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5GHz Receiver
AC ELECTRICAL CHARACTERISTICS—Tx CALIBRATION MODE
(Operating conditions, unless otherwise specified: V CC = 2.7V~3.6V, RF frequency = 5.351GHz, T A = -25 N C to +85 N C. LO frequency
= 5.35GHz. Reference frequency = 40MHz, ENABLE = high, CS = high, SCLK = DIN = low, with power matching at TXRF+ and
TXRF- differential ports using the Typical Operating Circuit . 100mV RMS sine and cosine signal applied to I/Q baseband inputs of
transmitter (differential DC-coupled). Typical values measured at V CC = 2.85V, channel bandwidths of 40MHz, T A = +25 N C.) (Note 1)
PARAMETER
Tx I/Q Input Impedance (R||C)
CONDITIONS
Minimum differential resistance
Maximum differential capacitance
MIN
TYP
100
1.2
MAX
UNITS
k I
pF
At Tx gain code (Main address 9 D9:D4) = 100010 and
Tx Calibration Ftone Level
-15dBc carrier leakage (Local address 27 D2:D0 = 110
-28
dBV RMS
and Main address 1 D3:D0 = 0000)
Tx Calibration Gain Range
Adjust Local address 27 D2:D0
35
dB
AC ELECTRICAL CHARACTERISTICS—FREQUENCY SYNTHESIS
(Operating conditions, unless otherwise specified: V CC = 2.7V~3.6V, frequency = 5.35GHz, T A = -25 N C to +85 N C. Reference fre-
quency = 40MHz, ENABLE = high, CS = high, SCLK = DIN = low. Typical values measured at V CC = 2.85V, T A = +25 N C, LO fre-
quency = 5.35GHz, T A = +25 N C.) (Note 1)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
FREQUENCY SYNTHESIZER
RF Channel Center Frequency
Channel Center Frequency
Programming Step
Closed-Loop Integrated Phase
Noise
Charge-Pump Output Current
Spur Level
Reference Frequency
Loop BW = 200kHz, integrate phase noise from 1kHz to
10MHz
f OFFSET = 0 to 19MHz
f OFFSET = 40MHz
4.9
76.294
-35
0.8
-42
-66
40
5.9
GHz
Hz
dBc
mA
dBc
MHz
Reference Frequency Input
Levels
AC-coupled to XTAL pin
800
mV P-P
CLKOUT Signal Level
10pF load capacitance
V CC -
0.8
V CC -
0.1
V P-P
6
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