CMM3566-LC-0000 datasheet, PDF

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CMM3566-LC-0000: DescriptionNarrow Band Medium Power Amplifier, 3400MHz Min, 3500MHz Max, PLASTIC, LCC-8; CategoryWireless rf/communication Radio frequency and microwave; File Size183KB，4 Pages; ManufacturerMACOM; Websitehttp://www.macom.com

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CMM3566-LC-0000 Overview

Narrow Band Medium Power Amplifier, 3400MHz Min, 3500MHz Max, PLASTIC, LCC-8

CMM3566-LC-0000 Parametric

Parameter Name	Attribute value
Reach Compliance Code	compliant
Characteristic impedance	50 Ω
structure	COMPONENT
Gain	26 dB
Maximum input power (CW)
Maximum operating frequency	3500 MHz
Minimum operating frequency	3400 MHz
Maximum operating temperature	70 °C
Minimum operating temperature	-40 °C
RF/Microwave Device Types	NARROW BAND MEDIUM POWER
Base Number Matches	1

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3.4 to 3.5 GHz, 7.0V, +24 dBm

W-CDMA Power Amplifier

August 2007 - Rev 02-Aug-07

CMM3566-LC

Features

7.0V Bias Voltage

+24 dBm Linear Output Power (W-CDMA)

30 dB Gain at Operating Output

Tested Under Digital Modulation (W-CDMA)

Leadless Chip Carrier (LCC) Package

Functional Block Diagram

Ground Tab

Vg3

Vg2

Vg1

RF IN

RF OUT/+Vd3

Vd2

Vd1

Ground Tab

General Description

The CMM3566-LC is a 7.0V, +24 dBm, linear power amplifier

intended for use in PCS handsets and wireless local loop

subscriber units and base stations. The amplifier is biased to meet

the requirements of linear modulation systems of W-CDMA. The

CMM3566-LC is packaged in a low-cost, space efficient, power

package that provides excellent electrical stability and low

thermal resistance. The part requires minimal external circuitry for

bias and matching to reduce space and cost.

Applications

Wireless Local Loop Subscriber Units

Wireless Local Loop Base Stations

Absolute Maximum Ratings

Parameter

Rating

Parameter

Rating

Parameter

Rating

Drain Voltage (+Vd)

Drain Current (Id)

RF Input Power

DC Gate Voltage (-Vg)

+8 V*

1.0 A

0 dBm*

-4.0 V*

Power Dissipation

Thermal Resistance

Storage Temperature

BVGD

20°C/W

-65°C to +150°C

18 V

Operating Temperature

Channel Temperature

Soldering Temperature

-30°C to +90°C

150°C

240°C for 5 Sec.

* Max (+V

) and (-V

) under linear operation. Max potential difference across the device at 1dB gain compression point (2V

+|-V

1) not to exceed the minimum breakdown voltage (BVGD ) of +18V.

Recommended Operating Conditions

Parameter

Typ

Units

Parameter

Typ

Units

Drain Voltage (+Vd)

7.0

Volts

Operating Temperature (PC Board)

-40 to +70

°C

Application Information

The CMM3566-LC is a three stage amplifier that requires a

positive and a negative supply voltages for proper operation. It is

essential when turning on the device that the negative supply be

applied before the positive supply. When turning the device off,

the positive supply should be removed before the negative supply

is removed.

The CMM3566-LC can be operated over a range of supply

voltages and bias currents. It is important that the maximum power

dissipation specification for the package be observed at all times

and that the maximum voltage across the device not be exceeded.

supply voltage is applied to pins 5, 6, 7 and 8. The negative volt-

age supplies control the quiescent current of the device. The quies-

cent current needs to be set at the level specified in order to get the

guaranteed RF performances.

Negative bias voltages can also be used to control the gain,

the output power and the operating current during operation of the

device.

Matching Circuits

Output matching circuit is required to achieve

the output power and gain guaranteed. Mimix’s recommenda-

tion for the topology of the matching circuit is shown in the

schematic diagram of the test circuit in this data sheet.

In providing both the negative and positive bias voltages, it is

important to provide adequate de-coupling between the RF signal

and the DC voltages. Inadequate de-coupling could result in low

output power, low gain or oscillation. Mimix recommends the

bias circuits shown in the evaluation circuit .

– Continued on Page 2 –

Circuit Design Considerations

Biasing

Three negative voltages are needed to set the bias current

of the 3-stage GaAs FET power amplifier. The first stage bias is

controlled via Vg1. The second stage bias is controlled via Vg2.

The output stage is controlled via Vg3. The recommended divider

networks for each gate bias shown in the schematic. The positive

Mimix Broadband, Inc., 10795 Rockley Rd., Houston, Texas 77099

Tel: 281.988.4600 Fax: 281.988.4615 mimixbroadband.com

Page 1 of 4

Characteristic Data and Specifications are subject to change without notice.

Mimix Broadband, Inc.

Export of this item may require appropriate export licensing from the U.S. Government. In purchasing these parts, U.S. Domestic customers accept

their obligation to be compliant with U.S. Export Laws.

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