4
All data measured on an FR4 demo board at VDD1_TX = VDD2_TX = 3.6 V, VREF = 2.8 V, Tc = 25° C, 50 at all ports. Unless
otherwise speci ed, all data is taken with OFDM 16-QAM ¾ convolutional coding modulated signal per IEEE 802.16e
with 10 MHz BW.
Table 3. TX-ANT Electrical Characteristics (25° C, 3.6 V and 50 )
Parameter
Performance
CommentsMin. Typical Max. Unit
Input Return Loss 6 10 dB
Gain Flatness 1 dB Over any 10 MHz
Gain Variation (V
CC)
-1 1 dB 3 V to 5 V
High Power
Mode
EVM -34 -30 dB Vcc = 3.6 V & Po = 24 dBm
SEM-A @ 5.05 MHz -16 -13 dBm/100 kHz IBW = 100 kHz
SEM-B @ 6.5 MHz -18 -13 dBm/MHz IBW = 1 MHz
SEM-C @ 10.5 MHz -24 -19
SEM-D @ 11.5 MHz -27 -25
SEM-E @ 15.5 MHz -33 -29.5
SEM-F @ 20.5 MHz -40 -37
Pout (SEM Compliant) +24 dBm WiMAX Forum
Total DC Current 420 475 mA Pout = 24 dBm
Gain 29 34 36.5 dB
Low Power
Mode
EVM -37 -30 dB Pout = 0 dBm
Gain Step 19 23 26 dB
Total DC Current 95 115 mA Pout = 0 dBm
2fo @ 24 dBm Pout -33 dBm/MHz
3fo @ 24 dBm Pout -32 dBm/MHz
Settling Time 0.2 0.5
S
TX leakage current 5 30
A
Max de ned at +85° C
Output Load Mismatch
Ruggednes
8:1 VSWR No permanent degradation or
damage at all phase angles
TX Path Out of Band Rejection
698 – 720 MHz 80 dBc
800 – 915 MHz 70 dBc
1574 – 1576 MHz 50 dBc
1805 – 1880 MHz 40 dBc
1930 – 1990 MHz 30 dBc
2110 – 2170 MHz 10 dBc
2400 – 2468 MHz 35 dBc
2451 – 2473 MHz 25 dBc
3300 – 3800 MHz 30 dBc
5000 – 5380 MHz 60 dBc
>7200 MHz 60 dBc
TX Noise Power (24 dBm Output Power)
900 MHz -147 dBm/Hz
1575 MHz -148 dBm/Hz
1800 MHz -148 dBm/Hz
1990 MHz -148 dBm/Hz
2470 MHz -135 dBm/Hz
2473 MHz -134 dBm/Hz
2481 MHz -124 dBm/Hz
