MTC-20144TQ-I AMI Semiconductor, Inc., MTC-20144TQ-I Datasheet - Page 12

Manufacturer Part Number

MTC-20144TQ-I

Description

Integrated ADSL CMOS Analog Front-End Circuit

Manufacturer

AMI Semiconductor, Inc.

Datasheet

1.MTC-20144TQ-I.pdf (24 pages)

MTC-20144 TX Path

Transmitter spectral Response

The two figures below show the ANSI

spectral response mask for ATU_C and

ATU_R transmitters

AGC of TX Path (from filter

output to TXO1 and TXO2)

Input level (nominal)

Ouput level (nominal)

AGC range :

AGC step :

Gain and step accuracy :

Minimal code (0000) stands for AGC=-15dB and maximal (1111) for AGC=0dB.

Fig.7 : ATU_C PSD Mask

Fig.8 : ATU_R PSD Mask

1 Vpd

1.5 Vpd

14.5 dB ... 0 dB

0.97 dB

+- 0.3 dB

MTC-20144