MAX3580(2006) Просмотр технического описания (PDF) - Maxim Integrated

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Компоненты Описание

производитель

MAX3580
(Rev.:2006)

Direct-Conversion TV Tuner

Maxim Integrated 

Direct-Conversion TV Tuner

The following is selected overall performance data for the

MAX3580 + digital demodulator.

Table 1 shows the typical overall performance as mea-

sured using the MAX3580 and one current production

DVB-T demodulator. This reference design is available

in NIM card form factor upon request.

MBRAI refers to standard MBRAI 04-102 IEC 62002-1

available from www.ansi.org.

Performance to Standards

NorDig refers to standard Unified 1.0.2 available from

www.nordig.org.

Modulation of wanted and interfering channel(s) is 8k

mode, 16 QAM, C/R = 3/4, GI = 1/4, sensitivity or

immunity Reference Bit Error Rate is 2 x 10e-4, unless

stated otherwise.

Table 1. Selected Typical MBRAI and NorDig Performance

TEST SCENARIO

MBRAI S2

MBRAI S2

MBRAI L3

NorDig 16 QAM 2/3

NorDig QPSK 1/2

NorDig 64 QAM 7/8

COMMENTS

Immunity/ACPR for N ±1 adjacent ch.

Immunity/ACPR N ±2 alternate ch.

Linearity/crossmod. with N+2 and N+4 ch.

Sensitivity at channel 21 (470 MHz)

Sensitivity at channel 42 (642 MHz)

Sensitivity at channel 59 (778 MHz)

SPEC MINIMUM

29dB

40dB

40dB

-84.1dBm

-92.1dBm

-74.7dBm

MAX3580 TYPICAL

40dB

43dB

47dB

-85.1dBm

-94.8dBm

-76dBm

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