Autocorrelating Signal Processor

7

MX102

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Doc.# 20480095.003

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0

2000

4000

6000

8000

10000

12000

14000

Maximum Input Frequency (Hz)

Minimum Input Frequency (Hz)

Input Signal Bandwidth (Hz)

Maximum Clock Limit

Maximum Clock Limit

Xtal/Clock Frequency (kHz)

0

500

1000

1500

2000

2500

Minimum Input Frequency =

Xtal/Clock Frequency (Hz)

1200

Maximum Input Frequency =

Xtal/Clock Frequency (Hz)

190

Figure 4: Input Signal Ranges vs Xtal/Clock Frequency

Effective Output Signal-to-Noise Ratio (dB)

Input Signal = 2.7kHz 20mVrms

Xtal/Clock Frequency 500kHz

Input Signal-to-Noise Ratio (dB)

1

2

3

4

5

6

7

8

9

-6

-5

-4

-3

-2

-1

0

1

2

3

4

5

6

7

8

Figure 5: Enhancement of Signal-To-Noise Ratio

Note:

1.

The graph shown in Figure 5 illustrates the signal-to-noise enhancement that can be obtained, under varying input

conditions, from the MX102.