Cascadable Amplifier

5 to 500 MHz

Rev. V2

A74-2 / SMA74-2

1

1

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Parameter

Units

Typical

Guaranteed

25ºC

0º to 50ºC -54º to +85ºC*

Frequency

MHz

1-550

5-500

5-500

Small Signal Gain (min)

dB

26.0

25.0

24.0

Gain Flatness (max)

dB

±0.8

±1.0

±1.2

Reverse Isolation

dB

36

Noise Figure (max)

dB

3.8

4.3

4.8

Power Output

@ 1 dB comp. (min)

dBm

-1.0

-2.0

-2.0

IP3

dBm

+10

IP2

dBm

+16

Second Order Harmonic IP

dBm

+20

VSWR Input / Output (max)

1.5:1 / 1.5:1

1.9:1 / 1.9:1

2.0:1 / 2.0:1

DC Current @ 5 Volts (max)

mA

13

16

18

Features

 AVAILABLE IN SURFACE MOUNT

 HIGH GAIN - TWO STAGES: 26 dB (TYP.)

 LOW POWER DRAIN 65 m W AT 5 VOLTS

Description

The A74-2 RF amplifier is a discrete hybrid design, which uses

thin film manufacturing processes for consistent performance

and high reliability.

This 2 stage bipolar transistor feedback amplifier design

displays impressive performance over a broadband

frequency range. An active DC biasing network insures

temperature-stable performance.

Both TO-8 and Surface Mount packages are hermetically

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

Product Image

Ordering Information

Part Number

Package

A74-2

TO-8

SMA74-2

Surface Mount

MAAM-008729-0CA742

SMA Connectorized **

Absolute Maximum Ratings

Parameter

Absolute

Maximum

Storage Temperature

-62ºC to +125ºC

Case Temperature

125ºC

DC Voltage

+7 V

Continuous Input Power

+6 dBm

Short Term Input power

(1 minute max.)

50 mW

Peak Power (3 µsec max.)

0.5 W

“S” Series Burn-In

Temperature (case)

125ºC

Parameter

Rating

45ºC/W

0.023 W

Junction Temperature Rise

1ºC

** The connectorized version is not RoHs compliant.