5GHz Receiver
AC ELECTRICAL CHARACTERISTICS—Rx MODE (continued)
(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 RXRF+ and
RXRF- differential ports using the Typical Operating Circuit . Receiver I/Q output at 100mV RMS loaded with 10k I differential load
resistance and 10pF load capacitance. The RSSI pin is loaded with 10k I load resistance to ground. Typical values measured at V CC
= 2.85V, channel bandwidths of 40MHz, T A = +25 N C.) (Note 1)
PARAMETER
DSB Noise Figure
CONDITIONS
Balun input referred,
Maximum RF gain (Main
integrated from 10kHz
address 1 D7:D5 = 111)
to 9.5MHz at I/Q base-
Maximum RF gain - 16dB
band output for 20MHz
(Main address 1 D7:D5 = 101)
RF bandwidth
Balun input referred,
Maximum RF gain (Main
integrated from 10kHz
address 1 D7:D5 = 111)
to 19MHz at I/Q base-
Maximum RF gain - 16dB
band output for 40MHz
(Main address 1 D7:D5 = 101)
RF bandwidth
MIN
TYP
4.5
15
4.5
15
MAX
UNITS
dB
-65dBm wanted signal; RF
gain = max (Main address 1
-13
20MHz RF channel;
two-tone jammers at
D7:D0 = 11101001)
-49dBm wanted signal; RF
Out-of-Band Input IP3
+25MHz and +48MHz
frequency offset with
-39dBm/tone
40MHz RF channel;
two-tone jammers at
+50MHz and +96MHz
frequency offset with
-39dBm/tone
gain = max - 16dB (Main
address 1 D7:D0 = 10101001)
-45dBm wanted signal; RF
gain = max - 32dB (Main
address 1 D7:D0 = 00111111)
-65dBm wanted signal; RF
gain = max (Main address 1
D7:D0 = 11101001)
-49dBm wanted signal; RF
gain = max - 16dB (Main
address 1 D7:D0 = 10101001)
-45dBm wanted signal; RF
gain = max - 32dB (Main
address 1 D7:D0 = 00101001)
-5
11
-13
-5
11
dBm
1dB Gain Desensitization by
Alternate Channel Blocker
Input 1dB Gain Compression
Output 1dB Gain Compression
Blocker at Q 40MHz offset frequency for 20MHz RF
channel
Blocker at Q 80MHz offset frequency for 40MHz RF
channel
Max RF gain (Main address 1 D7:D5 = 111)
Max RF gain - 8dB (Mai n address 1 D7:D5 = 110)
Max RF gain - 16dB (Main address 1 D7:D5 = 101)
Max RF gain - 32dB (Main address 1 D7:D5 = 001)
Over passband frequency range; at any gain setting;
1dB compression point
-24
-24
-32
-24
-16
0
0.63
dBm
dBm
V P-P
4
______________________________________________________________________________________
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