second detector

second detector

[′sek·ənd di′tek·tər]
(electronics)
The detector that separates the intelligence signal from the intermediate-frequency signal in a superheterodyne receiver.
References in periodicals archive ?
The detector to be purchased, along with a second detector already in the possession of phe, need to be cooled to very low temperatures in order to operate and so it will also be necessary to purchase two specialist detector cooler units.
Two Zener Diode detectors were oriented in inertial space so that the flow passing first through one detector and subsequently the second detector would produce correlated current output.
When the device passes a second detector, an algorithm is performed using the time stamps and the unique identifier to arrive at the travel time that is displayed on the boards," Ms.
The reader includes an opening into which the holographic element may be positioned, a light source, a first detector positioned at a first predetermined distance from the location of the holographic element when the holographic element is positioned in the opening, and a second detector positioned at a second predetermined distance from the location of the holographic element when the holographic element is positioned in the opening.
Likewise, the volume from the last pulse to when the second detector is activated can be determined.
When the shadow of a bullet passes over the detector it starts a fast clock, and when the second detector is tripped it stops.
To show that not more than one photon was produced per pulse, the photon stream was directed onto a beam splitter, which directed half of the photons to a detector and the other half to a second detector.
The second detector did work but no-one responded to it in time.
In a two-storey home, fit one detector in the hallway just above the foot of the stairs and a second detector on the upstairs landing.
A second detector warned him his Cardiff flat was again filling with gas months later.
The second detector type has no integral pad and is optimized for measuring devices with wide dynamic range such as high value attenuators or high performance filters where a low noise floor is required to see the true characteristics of the rejection band.
The second detector allows faster processing, because a person triggering an alarm can move on to the second detector, while the people in line continue through the first detector.