2.4GHz to 2.5GHz 802.11g/b RF Transceivers
MAX2831/MAX2832
19-0363; Rev 2; 3/11 EVAALVUAAILTAIOBNLEKIT
2.4GHz to 2.5GHz 802.11g/b RF Transceivers with Integrated...
Description
MAX2831/MAX2832
19-0363; Rev 2; 3/11 EVAALVUAAILTAIOBNLEKIT
2.4GHz to 2.5GHz 802.11g/b RF Transceivers with Integrated PA
General Description
The MAX2831/MAX2832 direct conversion, zero-IF, RF transceivers are designed specifically for 2.4GHz to 2.5GHz 802.11g/b WLAN applications. The MAX2831 completely integrates all circuitry required to implement the RF transceiver function, providing an RF power amplifier (PA), RF-to-baseband receive path, basebandto-RF transmit path, VCO, frequency synthesizer, crystal oscillator, and baseband/control interface. The MAX2832 integrates the same functional blocks except for the PA. Both devices include a fast-settling sigma-delta RF synthesizer with smaller than 20Hz frequency steps and a digitally tuned crystal oscillator allowing use of a low-cost crystal. The devices also integrate on-chip DC-offset cancellation and I/Q errors and carrier leakage-detection circuits. Only an RF bandpass filter (BPF), crystal, RF switch, and a small number of pa...
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