This chip is fully integrated GSM GPRS quad-band transceiver with transmit baluns, loop filters and most of the passive component in it.
And also fully integrated fractional N RF synthesizer with AFC control possibility, RF VCO with integrated supply regulator. Semi integrated reference oscillator with integrated supply regulator. RF Receiver front-end amplifies the E-GSM900, DCS1800 and PCS1900 aerial signal, convert the chosen channel down to a low IF of 100kHz.
In IF section, further amplifies the wanted channel output level to the desired value and rejects DC.
source : vomail.net
Tags : samsung sgh d500, sgh d500, rf receiver, samsung sgh, dcs1800, passive component, integrated supply, dc source, gsm900, quad band, vco, oscillator, transceiver, synthesizer, samsung
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