SP8221BHb
Description
: This specification covers digital tuner intended for use in digital QAM & Terrestrial set top box. This tuner incorporates link IC for QAM & Terrestrial demodulation and FEC decoding.
1. General Specifications 1) QAM Mode
1-1 Receiving Frequency Range 1-2 Input Structure 1-3 Nominal Input Impedance 1-4 Nominal Output Impedance
1-5 Input Level per Channel
1-6 IF Frequency 1-7 Channel Selection
Tuner QAM Demodulator 1-8 QAM mode QAM System Clock 1-9 FEC Decoder
1-10 Operating Voltage
1-11 Current Consumption
54 ~ 864 MHz F Female or IEC Male, IEC Female 75Ω 75Ω
-15d Bm V ~ +25d Bm V : 64QAM -10d Bm V ~ +25d Bm V : 256QAM (Single channel, No Noise)
36 MHz or 44MHz Depending on PLL Setting EN4020 SI2165 64QAM, 256QAM 27MHz Reed-Solomon
B1 (3.3VS) : 3.3V DC ±5% B2 (3.3VT) : 3.3V DC ±5% B3 (3.3VD) : 3.3V DC ±5% B4 (1.2VA) : 1.2V DC ±5%
B1 (3.3VS) B2 (3.3VT) B3 (3.3VD) B4 (1.2VA)
Min.
Typ.
Max.
5m A 10m A
170m A 185m A
200m A 220m A
70m A 80m A
-2-
Digital QAM & Terrestrial NIM...
