LC-32LE340/343
LC-40LE340/343
MSB1222( DVB-C/T Demodulator)
The MSB1222 contains a superior COFDM demodulator that is Nordig Unified
1.0.3/2.0, D-Book5.0, E-Book, DVB-T compliant. It can be used in all 2K, 4K and 8K
modes with 5, 6, 7 and 8 MHz channels and is capable of receiving all modes of
transmission.
The MSB122 also includes a QAM demodulator which supports 16, 32, 64, 128 and
256 QAM while being compliant to DVB-C, ITU_T J.83 Annex A/C and China GY/T 170-
2001.
The device includes low-power, high performance A/D converters capable of
accepting direct IF at 36/44 MHz. Furthermore, it supports low IF and ZIF signaling.
Features
x DVB-T Demodulator
o Compliant with DVB-T
o All digital demodulation and timing recovery loops
o CCI and ACI rejection capability
o Impulse-Noise suppression
o Direct 36MHz, 44MHz IF sampling scheme from tuner
x DVB-C Demodulator
o Compliant with DVB-C(EN300429) and ITU-T J.83 Annex A/C
o Supports symbol rates up to 7M Baud
o Single IF filter bandwidth for all symbol rates
x Configurable parallel/serial MPEG2 transport stream interface
x Supports I2C interface
Figure 22: MSB1222 Block Diagram
RF_AGC
IF_AGC
I2CM_SCL
I2CM_SDA
I2CM_SCL
I2CM_SDA
RF_AGC
IF_AGC
DIF_1
DIF_2
TS_MCLK
TS_MSYNC
TS_MVALD
TUN_RESET
5V_SYS
3V3_SYS
PWR_6V6
TS_MD[7..0]
I2C_SCL_S
I2C_SDA_S
RF_AGC
IF_AGC
I2CM_SCL
I2CM_SDA
DIF_1
DIF_2
PWR_6V6
02_MSB1222
5V_SYS
3V3_SYS
TS_MCLK
TS_MSYNC
TS_MVALD
TUN_RESET
I2C_SCL_S
I2C_SDA_S
I2CM_SCL
I2CM_SDA
RF_AGC
IF_AGC
DIF_1
DIF_2
TS_MD[7..0]
58
LC-32LE340/343
LC-40LE340/343
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