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| 供应商 | T2M |
|---|---|
| 型号 | DAB/DMB Quad-band Mobile Tuner |
| 类型 | Soft IP |
| 到期日 | In Production |
| 源网址 | View more |
| 特征 | Highly Integrated single-chip RF tuner for ( VHF and L ) dual-band DAB/DMB, or FM and GPS receptions Low-IF architecture without the need of tracking or SAW filters Dual output modes for GPS: Low-IF analog outputs or digitized outputs Optional dual digital communication modes: I2C or SPI3 wire Integrated DCXO eliminates the need of bulky and expensive VC-TCXO Built-in algorithm of self controller RF AGC with internal sophisticated RF/BB and RSSI and RF AGC for linearity and sensitivity optimization Built-in algorithm of self controller IF AGC for GPS mode, also suitable for DAB/FM mode ( optional) Dual control modes for internal IF PGA gain settings: digital control by I2C or 3-wire SPI and analog voltage control generated by filtering PWM signal. Digitally adjustable baseband and IF output common mode voltage levels Integrated DC-offset cancellation circuitry Fractional-N synthesizer with fully integrated VCO's and partially integrated loop filter |
| 详情页 | View more |
| 附件链接 | View more |
Low-cost RF tuner for DAB / T-DMB, FM and GPS applications is highly integrated and does not need external SAW filter. Integrated with LNAs, RF / BB AGC, down conversion quadrature mixers, RF / IF power detectors and Received Signal Strength Indicator (RSSI), programmable multiple bandwidth channel filters, VCO, PLL, and crystal reference. An RF AGC controller with built-in algorithm was designed to optimize noise or linearity performance in various receiving environment. 3-wire SPI or I2C can be used for easy communication between base-band chip and RF tuner.
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