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Ansoft Designer / Ansys Designer 在线帮助文档：

System Simulator >
System Component Models >
Data Converters >
   M-ary to Binary Decoder (MBEN)       

M-ary to Binary Decoder (MBEN)

 

 


Property

Description

Units

Default

Range/Type

NB

Number of bits to group into one symbol

None

2

[1, 32]/Integer

RIN

Input impedance

Ohm

Inf

(0, Inf]/Real

ROUT

Output impedance

Ohm

0

[0, Inf)/Real

Ports

Input

Input signal of symbols (real)

Output

Output signal of bits, LSB first (real)

 

Notes

1. This model converts the M-ary input signal into a binary output signal of 0's and 1's.

2. The input signal is made of symbols (voltages) in the Range/Type of (0,...., 2NB –1).

3. The ratio of the output bit rate to the input symbol rate is given by NB. For example, with NB=5, the MBEN expects an input voltage in the range [0,31]V. For an input of 0V, the 5-bit MBEN outputs 00000. For an input of 31V, the 5-bit MBEN outputs 11111.

4. For negative input voltages, the MBEN outputs NB bits of zeros.

5. For voltages above (2NB –1), the MBEN outputs NB bits of ones (i.e., the maximum value).

Netlist Form

MBEN:Name n1 n2 NB=val [Rin1=val] [Rin2=val][Rout=val]

Netlist Example

MBEN:1 1 2 NB=4



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