Datasheet > A81

A81

更新时间： 2024-11-05 06:35:39

品牌	Logo	应用领域
泰科 - TE		/
页数	文件大小	规格书
2页	381K
描述
Cascadable Amplifier 20 to 250 MHz

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数据手册

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A81 数据手册

RoHS

Compliant

Cascadable Amplifier

2 0 to 2 5 0 M H z

A8 1 / S M A8 1

V 3

Features

Product Image

HIGH REVERSE ISOLATION: >30 dB (TYP.)

HIGH GAIN: 26 dB (TYP.)

HIGH LEVEL OUTPUT: +17 dBm (TYP.)

LOW NOISE: 2.6 dB (TYP.)

Description

The A81 RF amplifier is a discrete hybrid design, which uses

thin film manufacturing processes for accurate performance

and high reliability.

The 2 stage silicon bipolar feedback amplifier design displays

impressive performance over a broadband frequency range.

An isolation transformer is used in the feedback loop, with the

benefit of high reverse isolation.

Both TO-8 and Surface Mount packages are hermetically

sealed, and MIL-STD-883 environmental screening is available

Ordering Information

Part Number

Package

A81

TO-8

SMA81

CA81**

Surface Mount

SMA Connectorized

** The connectorized version is not RoHs compliant.

Electrical Specifications: Z₀= 50W, V_CC= +15 V_DC

Absolute Maximum Ratings

Parameter

Absolute

Maximum

Typical

25ºC

10-300

25.5

Guaranteed

Parameter

Units

0º to 50ºC -54º to +85ºC*

Storage Temperature

Case Temperature

DC Voltage

-62ºC to +125ºC

125ºC

Frequency

MHz

20-250

24.5

20-250

24.0

+17 V

Small Signal Gain (min)

Gain Flatness (max)

Reverse Isolation

Continuous Input Power

+10 dBm

±0.1

±0.5

±0.7

Short Term Input power

(1 minute max.)

50 mW

0.5 W

125ºC

Peak Power (3 µsec max.)

Noise Figure (max)

3.0

3.5

4.0

—S“ Series Burn-In

Temperature (case)

Power Output

@ 1 dB comp. (min)

dBm

17.0

16.0

15.5

Thermal Data: V_CC= +15 V_DC

IP3

dBm

+28

+35

+41

Parameter

Rating

IP2

Thermal Resistance K_jc

184ºC/W

0.155 W

Second Order Harmonic IP

VSW R Input / Output (max)

DC Current @ 15 Volts (max)

Transistor Power Dissipation P_d

1.5:1 / 1.5:1 1.9:1 / 1.9:1

33 37

2.0:1 / 2.0:1

Junction Temperature Rise

Above Case T_jc

28ºC

* Over temperature performance limits for part number CA81, guaranteed from 0^oC to +50^oC only.

M/A-COM Inc. and its affiliates reserve the right to make changes to the

product(s) or information contained herein without notice. M/A-COM makes

no warranty, representation or guarantee regarding the suitability of its

products for any particular purpose, nor does M/A-COM assume any liability

whatsoever arising out of the use or application of any product(s) or

information.

• North America Tel: 800.366.2266 / Fax: 978.366.2266

• Europe Tel: 44.1908.574.200 / Fax: 44.1908.574.300

• Asia/Pacific Tel: 81.44.844.8296 / Fax: 81.44.844.8298

Visit www.macom.com for additional data sheets and product information.

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