Maxim RRFP1A/T Manual de usuario Pagina 5

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Single-/Dual-Band 802.11a/b/g
World-Band Transceiver ICs
AC ELECTRICAL CHARACTERISTICS802.11g Rx Mode (MAX2829) (continued)
(MAX2829 evaluation kit: V
CC
= +2.7V, f
IN
= 2.437GHz; receiver baseband I/Q outputs at 112mV
RMS
(-19dBV), f
REFOSC
= 40MHz,
SHDN = RXENA = CS = high, RXHP = TXENA = SCLK = DIN = low, R
BIAS
= 11k, registers set to default settings and correspond-
ing test mode, T
A
= +25°C, unless otherwise noted. Unmodulated single-tone RF input signal is used, unless otherwise indicated.)
(Tables 1, 2, 3)
PARAMETER CONDITIONS
MIN
TYP
MAX
UNITS
RECEIVER BASEBAND FILTERS
Narrowband mode 7.5
Nominal mode 9.5
Turbo mode 1 14
Baseband -3dB Corner
Frequency
(See the Lowpass
Filter Register
section)
Turbo mode 2 18
MHz
f
BASEBAND
= 15MHz 20
f
BASEBAND
= 20MHz 39
Baseband Filter Rejection
(Nominal Mode)
f
BASEBAND
> 40MHz 84
dB
RSSI
RXHP = 1, low range (D11 = 0, see the Rx Control/RSSI
Register Definition section)
0.5
RSSI Minimum Output Voltage
RXHP = 1, high range (D11 = 1, see the Rx Control/RSSI
Register Definition section)
0.52
V
RXHP = 1, low range (D11 = 0, see the Rx Control/RSSI
Register Definition section)
2
RSSI Maximum Output Voltage
RXHP = 1, high range (D11 = 1, see the Rx Control/RSSI
Register Definition section)
2.5
V
RXHP = 1, low range (D11 = 0, see the Rx Control/RSSI
Register Definition section)
22.5
RSSI Slope
RXHP = 1, high range (D11 = 1, see the Rx Control/RSSI
Register Definition section)
30
mV/dB
+40dB signal step 0.2
RSSI Output Settling Time
To within 3dB of steady
state
-40dB signal step 0.7
µs
MAX2828/MAX2829
Maxim Integrated
5
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