VESTEL 17MB15 User Manual download pdf (Page 62)

16.2.2 Features

 Highest level of front-end integration and flexibility:

 Integrated PGA (programmable gain amplifier) 30 dB

 Single 8 MHz SAW filter operation

 2 AGC control signals available for RF and IF amplifier control

 Flexible clock reference options

 Re-use of 4 MHz tuner clock reference

 Pre-SAW sense input for optimal RF AGC setting and RF-level measurement

 Excellent digital reception performance:

 Superior digital and analog adjacent channel performance (> 40dB for QEF)

 Impulsive noise cruncher

 Multipath and dynamic echoes

 The input IF frequency ranging up to 44 MHz ensures upward compatibility for new tuner topologies

 Integrated microprocessor to perform autonomous detection and operation of all possible DVB-T

modes, without interaction with the host processor

 Fully automatic and fast signal acquisition: UHF and VHF band-scan in <20 seconds

 Meets all international DVB-T receiver specifications: Nordig Unified, DTG, EICTA

 Comfortable software drivers for integration of tuner and COFDM demodulator

 Secondary serial interface for tuner control

 5 V tolerant AGC and secondary serial protocol outputs

 2 general purpose I/O pins (GPIO)

 Configurable parallel or serial MPEG-TS output

 PMQFP64-2 package: footprint 1010 mm (DRX 3973D)

 PQFN48-1 package: small footprint 77 mm (DRX 3977D)

 IEEE 1149.1 boundary scan

16.2.3 Applications

 IDTV / hybrid TV

 Set-top boxes

 PVR / DVDR

 Network interface modules (NIM)

 PC-TV applications

16.3. PI6CX100-27

27 MHz 3.3V VCXO for Set-Top Box Applications

16.3.1 Features

• 3.3V operating voltage

• Uses an inexpensive external crystal

• On-chip VCXO with pull range of 240ppm

• VCXO tuning voltage from 0 to 3.3V

• 10mA output drive at CMOS levels

• Available in SOIC package

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VESTEL 17MB15 User Manual Page 62