Quick Start

The MAX2622/MAX2623/MAX2624 EV kits are fully

assembled and factory tested. Follow the instructions in

the Connections and Setup section for proper device

evaluation.

Test Equipment Required

This section lists the recommended test equipment to

verify operation of the MAX2622/MAX2623/MAX2624. It

is intended as a guide only, and some substitutions are

possible.

•

A two-channel power supply at +2.7V to +5.5V

•

An ammeter (optional)

•

An RF spectrum analyzer (HP 8561E, for example)

that covers the operating frequency range of the

MAX2622/MAX2623/MAX2624, as well as a few har-

monics

•

A 50

Ω SMA cable

Connections and Setup

This section provides a step-by-step guide to the func-

tions and operation of these EV kits.

1) Connect a DC supply set to +3V (through an amme-

EV kit.

2) Apply +3V to the SHDN control input.

3) Turn on the DC supply. The supply current should

read about 8mA.

4) Connect the VCO output to a spectrum analyzer

with a 50

Ω coaxial cable.

5) Apply a variable DC voltage to the TUNE input

(+0.4V to +2.4V).

varying the tuning voltage.

7) Check the output power level (-3dBm typ).

General Description

The MAX2622/MAX2623/MAX2624 evaluation kits

(EV kits) simplify evaluation of the MAX2622/MAX2623/

MAX2624 VCOs. These kits enable testing of the

devices’ RF performance and require no additional

support circuitry. The signal output uses an SMA con-

nector to facilitate the connection to RF test equipment.

Features

o Easy Evaluation of MAX2622/MAX2623/MAX2624

o +2.7V to +5.5V Single-Supply Operation

o RF Output Matched to 50Ω

o All Critical Peripheral Components Included

MAX2622/MAX2623/MAX2624 Evaluation Kits

________________________________________________________________ Maxim Integrated Products

1

19-1528; Rev 1; 5/00

SUPPLIER

PHONE

FAX

Murata Electronics

800-831-9172

814-238-0490

Component List

Taiyo Yuden

408-573-4150

408-573-4159

PART

MAX2622EVKIT

MAX2623EVKIT

-40°C to +85°C

-40°C to +85°C

TEMP. RANGE

IC-PACKAGE

8 µMAX

8 µMAX

Ordering Information

Component Suppliers

MAX2622EUA, MAX2623EUA, or

MAX2624EUA

1

U1

3-pin headers

4

JU1

SMA connector (PC edge mount)

EFJohnson 142-0701-801 or

Digi-Key J502-ND

1

OUT

1k

Ω ±5% resistors (0603)

2

R1, R2

0

Ω resistor (0603)

1

C6

220pF ±5% ceramic capacitors (0603)

Murata GRM39COH0G221J50

4

C2, C3, C4, C8

DESCRIPTION

QTY

DESIGNATION

MAX2624EVKIT

-40°C to +85°C

8 µMAX

For free samples and the latest literature, visit www.maxim-ic.com or phone 1-800-998-8800.

For small orders, phone 1-800-835-8769.

0.1µF ±5% ceramic capacitor (0603)

Taiyo Yuden EMK107BJ104KA

1

C7

NOTE: Please indicate that you are using the MAX2622,

MAX2623, or MAX2624 when contacting these component

suppliers.