19-0683; Rev 0; 11/06
MAX9986A Evaluation Kit
General Description
The MAX9986A evaluation kit (EV kit) simplifies the evalua-
tion of the MAX9986A 815MHz to 1000MHz base-station
downconversion mixer. It is fully assembled and tested
at the factory. Standard 50 Ω SMA connectors are
included on the EV kit’s input and output ports to allow
quick and easy evaluation on the test bench.
This document provides a list of test equipment required
to evaluate the device, a straightforward test procedure
to verify functionality, a description of the EV kit circuit,
the circuit schematic, a bill of materials (BOM) for the kit,
and artwork for each layer of the PCB.
Features
? Fully Assembled and Tested
? 815MHz to 1000MHz RF Frequency
? 960MHz to 1180MHz LO Frequency
? 50MHz to 250MHz IF Frequency
? 8.2dB Conversion Gain
? +25dBm IIP3
? 10dB Noise Figure
? Integrated LO Buffer
? Switch-Selectable (SPDT), Two LO Inputs
? -3dBm to +3dBm LO Drive
? 49dB LO1 to LO2 Isolation
? 50 Ω SMA Connectors on Input and Output Ports
? 4:1 Balun for Single-Ended IF Output
Ordering Information
PART
MAX9986AEVKIT
TEMP RANGE
T C = -40°C to +85°C**
IC PACKAGE
20 Thin QFN-EP*
* EP = Exposed paddle.
** T C = Case temperature.
Component List
DESIGNATION
QTY
DESCRIPTION
DESIGNATION
QTY
DESCRIPTION
10pF ±5%, 50V C0G ceramic
330nH ±5% wire-wound inductors
C1
1
capacitor (0603)
L1, L2
2
(0805)
Murata GRM1885C1H100J
Coilcraft 0805CS-331XJBC
C2, C4, C7, C8,
C10, C11, C12
C3, C5, C6, C9,
C13, C14
C15
J1– J4
7
6
1
4
82pF ±5%, 50V C0G ceramic
capacitors (0603)
Murata GRM1885C1H820J
0.01μF ±10%, 50V X7R ceramic
capacitors (0603)
Murata GRM188R71H103K
220pF ±5%, 50V C0G ceramic
capacitor (0402)
Murata GRM1555C1H221J
PCB edge-mount SMA RF
connectors
(flat-tab launch)
L3 ?
R1
R2
R3
R4
T1
1
1
1
1
1
1
30nH ±5% wire-wound inductor
(0603)
Coilcraft 0603CS-30NXJBC
953 Ω ±1% resistor (0603)
Any
619 Ω ±1% resistor (0603)
Any
0 Ω resistor (1206)
Any
47k Ω ± 5% resistor (0603)
4:1 transformer (200:50)
Mini-Circuits TC4-1W-7A
Johnson 142-0741-856
? L3
is used for improved RF-to-IF and LO-to-IF isolation.
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.
1
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