For an 8-pin dual in line packed integrated circuit µA741C its pin 1 and pin 5 presents
For an 8-pin dual in line packed integrated circuit NE/SE-555 IC its pin 1 and pin 5 presents
The input side reference current of a BJT-based current mirror is 1mA and its output side current is 20 µA. This type of current mirror is called:
The open loop differential gain of an op-amp is 120 dB and its common mode gain is 0.1 (V/V) its CMRR in dB is
Consider the inverting amplifier made of an op-amp by using input side resistor R1 and feedback resistor R2. If R2 is replaced by a p-n junction diode this new-circuit becomes:
The Schmitt trigger circuit is nothing but a comparator which produces an output signal actuated by an input signal of any arbitrary waveform and frequency. Indicate the false statement about it.
The peak to peak out voltage of a non-inverting Schmitt trigger-based triangular wave generator circuit is equal to hysteresis voltage VH. If VUT = |VL T| = R3 Vsat /R1 then its Vo (p-p) is
The emulated resistor in switched capacitor technique does not depends upon:
Consider the NE/SE timer-based circuit in mono-stable vibrator mode of operation. Pick out the incorrect statement about its pin connections:
Consider the NE/SE timer-based circuit in Astable vibrator mode of operation. Pick out the incorrect statement about its pin connections:
A 3-op-amps-based second order wide-band band-reject filter does not require
The time period and oscillation condition for an oscillator circuit is given by T = 2 π RC √6 and RF ≥ 29 R1. This oscillator circuit is called:
How many resistors are required in 6-bit weighted resistor D/A converter?
Successive approximation-based N-bits A/D converter needs the conversion time of
A 6-bit D/A converter is scaled to provide maximum output when all input bits are high to be remarkably close to its VCC level which is 5 V. The output voltage when MSB bit is only high and others are zero, is given by:
A differential amplifier has a differential gain of 20. If output pin to pin 2 side resistors, i.e. RF and negative input side R1 are 100 kΩ and 5 kΩ and positive input to pin 3 and pin-3 to gnd side resistors are R3 and R4, respectively. If R3 is 3 kΩ then value of R4 must be:
An inverting amplifier is made of an op-amp and input resistors R1 and feedback resistor RF. The input impedance seen by input signal is equal to
An internally frequency compensated op-amp has used CC = 10 pF and its input stage is biased by using a tail current of 100 µA. Find its slew rate:
Which one is the fastest A/D converter?
An 8-bit A/D converter uses 5 V reference DC supply. Its resolution (least count) is given by:
The CMRR of an emitter coupled BJT based differential amplifier mostly depends on
A non-inverting amplifier is made of R1 and RF resistors of 10 kΩ and 90 kΩ, respectively. If non-inverting input voltage is 1 V DC, then output voltage and current in resistor R1 is given by:
The higher cut-off frequency (fH in Hz) of an active low-pass filter is given by:
For half-wave rectification of a 100µV peak AC sine wave the most preferred rectifier is
An oscillator does not use
