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searching for Crystal filter 12 found (24 total)

Light valve (324 words) [view diff] exact match in snippet view article find links to article

filled with liquid crystals. By changing the voltage applied to this crystal filter, it will work as a switching polarising filter, giving different gray

National Radio Company (648 words) [view diff] exact match in snippet view article find links to article

top-of-the-line HRO receiver. This radio included two RF stages and a crystal filter. The distinctive dial allowed kc (kHz) resettability and was a National

Explorer 8 (1,761 words) [view diff] exact match in snippet view article find links to article

Every time the probe oscillator swept past 6.5 MHz, a signal passed a crystal filter. Two pulses occurred during each 80-ms sweep, but the times the pulses

Hammarlund Super Pro (758 words) [view diff] exact match in snippet view article find links to article

Super-Pro was first offered in two basic models, with and without a crystal filter. The SP-400 Super Pros were very similar to the SP-200's with the differences

Lenny Lipton (1,635 words) [view diff] exact match in snippet view article find links to article

ZScreen polarization filter that uses a circularly polarized liquid crystal filter placed in front of a projector, which can then display both the left

Yaesu FT-One (764 words) [view diff] exact match in snippet view article find links to article

a list price of $2800.00 US. The receiver is filtered by a 22 pole crystal filter with switchable extra 8 and 6 pole narrow band CW filters, a 14 pole

National HRO (1,268 words) [view diff] exact match in snippet view article find links to article

only one coil not individually aligned to the receiver and lacking crystal filter, phasing control, and signal strength meter) RAS (1939-?, HRO-Jr for

Dust reduction system (1,313 words) [view diff] exact match in snippet view article find links to article

filter vibrating types. A crude analogy to compare it to the piezo crystal filter method is something like hitting or banging the sensor to displace the

Polarized 3D system (2,554 words) [view diff] exact match in snippet view article find links to article

[citation needed] In the case of RealD 3D a circularly polarizing liquid crystal filter which can switch polarity 144 times per second is placed in front of

Hallicrafters (2,058 words) [view diff] exact match in snippet view article find links to article

general coverage (560 kHz-30 MHz/4 bands), double conversion, S-meter, crystal filter, amateur bandspread (10-80m), dual tuning dials, RF and audio gain controls

Yaesu FT-101 (1,677 words) [view diff] exact match in snippet view article find links to article

these modes is 130 W (SSB), 90 W (CW), 40 W (AM). The standard I.F. crystal filter used for transmission passed 300 Hz to 2700 Hz. Many station accessories

3D film (15,358 words) [view diff] exact match in snippet view article find links to article

binocular fusion. In the case of RealD a circularly polarizing liquid crystal filter which can switch polarity 144 times per second is placed in front of