Datasheet

MAX2831/MAX2832
2.4GHz to 2.5GHz 802.11g/b
RF Transceivers with Integrated PA
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Table 26. Register 11 (A3:A0 = 1011)
BIT RECOMMENDED DESCRIPTION
D13:D7 0000000 Set to recommended value.
D6:D5 11
LNA Gain Control. Set to 11 for high-gain mode. Set to 10 for medium-gain mode, reducing
LNA gain by 16dB. Set to 0X for low-gain mode, reducing LNA gain by 33dB.
D4:D0 11111
Receiver VGA Control. Set D4:D0 = 00000 for minimum gain and D4:D0 = 11111 for
maximum gain.
Table 27. Register 12 (A3:A0 = 1100)
BIT RECOMMENDED DESCRIPTION
D13:D6 00000101 Set to recommended value.
D5:D0 000000
Transmitter VGA Gain Control. Set D5:D0 = 000000 for minimum gain, and set D5:D0 =
111111 for maximum gain.
Table 28. Register 13 (A3:A0 = 1101)
BIT RECOMMENDED DESCRIPTION
D13:D10 0011 Set to recommended value.
D9:D6 1010 Set to recommended value.
D5:D0 010010 Set to recommended value.
Table 25. Register 10 (A3:A0 = 1010)
BIT RECOMMENDED DESCRIPTION
D13:D10 0111
P ow er - Am p l i fi er E nab l e D el ay. S ets a d el ay b etw een RX TX l ow - to- hi g h tr ansi ti on and i nter nal P A
enab l e. P r og r am m ab l e i n 0.5µs step s. D 13:D 10 = 0001 ( 0.2µs) and D 13:D 10 = 1111 ( 7µs) .
D9:D7 011 Set to recommended value.
D6:D3 0100 Second-Stage Power-Amplifier Bias Current Adjustment. Set to XXXX for 802.11g/b.
D2:D0 100 First-Stage Power-Amplifier Bias Current Adjustment. Set to XXX for 802.11g/b.
Table 24. Register 9 (A3:A0 = 1001)
BIT RECOMMENDED DESCRIPTION
D13:D11 000 Set to recommended value.
D10 0
Enable Transmitter Gain Programming Through the Serial or Parallel Interface. Set to 1 to
enable programming through the 3-wire serial interface (D5:D0 in Register A3:A0 = 1011).
Set to 0 to enable programming in parallel through external digital pins (B6:B1).
D9:D0 1110110101 Set to recommended value.