In a 555 timer, a series connection of three resistors sets the refere – McqOptions

MCQOPTIONS

1.	In a 555 timer, a series connection of three resistors sets the reference voltage levels to the two comparators at ________ and ________.
A.	2VCC / 3, VCC / 3
B.	VCC / 2, VCC / 4
C.	VCC, VCC / 2
D.	VCC, VCC
Answer» B. VCC / 2, VCC / 4

Discussion

No Comment Found

Related MCQs

Which of the following require(s) interfacing circuitry?
For transistor transistor logic (TTL) circuits, ________ is a mark and ________ is a space.
For the RS-232C circuit, ________ is a mark and ________ is a space.
In interfacing circuitry, a receiver provides ________ input impedance to minimize loading of the input signal.
An input at a frequency of 1070 Hz will drive the decoder output voltage to ________.
The free-running frequency of a 565 FSK decoder is adjusted with ________.
A phase-locked loop (PLL) is an electronic circuit that consists of ________.
When the loop is in lock in a PLL, the input frequency is ________ the output frequency from the VCO.
In the frequency-shift keyed (FSK) signal decoder, the RC ladder filter is used to ________.
The frequency of the 566 VCO is set by ________.