19-1786; Rev 0; 3/01
MAX2644 Evaluation Kit
General Description
The MAX2644 evaluation kit (EV kit) simplifies the evalu-
ation of the MAX2644 low-noise amplifier (LNA). The kit
enables testing of the device鈥檚 performance and
requires no additional support circuitry. The signal input
and output use SMA connectors to facilitate easy con-
nection of RF test equipment.
The MAX2644 EV kit is fully assembled with the
MAX2644 and incorporates matching components opti-
mized for a 2450MHz RF frequency operation.
o
Easy Evaluation of MAX2644
o
+2.7V to +5.5V Single-Supply Operation
o
Matched to 50鈩?at 2450MHz
o
Fully Assembled and Tested
Features
Evaluates: MAX2644
Ordering Information
PART
MAX2644EVKIT
TEMP RANGE
-40掳C to +85掳C
IC-PACKAGE
8 SC70-6
Component Suppliers
SUPPLIER
Coilcraft
Kamaya
Murata Electronics
Taiyo Yuden
PHONE
847-639-6400
219-489-1533
800-831-9172
800-348-2496
FAX
847-639-1469
219-489-2261
814-238-0490
408-434-0375
WEBSITE
www.coilcraft.com
www.kamaya.com
www.murata.com
www.t-yuden.com
Component List
DESIGNATION
QTY
DESCRIPTION
33pF
卤5%,
50V ceramic
capacitors (0402)
Murata GRM36C0G330J050AD
or
Taiyo Yuden UMK105CH330JW
2.2pF 卤0.1pF, 50V ceramic
capacitor (0402)
Murata GRM36C0G2R2B050AD
or
Taiyo Yuden UMK105CH2R2CW
3.3nH
卤0.3nH
inductor (0402)
Murata LQG10A3N3S00 or
Coilcraft 0402CS-3N3XKBG
1.2k鈩?/div>
卤5%
resistor (0402)
SMA connectors
(PC edge-mount)
EFJohnson 142-0701-801 or
Digi-Key J502-ND
Test points, Mouser 151-203
MAX2644EXT (6-pin SC70)
MAX2644EVKIT PC board
MAX2644 EV kit data sheet
MAX2644 data sheet
Quick Start
The MAX2644 EV kit is fully assembled and factory test-
ed. Follow the instructions in the
Connections and
Setup
section for proper device evaluation.
C1, C2
2
Test Equipment Required
鈥?/div>
One RF signal generator capable of delivering
10dBm of output power and a frequency range
covering the MAX2644 (2400MHz to 2500MHz, for
example)
An RF spectrum analyzer that covers the operating
frequency range (HP8561E, for example)
DC power supply capable of supplying +2.7V to
+5.5V and 20mA of current
Two 50鈩?coaxial cables with SMA connectors
(Optional) An ammeter to measure supply current
(Optional) A noise figure meter
(Optional) Network analyzer to measure gain and
return loss
C3
1
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
L1
R1
1
1
RFIN, RFOUT
2
Connections and Setup
Checking Power Gain
1) Connect a DC supply (preset to +3.0V) to the VCC
and GND terminals (through an ammeter, if desired)
on the EV kit.
2) Set the RF generator for a 2450MHz output frequen-
cy at a -30dBm power level. Disable RF generates
1
VCC, GND
U1
None
None
None
2
1
1
1
1
________________________________________________________________
Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim鈥檚 website at www.maxim-ic.com.
MAX2644EVKIT 产品属性
1
RF/IF 和 RFID
RF 评估和开发套件，板
*
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