FX506 Просмотр технического описания (PDF) - CML Microsystems Plc

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FX506

Mobile Radio Audio Processor

CML Microsystems Plc 

System Response Characteristics

2 Gain (dB)

0

-2

-4

-6

-8

-10

-12

-14

-16

-18

300

-20

200

500

1000

2000

Fig.6 Typical Pre-Process Path Frequency Response

3400

5000

10000

Frequency (Hz)

System Frequency Characteristics

Figure 6 shows a typical, response curve of the Pre-Process Path, in receive mode, set against the

device specification. The general characteristic shape is produced by the Input Highpass and Lowpass

Filters, without the internal pre-emphasis element.

Figure 7 shows a typical response curve of the Post-Process Path set against the device specification.

The general characteristic shape is produced by the Post-Deviation Limiter Filter, without the de-

emphasis element.

2 Gain (dB)

0

-2

-4

-6

-8

-10

-12

-14

-16

-18

-20

200

2700 3400

500

1000

2000

Fig.7 Typical Post-Process Path Frequency Response

11

5000

10000

Frequency (Hz)

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