MAX2360 Evaluation Kit
Component Suppliers
SUPPLIER
Alpha Industries
AVX
Coilcraft
EFJohnson
Murata
Taiyo Yuden
Toko
PHONE
617-935-5150
803-946-0690
847-639-6400
402-474-4800
949-852-2001
408-573-4150
708-297-0070
FAX
617-933-2359
803-626-3123
847-639-1469
402-474-4858
949-852-2002
408-573-4159
708-699-1194
Evaluates: MAX2360/MAX2362/MAX2364
Note:
Please indicate that you are using the MAX2360 when
contacting these component suppliers.
Quick Start
The MAX2360 EV kit is fully assembled and factory test-
ed. Follow the instructions in the
Connections and
Setup
section.
Test Equipment Required
This section lists the recommended test equipment to
verify the operation of the MAX2360. It is intended as a
guide only, and substitutions may be possible.
鈥?One RF signal generator capable of delivering
-7dBm of output power in the 10MHz to 50MHz fre-
quency range (HP 8648A or equivalent) for the PLL
reference frequency
鈥?An RF spectrum analyzer with optional CDMA per-
sonality (Rohde & Schwarz FSEA20 or equivalent)
鈥?A power supply that can provide 250mA at +3.0V
鈥?Low-noise power supply (HP 6236B or equivalent),
or voltage regulator
鈥?Optionally, an additional voltage source for external
control of VGA functions
鈥?I/Q arbitrary waveform generator or CDMA generator
(HP E4433B or equivalent)
鈥?PC (486DX33 or better) with Win95
庐
or Win98
庐
operating system and an available parallel port
鈥?INTF2300 interface board (supplied with EV kit)
Connections and Setup
This section provides step-by-step instructions for get-
ting the EV kit up and running in cellular and PCS
CDMA modes.
Win95 and Win98 are registered trademarks of Microsoft Corp.
Cellular CDMA Mode
Perform the following steps to evaluate the MAX2360 in
the cellular CDMA mode:
1) Verify shunts JU4, JU6鈥揓U10, and JU12 are in
place. Connect the cellular VCO module side of
JU2 to the low-noise power supply or a regulator.
This is to prevent excessive supply pushing, which
degrades the ACPR of narrow-band modulation
such as IS-136, even though the ACPR of CDMA-
modulated signals is not affected.
2) Connect the INTF2300 interface cable as shown in
Figure 7.
Note:
Pin 1 of the interface cable corre-
sponds to the red wire. Pin 1 is designated in
silkscreen on each of the PC boards.
3) Download the serial-interface control software at
www.maxim-ic.com/techsupport/other/htm and
install on a PC with a parallel port.
4) Connect a +2.85V power supply to the V
BAT
and
V
REG
terminals. The INTF2300 board derives its
power from the MAX2360 EV kit.
5) Connect a function generator to the REF port, con-
figured for a sine wave with a frequency of
19.68MHz and an amplitude of -13dBm.
6) Connect a CDMA baseband signal generator to the
I and Q ports using a BNC connector. Configure the
output for 200mV
RMS
. The EV kit includes trans-
formers at the I and Q inputs that do not pass sig-
nals below 50kHz. For evaluation of digital mode
with low-frequency content, bypass the transformer
as described in the
Detailed Description.
7) Install and run Maxim CDMA control software.
Software is also available on the Web at
www.maxim-ic.com. On the IC selection form, click
on the MAX2360 control button.
8) With the MAX2360 control screen active, click on the
cellular CDMA preset located at the left of the
screen.
9) Click on the Send Data button for each of the con-
trol registers located at the right of the screen.
There are seven registers that need to be down-
loaded to the IC. The Lock LED on the screen
should be red, indicating lock.
10) Set the VGA control to 2.5VDC by rotating poten-
tiometer R66. Optionally, an external VGA control
voltage may be used by removing jumper JU4 and
applying a DC voltage to header VGC. Current con-
sumption is about 150mA. This includes the RF
VCO and the potentiometers.
11) Connect RFL to the spectrum analyzer. Configure a
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