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| 供应商 | T2M |
|---|---|
| 型号 | DTMB CMMB TV Tuner IC |
| 类型 | Hard IP |
| 到期日 | In Production |
| 源网址 | View more |
| 特征 | Direct down-conversion architecture without the need of tracking or SAW filters 3-wire Serial Interface or I2C compatible Serial Interface with 3.3/1.8V compatible I/O Integrated DCXO eliminates the need for bulky and expensive VC-TCXO. Internal sophisticated RF/BB RSSI and AGC for linearity and sensitivity optimization Various on-chip automatic analog calibrations ensure yield at process corners Digital/PWM optional control mode for BB PGA Gain Settings Digital controlled power saving modes for best power efficiency Digitally adjustable baseband output common mode voltage levels Integrated Receiver DC Offset cancellation Loop Fractional-N synthesizer with fully integrated VCO |
| 详情页 | View more |
| 附件链接 | View more |
The TV Tuner is a highly integrated CMOS single-chip, direct down-conversion tuner IC for digital TV standards such as DTMB,CMMB. The tuner IC covers UHF IV,V bands(470-862MHz), it features low power consumption and low number of external components. It includes LNA, RF PGAs, down-conversion mixer, RF/BB RSSI and digitally adjustable automatic gain control circuitries, an adjustable channel select filter with onchip bandwidth calibration, BB programmable gain amplifiers, VCOs with a high resolution fractional-N PLL, digital controlled crystal oscillator (DCXO), and digital interface/control circuits. The tuner IC supports 3-wire Serial Interface and I2C compatible serial interface. The internal DCXO makes it cost competitive. The tuner is manufactured in CMOS technology and hosted in QFN32 package. Applications - UHF mobile TV receiver Portable Media Players Automotive Infotainment Systems Personal Digital Assistants Laptop and Desktop PC's
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