SiGe, High-Linearity, 2300MHz to 4000MHz

Upconversion/Downconversion Mixer with LO Buffer

6 ______________________________________________________________________________________

5.0V SUPPLY AC ELECTRICAL CHARACTERISTICS (DOWNCONVERTER MODE,

(Typical Application Circuit with tuning elements outlined in Table 1, RF and LO ports are driven from 50I sources. Typical values

(Note 6)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Conversion Loss

8.1

dB

Loss Variation vs. Frequency

D

100MHz band

0.15

dB

Conversion Loss Temperature

Coefficient

0.008

dB/NC

Third-Order Input Intercept

Point

IIP3

34

dBm

Third-Order Input Intercept

Variation Over Temperature

±0.2

dB

2LO - 2RF Spurious Rejection

2 x 2

67

dBc

62

3LO - 3RF Spurious Rejection

3 x 3

79

dBc

69

RF Input Return Loss

LO on and IF terminated into a matched

impedance

23

dB

LO Input Return Loss

RF and IF terminated into a matched

impedance

17

dB

IF Output Impedance

Nominal differential impedance at the IC’s

IF outputs

50

I

IF Output Return Loss

RF terminated into 50I, LO driven by a

50I source, IF transformed to 50I using

external components shown in the Typical

Application Circuit

13.6

dB

RF-to-IF Isolation

39

dB

LO Leakage at RF Port

-29.5

dBm

2LO Leakage at RF Port

-43

dBm

LO Leakage at IF Port

-28.6

dBm