ECE :: Signals and Systems
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Match the following:
List I (Comm.services) List II (Bandwidth) A. AM broadcast 1. 10 kHz B. Telephone 2. 4 kHz C. wide-band FM 3. 200 kHz D. TV 4. 7 MHz
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Match the following:
List I (Logic family) List II (Characteristic of logic family) A. TTL 1. Maximum power Consumption B. ECL 2. Highest Packing Density C. NMOS 3. Least Power Consumption D. CMOS 4. Saturated Logic
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Match the following:
List I List II A. Penetration frequency 1. Lowest frequency at which charged particles spiral in fixed magnetic field B. Optimum working frequency 2. Same as critical and frequency C. Gyro frequency 3. Highest frequency of radio waves that can be used D. Maximum usable frequency 4. The most effective frequency for ionosphere propagation of radio waves
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Match the following:
List I List II A. Synchro 1. Amplifier B. Amplidyne 2. Actuator C. Servo 3. Compensator D. RC network 4. Transducer
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Match the following:
List I List II A. Silicon 1. is trivalent B. Arsenic 2. rarely used as semiconductor C. Indium 3. is pentavalent D. Germanium 4. intrinsic semiconductor
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Match the following:
List I List II A. VOH(min) 1. 2.4 V B. VIH(min) 2. 1.5 V C. VOL(max) 3. 0.4 V 4. 2.0 V 5. 0.8 V
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Match the following:
List I List II A. n Channel JFET 1. B. p Channel JFET 2. C. Depletion MOSFET 3. D. Enhancement MOSFET 4.
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Match the following:
List I List II A. Ring modulator 1. Clock recovery B. VCO 2. Demodulation of FM C. Foster Seeley discriminator 3. Frequency conversion D. Mixer 4. Summing of two points 5. Generation of FM 6. Generation of DSB-SC
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Match the following:
List I List II A. Serial Binary adder 1. (2n - 1)tpd B. Ripple carry adder 2. (n - 1)tpd C. Carry look ahead binary adder 3. Operation time independent of size 4. 6tpd for 4 bit carry look ahead adder
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Match the following:
List I List II A. Zener diode 1. B. Tunnel diode 2. C. Schottky diode 3. D. Diode 4.