
Cascadable Amplifier  
10 to 500 MHz 
A83/ SMA83 
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. 
V2  
1 
Electrical Specifications:  Z
0
 = 50
, V
CC
 = +15 V
DC
Parameter 
Units 
Typical 
Guaranteed 
25oC 
0o to 50oC -54o to +85oC* 
Frequency 
MHz 
10-600 
10-500 
10-500 
Small Signal Gain (min) 
dB 
30.0 
29.0 
28.0 
Gain Flatness (max) 
dB 
±0.3 
±0.5 
±0.8 
Reverse Isolation 
dB 
40 
Noise Figure (max) 
dB 
3.0 
3.5 
4.0 
Power Output 
@ 1 dB comp. (min) 
dBm 
-1.0 
-2.0 
-4.0 
IP3 
dBm 
+10 
IP2 
dBm 
+14 
Second Order Harmonic IP 
dBm 
+20 
VSWR Input / Output (max) 
1.3:1 / 1.3:1 
1.8:1 / 1.8:1 
2.0:1 / 2.0:1 
DC Current @ 15 Volts (max) 
mA 
13 
15 
16 
Features 
 
HIGH GAIN-TWO STAGES: 30 dB (TYP.) 
 
LOW POWER DRAIN 65 mW @ 5 VOLTS (TYP.) 
 
VOLTAGE CONTROLLED GAIN 27 dB TO 34 dB     
@ Vcc = 3 TO 12 VOLTS 
 
LOW VSWR 1.3:1 (TYP.) 
Description 
The A83 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 
A83 
TO-8 
SMA83 
Surface Mount 
CA83 
SMA Connectorized 
Absolute Maximum Ratings 
Parameter 
Absolute 
Maximum 
Storage Temperature 
-62oC to +125oC 
Case Temperature 
+125oC 
DC Voltage 
+13 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 
Thermal Data: V
CC
 = +15 V
DC
Parameter 
Rating 
Thermal Resistance θ
jc
45oC/W 
Transistor Power Dissipation P
d
0.193 W 
Junction Temperature Rise 
Above Case T
jc
9oC 
* Over temperature performance limits for part number CA83, guaranteed from 0
o
C to +50
o
C only.