How To Use Superhet In A Sentence
-
The German superheterodynes were always very well screened and featured extensive selectivity before the mixer with three or more tuned circuits.
-
This paper discussed the double sideband noise figures and single side band noise figures of the superheterodyne receivers in a ideal hypothesis and the practical case respectively.
-
The typical approach both SDRs and superhets have to solve this problem is to make the receiver more deaf.
-
RF signal generators began to be available for radio servicing about the time that more complex ac radios appeared and superheterodynes became more common.
-
From the late Fifties through the mid-Sixties their beginner's superhet was called the SimpleX Super, a 3-tube affair designed to cover just the 80M and 40M amateur bands.
-
A few tried to skirt these laws, but the vast majority of superhets were built from scratch or from kits with additional parts.
-
The public was not so receptive since superheterodynes were complicated devices requiring many controls, as well as lots of tubes and batteries.
-
Both an RF power analyzer and a spectrum analyzer are essentially specialized superheterodyne receivers.
-
In this paper, a superheterodyne receiver is taken as an example to illustrate the characteristic and effect of virtual experiment teaching.
-
Range in high altitude (more than 100m): RC approx. 1,5km (cheap RC receiver, no DS = double superheterodyne) FPV approx. 3km Half the range in big cities because of jammers!
WN.com - Business News
-
This circuit evolved from the desire to have transceiver operation when using my homebrew superhet receivers.
-
There were four superhets and three cheaper T.R.F. receivers.
-
When I began collecting pre-1930 superheterodynes, I had a lot of trouble finding information about them and their schematics.
-
It is a T.R.F. (Tuned Radio Frequency) receiver, which is a little unusual as the other receivers in the CR series are superheterodynes.
-
In the superhet or superheterodyne radio, the received signal enters one input of the mixed.
-
Here were the somatic messages that fed the cauldron; cell reactions by the incredible billion, organic cries, the muted drone of muscletone, sensory sub-currents, blood-flow, the wavering superheterodyne of blood pH ... all whirling and churning in the balancing pattern that formed the girl's psyche.
Wild Dreams of Reality, 5
-
They are triple-conversion superheterodynes, with 0.2-0.3 microvolt SSB sensitivity, 2-3 kHz / - 6 decibel selectivity, and frequency stability of 3-5 parts per million.
-
He dabbled in radio sales back when they were dubbed superheterodynes, and he brought some of the earliest electric household appliances to San Antonio buyers.
-
This digital book will walk you through the theory behind and the servicing techniques for superheterodynes and provide the type of refined technical advice that cannot be found in modern service books.
-
Grey-cast, billiard-bald Major Edwin Howard Armstrong, deviser of the frequency modulation system of broadcasting, has twice in his time revolutionized radio-first by the regenerative, or feedback, circuit, which outmoded crystal sets; next by his superheterodyne hookup, the basis for present-day one-dial tuning.
TIME.com: Top Stories
-
In this paper, a superheterodyne receiver is taken as an example to illustrate the characteristic and effect of virtual experiment teaching.
-
As part of the marketing effort they issued a circuit for a 2 waveband superhet using 6K8,6K7,6Q7 and a 6V6 valve with the HT derived from a metal rectifier.
-
Both radios are similar in design - five - tube superheterodynes with both broadcast and shortwave tuning.
-
We would bet our new Spring hat that if a good U.S. amateur with such a set and an Armstrong superheterodyne could be sent to England, reception of the U.S.
The Dawn of Amateur Radio in the U.K. and Greece: a personal view
-
Previously, I had built the Lindsay superhet, which was a tremendous learning experience.
-
QST would have run its first articles on the superheterodyne receiver and crystal controlled oscillators.
ARRL Amateur Radio News
-
Its quality stood behind the commercial superheterodynes which were produced for marine and navy applications ten years ago.
-
All simple direct conversion receiver designs suffer from degraded selectivity performance and are more subject to overload by contrasted to even modest superhet designs.
-
Most of these ‘Two Transistor’ jobs were not superhets at all even though they used similar components.
-
Description: 2-watt monoband superhet CW rig with varactor diode VFO
EHam.net News
-
Early superhets used frequencies of around 100kHz whilst later sets used around 465kHz. There was one major disadvantage however.
-
Jumping from radio to TV, the first pre-World War II RCA television receivers were superheterodynes with a picture IF of 12.75 MHz.
-
In one embodiment the superheterodynes circuit operates at 455 kHz which up-converts the usual 67 kHz signal by mixing it with the output of a ceramic resonator controlled local oscillator/mixer.
-
This is a four-valve seven-stage superheterodyne receiver essentially designed for C.W. reception.
Shadow Knights
-
This was one of the first commercially produced British superhets and was several years ahead of its time.
-
Edwin Armstrong develops a receiving circuit - the superheterodyne.
-
For frequencies above 40MHz, the actual ADCs doesn't perform sufficient speed so direct-conversion is not possible and hence a superheterodyne RF front end architecture is adopted, to lower the frequency of the received signals to intermediate frequency values (IF) under the actual 40MHz convertible limit.
HomeToys News
