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CA3028A
January 1999
File Number 382.5
Differential/Cascode Amplifier for
Commercial and Industrial Equipment
from DC to 120MHz
[ /Title
(CA30
28A)
Part Number Information
/Sub-
PART NUMBER
TEMP.
ject
(BRAND)
RANGE (
o
C)
PACKAGE
(Dif-
CA3028A
-55 to 125 8 Pin Metal Can
feren-
CA3028AE
-55 to 125 8 Ld PDIP
tial/Ca
CA3028AM96
-55 to 125 8 Ld SOIC Tape
scode
(3028A)
and Reel
Ampli-
fier for
Pinouts
Com-
CA3028A
(PDIP, SOIC)
mer-
TOP VIEW
cial
and
1
8
Indus-
2
7
trial
3
6
Equip-
ment
4
5
from
DC to
120M
CA3028A
(METAL CAN)
Hz)
TOP VIEW
/Autho
r ()
8
/Key-
1
7
words
2
6
(Har-
ris
5
3
Semi-
4
Features
• Controlled for Input Offset Voltage, Input Offset
Current and Input Bias Current
• Balanced Differential Amplifier Configuration with Con-
trolled Constant Current Source
• Single-Ended and Dual-Ended Operation
The CA3028A is a differential/cascode amplifier designed for
use in communications and industrial equipment operating
at frequencies from DC to 120MHz.
Applications
PKG.
NO.
T8.C
E8.3
M8.15
• RF and IF Amplifiers (Differential or Cascode)
• DC, Audio and Sense Amplifiers
• Converter in the Commercial FM Band
• Oscillator
• Mixer
• Limiter
• Related Literature
- Application Note AN5337 “Application of the CA3028
Integrated Circuit Amplifier in the HF and VHF Ranges.”
This note covers characteristics of different operating
modes, noise performance, mixer, limiter, and amplifier
design considerations
Schematic Diagram
(Terminal Numbers Apply to All Packages)
8
6
1
R
1
7
5kΩ
2
Q
1
Q
2
5
Q
3
R
2
2.8kΩ
4
R
3
500Ω
3
SUBSTRATE
AND CASE
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
Copyright
©
Harris Corporation 1999
HARRIS [ HARRIS CORPORATION ]
