MAX7044_1 Datasheet, PDF (1/6 Pages) Maxim Integrated Products – Evaluation Kit

19-3615; Rev 0; 3/05
MAX7044 Evaluation Kit
General Description
The MAX7044 evaluation kit (EV kit) allows for a
detailed evaluation of the MAX7044 ASK transmitter. It
enables testing of the device’s RF performance and
requires no additional support circuitry. The RF output
uses a 50Ω matching network and an SMA connector
for convenient connection to test equipment. A reverse
polarity SMA is also included to connect to a 1/4-wave
whip antenna. The EV kit can also directly interface to
the user’s embedded design for easy data encoding.
The MAX7044EV kit comes in two versions: a 315MHz
version and a 433.92MHz version. The passive compo-
nents are optimized for these frequencies. These com-
ponents can easily be changed to work at RF frequen-
cies from 300MHz to 450MHz.
For easy implementation into the customer’s design, the
MAX7044 EV kit also features a proven PC board lay-
out, which can be easily duplicated for quicker time-to-
market. The EV kit Gerber files are available for down-
load at www.maxim-ic.com.
DESIGNATION
C1 (315MHz)
QTY
DESCRIPTION
12pF ±5%, 50V ceramic
1 capacitor (0603)
Murata GRM1885C1H120J
C1 (433MHz)
10.0pF ±5%, 50V ceramic
1 capacitor (0603)
Murata GRM1885C1H100J
C2 (315MHz)
18pF ±5%, 50V ceramic
1 capacitor (0603)
Murata GRM1885C1H180J
C2, C6 (433MHz)
15pF ±5%, 50V ceramic
2 capacitors (0603)
Murata GRM1885C1H150J
C4, C10
0.01µF ±10%, 50V ceramic
2 capacitors (0603)
Murata GRM188R71H103KA01
C5, C7, C16,
C18, C19
C6 (315MHz)
0 Not installed, capacitors
15pF ±5%, 50V ceramic
1 capacitor (0603)
Murata GRM1885C1H150J
Features
♦ Proven PC Board Layout
♦ Proven Components Parts List
♦ Multiple Test Points Provided on Board
♦ Available in 315MHz or 433.92MHz Optimized
Versions
♦ Adjustable Frequency Range from 300MHz to
450MHz*
♦ Fully Assembled and Tested
♦ Can Operate as a Stand-Alone Transmitter with
Included Battery
*Requires component changes
Ordering Information
PART
MAX7044EVKIT-315
MAX7044EVKIT-433
TEMP RANGE
-40°C to +85°C
-40°C to +85°C
IC PACKAGE
8 SOT23-8
8 SOT23-8
Component List
DESIGNATION
C11, C12
C14, C15
QTY
DESCRIPTION
220pF ±5%, 50V ceramic
2 capacitors (0603)
Murata GRM1885C1H221J
12pF ±5%, 50V ceramic
2 capacitors (0603)
Murata GRM1885C1H120J
2-pin header
JU1
1 Digi-Key S1012-36-ND or
equivalent
JU2, JU3
3-pin headers
2 Digi-Key S1012-36-ND or
equivalent
L1 (315MHz)
L1 (433MHz)
L3 (315MHz)
L3 (433MHz)
R1
1
27nH ±5% inductor (0603)
Coilcraft 0603CS-27NXJB
1
13nH ±5% inductor (0603)
Murata LGW18AN13NG00
1
18nH ±5% inductor (0603)
Coilcraft 0603CS-18NXJB
1
11nH ±5% inductor (0603)
Coilcraft 0603CS-11NXJB
1
5kΩ potentiometer
BC Components SM4W502
________________________________________________________________ Maxim Integrated Products 1
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.