User Manual

MAX19999
Dual, SiGe High-Linearity, 3000MHz to
4000MHz Downconversion Mixer with LO Buffer
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DESIGNATION QTY DESCRIPTION SUPPLIER
C1, C8, C14 3 1.5pF microwave capacitors (0402) Murata Electronics North America, Inc.
C4, C9, C13,
C15, C17, C18
6 0.01µF microwave capacitors (0402) Murata Electronics North America, Inc.
C10, C11, C12,
C19, C20, C21
6 82pF microwave capacitors (0603) Murata Electronics North America, Inc.
L1–L4 4 120nH wire-wound high-Q inductors* (0805) Coilcraft, Inc.
750 ±1% resistor (0402). Use for V
CC
= +5.0V applications.
Larger values can be used to reduce power at the expense
of some performance loss. See the Typical Operating
Characteristics.
Digi-Key Corp.
R1, R4 2
1.1k ±1% resistor (0402). Use for V
CC
= +3.3V applications.
Larger values can be used to reduce power at the expense
of some performance loss. See the Typical Operating
Characteristics.
Digi-Key Corp.
698 ±1% resistor (0402). Use for V
CC
= +5.0V applications.
Larger values can be used to reduce power at the expense
of some performance loss. See the Typical Operating
Characteristics.
Digi-Key Corp.
R2, R5 2
845 ±1% resistor (0402). Use for V
CC
= +3.3V applications.
Larger values can be used to reduce power at the expense
of some performance loss. See the Typical Operating
Characteristics.
Digi-Key Corp.
R3, R6 2
0 resistors (1206). These resistors can be increased in
value to reduce power dissipation in the device but will
reduce the compression point. Full P
1dB
performance
achieved using 0.
Digi-Key Corp.
T1, T2 2 4:1 IF balun TC4-1W-17+ Mini-Circuits
U1 1 MAX19999 IC (36 TQFN-EP) Maxim Integrated Products, Inc.
Table 1. Application Circuit Component Values
* Use 390nH (0805) inductors for an IF frequency of 200MHz. Contact the factory for details.