superregenerative receiver
E484
A superregenerative receiver is a highly sensitive radio receiver design that uses rapid oscillation quenching to achieve simple, low-cost detection of weak radio signals.
Statements (47)
| Predicate | Object |
|---|---|
| instanceOf |
radio receiver architecture
ⓘ
wireless communication device ⓘ |
| applicationDomain |
radio communications
ⓘ
wireless control systems ⓘ |
| comparedTo |
regenerative receiver
ⓘ
superheterodyne receiver ⓘ |
| hasAdvantage |
high gain with few components
ⓘ
low power consumption ⓘ suitable for simple short-range links ⓘ |
| hasComponent |
audio amplifier
ⓘ
detector stage ⓘ quench oscillator ⓘ radio frequency oscillator ⓘ tuned LC circuit ⓘ |
| hasDisadvantage |
difficulty meeting modern spectral regulations
ⓘ
limited dynamic range ⓘ radiates RF energy from the receiver ⓘ |
| hasFrequency | quench frequency lower than RF frequency ⓘ |
| hasHigher | sensitivity than regenerative receiver ⓘ |
| hasLower | selectivity than superheterodyne receiver ⓘ |
| hasProperty |
high sensitivity
ⓘ
low cost ⓘ poor selectivity compared to superheterodyne receivers ⓘ self-oscillating operation ⓘ simple circuitry ⓘ susceptibility to interference ⓘ wideband response ⓘ |
| historicallyDevelopedIn | 1920s ⓘ |
| inventedBy |
Edwin H. Armstrong
ⓘ
surface form:
Edwin Howard Armstrong
|
| operatesOn |
radio frequency signals
ⓘ
ultra high frequency band ⓘ very high frequency band ⓘ |
| relatedConcept |
quench oscillator
ⓘ
regenerative feedback ⓘ slope detection ⓘ |
| requires |
careful quench frequency adjustment
ⓘ
stabilized supply voltage for stable operation ⓘ |
| usedIn |
early VHF communication equipment
ⓘ
low-cost wireless toys ⓘ model control radio systems ⓘ simple remote controls ⓘ some early television receivers ⓘ |
| usesPrinciple |
oscillation quenching
ⓘ
positive feedback ⓘ superregeneration ⓘ |
| usesSignalProcessing |
quench modulation
ⓘ
regenerative amplification ⓘ |
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.