Image 03

Unlike passive harmonic filters, active filters are installed in parallel to the power line (shunt filters). Note that only topologies B and C are represented in Figure 7. Topology A is not advisable because active shunt filters require magnetic components on the load for economic reasons. This is obvious from another look at the waveforms in Figure 2. If there were no magnetic components (topology A) the required corrective current of the active filter would be so high that the filter would need to be significantly oversized.

Maple Systems
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