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M88TS2022  -  DVB-S2/DVB-S/ABS-S Digital Satellite Tuner

The M88TS2022 is a single-chip, direct-conversion tuner for digital satellite receiver applications. It offers the industry's most integrated solution and simplifies the front-end designs. The device also provides an RF bypass output for driving a second tuner module.

This device incorporates the following functional blocks on a single chip: an LNA, quadrature down-converting mixers, a low phase noise and fast locking frequency synthesizer with on-chip loop filters, a DC offset cancellation loop with integrated loop filters, self-calibrated programmable baseband channel filters, an integrated RF AGC loop, and crystal oscillators with an integrated auxiliary clock output. As a result, the M88TS2022 has the least number of pins compared with other conventional solutions, and requires the least external components. The device also has the industry’s smallest latency, as it uses a fast locking PLL and a fast settling DC offset cancellation architecture.

The M88TS2022 is configured via a 2-wire serial interface.


Single-chip tuner

Compliant with DVB-S2/S and ABS-S standards

Support QPSK, 8PSK, 16APSK and 32APSK

Input signal range: 950 MHz to 2150 MHz

Direct-conversion from L-band to baseband

Symbol rates from 1 Msps to 45 Msps

Integrated VCOs and PLL, with on-chip inductors, varactors and loop filter

Integrated baseband filters: 4 MHz to 40 MHz bandwidth

Selectable RF bypass

Integrated RF AGC for optimal performance

Integrated baseband DC offset cancellation (patent-pending) removes external loop filters

Excellent immunity to strong adjacent undesired channels

Integrated clock driver provides auxiliary divided clock output for other devices

2-wire serial interface with 3.3 V compatible logic levels

Support sleep mode

Single 3.3 V power supply

Low power consumption

Green package: 28-pin QFN

Digital satellite set-top boxes

Digital video recorders

Satellite PC-TVs

Digital televisions

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