Datasheet

MAX2021
High-Dynamic-Range, Direct Up-/Downconversion
650MHz to 1200MHz Quadrature Mod/Demod
17
Maxim Integrated
LO FREQ
(MHz)
RF FREQ
(MHz)
R1
(ΩΩ
ΩΩ
)
R2
(ΩΩ
ΩΩ
)
R3
(ΩΩ
ΩΩ
)
I
CC
(mA)
C O N VER SIO N
L O SS ( d B )
IIP3
(dBm)
57MHz IIP2
(dBm)
420 620 330 269 9.8 33.85 62.1
453 665 360 254 9.83 33.98 62.9
499 698 402 230 9.81 32.2 66.6
549 806 464 207 9.84 31.1 66.86
800 771
650 1000 550 173 9.95 29.87 65.25
420 620 330 269 9.21 33.1 68
453 665 360 254 9.25 33.9 66.87
499 698 402 230 9.36 34.77 66.7
549 806 464 207 9.39 35.3 66.6
900 871
650 1000 550 173 9.46 32 64.64
420 620 330 269 9.47 34.9 > 77.7
453 665 360 254 9.5 35.4 > 77.5
499 698 402 230 9.53 34.58 > 76.5
549 806 464 207 9.5 33.15 > 76.5
1000 971
650 1000 550 173 9.61 31.5 76
Table 2. Typical Performance Trade-Offs as a Function of Current Draw—Demodulator Mode
Note: Used on PCB 180° combiners and off PCB quadrature combiner with V
CC
= 5V, P
RF
= -3dBm, P
LO
= 0dBm, T
A
= +25°C,
IF1 = 28MHz, IF2 = 29MHz.