Select the statement that best describes the input resistor values for a simple DAC using an op-amp as a summing amplifier
A) Starting with the LSB resistor, the values increase by a factor of 4 to the MSB resistor.
B) Starting with the MSB resistor, the values decrease by a factor of 4 to the LSB resistor.
C) They are binarily weighted with the LSB resistor having a value equal to the feedback resistor and the MSB having the highest value.
D) They are binarily weighted with the LSB resistor having the largest value and the MSB having a value equal to the feedback resistor.
D
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A hard had should be worn when cleaning brick and concrete block.
Answer the following statement true (T) or false (F)
Brake fluid flushing includes all of these EXCEPT ________
A) Bleeding at all four wheels B) Adding new brake fluid C) Changing brake fluid filter D) Removing the old brake fluid
In general, radio frequencies are
A) 530 kHz to 88 MHz B) frequencies from 10KHz to about 300GHz C) frequencies from 100 kHz to 100 GHz D) frequencies from 1KHz to about 10KHz
What is the diameter of a circle with a circumference of 7 inches? Round to the nearest hundredth inch.
A. 2.22 B. 2.23 C. 2.24 D. 2.25