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A81-1 View Datasheet(PDF) - M/A-COM Technology Solutions, Inc.

Part Name
Description
MFG CO.
A81-1
MA-COM
M/A-COM Technology Solutions, Inc. 
A81-1 Datasheet PDF : 3 Pages
1 2 3
A81-1 / SMA81-1
Cascadable Amplifier
20 to 250 MHz
Rev. V3
Features
High Reverse Isolation : >30 dBm (TYP.)
Low Noise: 2.4 dB (TYP.)
High Gain: 25 dB (TYP.)
High Level Output: +13.5 dBm (TYP.)
Description
The A81-1 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
Product Image
Part Number
A81-1
SMA81-1
CA81-1**
Package
TO-8
Surface Mount
SMA Connectorized
** The connectorized version is not RoHs compliant.
Electrical Specifications: Z0 = 50, VCC = 15 VDC
Parameter
Frequency
Small Signal Gain (min)
Gain Flatness (max)
Reverse Isolation
Units
MHz
dB
dB
dB
Typical
25ºC
10-300
25.0
±0.1
31
Guaranteed
0º to 50ºC -54º to +85ºC
20-250
20-250
24.0
23.5
±0.5
±0.7
Noise Figure (max)
dB
2.5
3.3
3.8
Power Output
@ 1 dB comp. (min)
dBm
13.5
12.5
12.0
IP3
dBm
+27
Absolute Maximum Ratings
Parameter
Absolute
Maximum
Storage Temperature -62ºC to +125ºC
Case Temperature
125ºC
DC Voltage
+17 V
Continuous Input Power
+10 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
Thermal Data: VCC = 15 VDC
IP2
dBm
+33
Second Order Harmonic IP dBm
+41
VSWR Input / Output (max)
1.5:1 / 1.5:1 1.9:1 / 1.9:1
DC Current (max)
mA
25
27
2.0:1 / 2.0:1
29
Parameter
Thermal Resistance θjc
Transistor Power Dissipation Pd
Junction Temperature Rise
Above Case Tjc
Rating
171ºC/W
0.098 W
17ºC
1
Over temperature performance limits for part number CA81-1, guaranteed from 0oC to +50oC only.
M/A-COM Technology Solutions Inc. (MACOM) and its affiliates reserve the right to make changes to the product(s) or information contained herein without notice.
Visit www.macom.com for additional data sheets and product information.
For further information and support please visit:
https://www.macom.com/support

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