MAX2620EVKIT Maxim Integrated Products, MAX2620EVKIT Datasheet

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MAX2620EVKIT

Manufacturer Part Number
MAX2620EVKIT
Description
RF Modules & Development Tools MAX2620 EVAL KIT MAX2620 EVAL KIT
Manufacturer
Maxim Integrated Products
Datasheet

Specifications of MAX2620EVKIT

Lead Free Status / RoHS Status
Lead free / RoHS Compliant
The MAX2620 evaluation kit (EV kit) simplifies evalua-
tion of the MAX2620 integrated oscillator with buffered
outputs. It includes a varactor-based tank circuit that
allows the VCO to tune across an approximately 30MHz
band in the 900MHz frequency range. Outputs utilize
50Ω SMA connectors. The EV kit has a test port that
facilitates complete characterization of the MAX2620
tank port, enabling resonators to be designed for fre-
quency ranges other than that supplied with the EV kit.
19-1248; Rev 1; 5/98
NOTE: All capacitors and resistors are size 0805 unless other-
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
________________General Description
____________________Component List
DESIGNATION
C2, C11, C14
C5, C13, C17
C1, C7–C10,
TEST PORT
OUT, OUT,
JU1, V
VCONT
C4, C6
R1, R3
SHDN
None
None
None
GND
C12
C15
C3
D1
R2
R4
R5
U1
L1
L4
L3
wise noted.
CC
,
QTY
6
0
1
2
3
1
1
3
1
0
1
3
2
1
0
1
1
1
1
1
1
1
________________________________________________________________ Maxim Integrated Products
1000pF, 10% ceramic capacitors
Not installed
2.7pF, 10% ceramic capacitor
1pF, 10% ceramic capacitors
1.5pF, 10% ceramic capacitors
10µF, ±10%, 25V tantalum capacitor
Sprague 293D106X9025D2
Varactor diode
Alpha Industries SMV1204-34
2-pin headers
Ceramic coaxial resonator
Trans-Tech SR8800LPQ1357BY
Not installed
10nH inductor
Coilcraft 0603HS-10NTJBC
SMA connectors (edge mount)
10Ω, 5% resistors
1kΩ, 5% resistor
Not installed
51Ω, 5% resistor
3-pin header
MAX2620EUA
SMA connector (PC mount)
Shunt
MAX2620 circuit board
MAX2620 data sheet
DESCRIPTION
MAX2620 Evaluation Kit
The MAX2620 EV kit is fully assembled and factory test-
ed. Follow the instructions in the Connections and
Setup section.
____________________________Features
_________________________Quick Start
__________Test Equipment Required
______________Component Suppliers
______________Ordering Information
MAX2620EVKIT
Alpha Industries
Coilcraft
Sprague
Trans-Tech
Complete, Tunable VCO Test Board with Tank
Circuit
Tuning in 900MHz Frequency Range
Low Phase Noise (-110dBc/Hz typical at 25kHz
offset from carrier)
Operates from Single +2.7V to +5.25V Supply
Two Output Buffers with 50Ω SMA Connectors
Low-Power Shutdown Mode
Test Port for Oscillator Tank Port Characterization
Fully Assembled and Tested
Power supplies . Low-noise power supplies are rec-
ommended for oscillator-noise measurements. This
is especially important for the tuning voltage sup-
plied to the varactor (VCONT). Noise or ripple on
the tuning voltage frequency-modulates the oscilla-
tor and causes spectral spreading. Batteries can be
used in place of power supplies, if necessary.
—DC supply capable of supplying +2.7V to +5.25V
—DC supply capable of supplying 0V to +3V, con-
SUPPLIER
at 20mA. Alternatively, use two or three 1.5V AA
batteries.
tinuously variable, for VCONT. Alternatively, use
two or three 1.5V batteries with a resistive volt-
age divider or potentiometer.
PART
(617) 935-5150
(847) 639-6400
(603) 224-1961
(301) 695-9400
TEMP. RANGE
-40°C to +85°C
PHONE
(617) 824-4579
(847) 639-1469
(603) 224-1430
(301) 695-7065
Surface Mount
BOARD TYPE
FAX
1

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MAX2620EVKIT Summary of contents

Page 1

... Operates from Single +2.7V to +5.25V Supply Two Output Buffers with 50Ω SMA Connectors Low-Power Shutdown Mode Test Port for Oscillator Tank Port Characterization Fully Assembled and Tested ______________Ordering Information PART TEMP. RANGE MAX2620EVKIT -40°C to +85°C ______________Component Suppliers SUPPLIER PHONE Alpha Industries (617) 935-5150 Coilcraft ...

Page 2

MAX2620 Evaluation Kit HP8561E spectrum analyzer, or equivalent high- sensitivity spectrum analyzer with approximately 3GHz frequency range. Contact the instrument manufacturer for information regarding phase-noise measurement capabilities. Digital multimeter (DMM) to monitor DC supply and VCONT, if desired Male SMA ...

Page 3

Use the test port provided on the MAX2620 EV kit to facilitate measurement by installing a 1000pF capac- itor at C2 and removing C5. (Remove C2 and install C5 to use the MAX2620 as an oscillator.) When using the ...

Page 4

... Maxim cannot assume responsibility for use of any circuitry other than circuitry entirely embodied in a Maxim product. No circuit patent licenses are implied. Maxim reserves the right to change the circuitry and specifications without notice at any time. 4 _____________________Maxim Integrated Products, 120 San Gabriel Drive, Sunnyvale, CA 94086 408-737-7600 © 1998 Maxim Integrated Products 1.0" ...

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