RRB JE CBT2 : EXPERT
29 Jun
RankDevice / CircuitTypical Operating Frequency
1Gunn Diode1–110 GHz
2Tunnel Diode100 MHz–100 GHz
3Avalanche DiodeMHz–100 GHz
4Flash ADCUp to 10 GHz
5PLL1 Hz–3 GHz
6MOSFETDC–1 GHz
7PhotodiodekHz–1 GHz
8JFETDC–500 MHz
9BJTDC–300 MHz
10CRT15 kHz–200 MHz
11Crystal Oscillator32 kHz–200 MHz
12CRODC–20 MHz (older), GHz (modern)
13Colpitts Oscillator100 kHz–300 MHz
14SAR ADCDC–100 MHz
15Common Base AmplifierUp to 100 MHz
16PN Junction DiodeDC–100 MHz
17Zener DiodeDC–100 MHz
18Hartley Oscillator20 kHz–30 MHz
19Differential AmplifierDC–10 MHz
20Common Emitter AmplifierAudio–10 MHz
21Sigma-Delta ADCDC–5 MHz
22Common Collector AmplifierAudio–1 MHz
23Inverting Op-AmpDC–1 MHz
24Non-Inverting Op-AmpDC–1 MHz
25Voltage FollowerDC–1 MHz
26ClipperDC–1 MHz
27ClamperDC–1 MHz
28Astable Multivibrator1 Hz–1 MHz
29Bistable MultivibratorDC–MHz
30RC Phase Shift Oscillator10 Hz–1 MHz
31Open Loop Op-AmpDC–100 kHz
32Voltage Series Feedback AmplifierDC–100 kHz
33Voltage Shunt Feedback AmplifierDC–100 kHz
34Op-Amp IntegratorDC–100 kHz
35Op-Amp Differentiator100 Hz–100 kHz
36Zero Crossing Detector50 Hz–100 kHz
37Monostable MultivibratorHz–MHz (Pulse)
38LVDT50 Hz–20 kHz
39Thyristor (SCR)50 Hz–10 kHz
40Dual Slope ADCDC–10 kHz
41Electrodynamometer InstrumentDC–1 kHz
42DIAC50–400 Hz
43TRIAC50–400 Hz
44Moving Iron Instrument50–60 Hz
45Voltage DividerDC
46PMMC InstrumentDC Only (0 Hz)
47ThermocoupleDC (0 Hz)
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