Holooly Plus Logo
Holooly Plus Logo

Question 4.8: Determine the noise margins for an RS-232 interface with dri......

Determine the noise margins for an RS-232 interface with driver signal voltages of ±6 V.

Step-by-Step
The 'Blue Check Mark' means that this solution was answered by an expert.
Learn more on how do we answer questions.
Report Answer

The noise margin is the difference between the driver signal voltage and the terminator receive voltage, or

NM = 6 – 3 = 3 V or NM = 25 – 6 = 19 V

The minimum noise margin is 3 V.

Related Answered Questions

Question: 4.6

For the following sequence of bits, identify the ASCII-encoded character, the start and stop bits, and the parity bits (assume even parity and two stop bits): ...

Verified Answer:

\qquad \qquad \qquad \qquad \qquad \qquad \...
Question: 4.7

For the following string of ASCII-encoded characters, identify each character (assume odd parity): ...

Verified Answer:

\qquad \qquad \qquad \qquad \qquad \qquad \...
Question: 4.5

For a 12-bit data string of 101100010010, determine the number of Hamming bits required, arbitrarily place the Hamming bits into the data string, determine the logic condition of each Hamming bit, assume an arbitrary single-bit transmission error, and prove that the Hamming code will successfully ...

Verified Answer:

Substituting m = 12 into Equation 2, the number of...
Question: 4.4

Determine the BCS for the following data and CRC generating polynomials: Data G(x) = x^7 + x^5 + x^4 + x² + x¹ + x^0 = 10110111 CRC P(x) = x^5 + x^4 + x¹ + x^0 = 110011 ...

Verified Answer:

First, G(x) is multiplied by the number of bits in...
Question: 4.3

Determine the VRCs and LRC for the following ASCII-encoded message: THE CAT. Use odd parity for the VRCs and even parity for the LRC. ...

Verified Answer:

The LRC is 00101111 binary (2F hex), which is the ...
Question: 4.2

Determine the odd and even parity bits for the ASCII character R. ...

Verified Answer:

The hex code for the ASCII character R is 52, whic...
Question: 4.1

Determine the UPC label structure for the digit 0. ...

Verified Answer:

From Figure 3a, the binary sequence for the digit ...