TRF370417 Datasheet, PDF (17/29 Pages) Texas Instruments – 50-MHz TO 6-GHz QUADRATURE MODULATOR

TRF370417
www.ti.com
SLWS213 – JANUARY 2010
TYPICAL CHARACTERISTICS (continued)
V_CM = 1.7 V, V_inBB = 98 mVrms single-ended sine wave in quadrature, V_CC = 5 V, LO power = 4 dBm (single-ended), f_BB = 50
kHz (unless otherwise noted).
ADJACENT CHANNEL POWER RATIO
vs
OUTPUT POWER at 2140 MHz
OIP3 at 1960 MHz DISTRIBUTION
−60
60
−63 ^{One Carrier, WCDMA at 2140 MHz}
DAC5687 as Source w/ 2.5 MHz LPF
50
−66
−69
40
−72
Adj
−75
30
−78
20
−81
−84
10
−87
Alt
−90
−20 −18 −16 −14 −12 −10 −8 −6 −4
P_OUT − Output Power − dBm
G041
Figure 41.
0
24
25
26
27
28
29
OIP3 − dBm
G042
Figure 42.
OIP2 at 1960 MHz DISTRIBUTION
25
20
15
10
5
0
56 58 60 62 64 66 68 70 72
OIP2 − dBm
G043
Figure 43.
UNADJUSTED CARRIER FEEDTHROUGH
at 1960 MHz DISTRIBUTION
18
16
14
12
10
8
6
4
2
0
−24 −28 −32 −36 −40 −44 −48 −52 −56 −60 −64
CS − Unadjusted Carrier Feedthrough − dBm
G044
Figure 44.
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