Rainbow Electronics MAX19995 - Manual (Page 27)

MAX19995
Dual, SiGe, High-Linearity, 1700MHz to 2200MHz
Downconversion Mixer with LO Buffer/Switch
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Table 1. Component Values
COMPONENT VALUE DESCRIPTION
C1, C2, C7, C8, C14, C16 39pF Microwave capacitors (0402)
C3, C6 0.033µF Microwave capacitors (0603)
C4, C5 — Not used
C9, C13, C15, C17, C18 0.01µF Microwave capacitors (0402)
C10, C11, C12, C19, C20, C21 150pF Microwave capacitors (0603)
L1, L2, L4, L5 330nH Wire-wound high-Q inductors (0805)
L3, L6 10nH
Wire-wound high-Q inductors (0603). Smaller values can be
used at the expense of some performance loss (see the
Typical Operating Characteristics).
806 Ω
± 1% r esi stor s ( 0402) . U sed for D C S/PC S b a n d , V C C = +5 .0 V
ap p l i cati ons. Lar g er val ues can b e used to r ed uce p ow er at the
exp ense of som e p er for m ance l oss.
681 Ω
±1% resistors (0402). Used for UMTS band, V CC = +5.0V
applications. Larger values can be used to reduce power at
the expense of some performance loss.
R1, R4
909 Ω ±1% resistors (0402). Used for V CC = +3.3V applications.
2.32k Ω
± 1% r esi stor s ( 0402) . U sed for D C S/PC S b a n d , V
C C
= +5 .0 V
ap p l i cati ons. Lar g er val ues can b e used to r ed uce p ow er at the
exp ense of som e p er for m ance l oss.
1.5k Ω
±1% resistors (0402). Used for UMTS band, V CC = +5.0V
applications. Larger values can be used to reduce power at
the expense of some performance loss.
R2, R5
2.49k Ω ±1% resistors (0402). Used for V CC = +3.3V applications.
R3, R6 0 Ω 0 Ω resistors (1206)
T1, T2 4:1 Transformers (200:50)
U1 — MAX19995 IC