MAX3580_09 Datasheet, PDF (6/21 Pages) Maxim Integrated Products – Direct-Conversion TV Tuner

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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