Datasheet > CMM3554-RK-000T

CMM3554-RK-000T

更新时间： 2024-09-21 21:07:03

品牌	Logo	应用领域
MIMIX		射频微波
页数	文件大小	规格书
4页	52K
描述
Narrow Band Medium Power Amplifier, 3450MHz Min, 3500MHz Max, PLASTIC, SO-8

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CMM3554-RK-000T 技术参数

生命周期：	Obsolete	Reach Compliance Code：	unknown
风险等级：	5.17	特性阻抗：	50 Ω
构造：	COMPONENT	增益：	26 dB
最大输入功率 (CW)：		最大工作频率：	3500 MHz
最小工作频率：	3450 MHz	最高工作温度：	70 °C
最低工作温度：	-40 °C	射频/微波设备类型：	NARROW BAND MEDIUM POWER
Base Number Matches：	1

CMM3554-RK-000T 数据手册

CMM3554

P re lim in a ry P ro d u c t In fo rm a t io n

3.45 to 3.5 GHz

7.0V, +24 dBm

W-CDMA Power Amplifier

Au g u s t 1 9 9 9

(1 of 4)

Features

❏ 7.0V Bias Voltage

❏ +24 dBm Linear Output Power (W-CDMA)

❏ 30 dB Gain at Operating Output

Functional Block Diagram

❏ Tested Under Digital Modulation (W-CDMA)

❏ New Low-Cost, Plastic, SO-8 Package

8 RF OUT/+V

7 RF OUT/+V

Applications

❏ Wireless Local Loop Subscriber Units

❏ Wireless Local Loop Base Stations

6 V

5 V

RF IN 4

Back plane is ground and

must be soldered to thermally

conductive ground plane.

The CMM3554 is packaged in a low-cost, space effi-

cient, SO-8 plastic power package that provides excellent elec-

trical stability and low thermal resistance. The part requires

minimal external circuitry for bias and matching to reduce

space and cost.

This device is unconditionally stable under all source

and load impedance.

Description

The CMM3554 is a 7.0 V, +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

WCDMA.

Absolute Maximum Ratings

Parameter

Rating

Parameter

Rating

Parameter

Rating

Drain Voltage (+V )

+8 V*

Power Dissipation

5 W

Operating Temperature

-30°C to +90°C

Drain Current (I )

RF Input Power

DC Gate Voltage (-V )

1.0 A

0 dBm*

-4.0 V*

Thermal Resistance

Storage Temperature

20°C/W

-65°C to +150°C

18 V

Channel Temperature

Soldering Temperature

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 |) not to exceed the minimum breakdown voltage (BV ) of +18V.

Recommended Operating Conditions

Parameter

Typ

Units

Parameter

Typ

Units

Drain Voltage (+V )

7.0

Volts

Operating Temperature (PC Board)

-40 to +70

°C

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.

Application Information

The CMM3554 is a three stage amplifier that requires a posi-

tive 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 CMM3554 can be operated over a range of supply volt-

ages 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.

Matching Circuits Output matching circuit is required to achieve

the output power and gain guaranteed. Celeritek’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. Celeritek recommends the

bias circuits shown in the evaluation circuit .

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

– Continued on Page 2 –

3236 Scott Boulevard

Santa Clara, California 95054

Phone: (408) 986-5060

Fax: (408) 986-5095

12 3 4

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与CMM3554-RK-000T相关器件

型号	品牌	获取价格	描述	数据表
CMM3566-LC	MIMIX	获取价格	3.45 to 3.5 GHz 7.0 V, +24 dBm W-cdma Power Amplifier
CMM3566-LC_07	MIMIX	获取价格	3.4 to 3.5 GHz, 7.0V, +24 dBm W-CDMA Power Amplifier
CMM3566-LC-0000	MIMIX	获取价格	3.4 to 3.5 GHz, 7.0V, +24 dBm W-CDMA Power Amplifier
CMM3566-LC-000T	MIMIX	获取价格	3.45 to 3.5 GHz 7.0 V, +24 dBm W-cdma Power Amplifier
CMM4	ETC	获取价格	Analog IC
CMM4000	MIMIX	获取价格	2.0-18.0 GHz GaAs MMIC
CMM4000_09	MIMIX	获取价格	2.0-18.0 GHz GaAs MMIC
CMM4000-BD	MIMIX	获取价格	2.0-18.0 GHz GaAs MMIC Low Noise Amplifier
CMM4000-BD_07	MIMIX	获取价格	2.0-18.0 GHz GaAs MMIC Buffer Amplifier
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