TGA2803-SM Datasheet, PDF (1/11 Pages) TriQuint Semiconductor – CATV TIA/Gain Block

Advance Product Information
July 20, 2005
CATV TIA/Gain Block
TGA
2803
Top View
Bottom View
Product Description
The TriQuint TGA2803-SM is an ultra-
linear, packaged TIA/Gain Block
which operates from 40MHz to
1000MHz.
The TGA2803-SM typically provides
flat gain along with ultra-low distortion.
It also provides high output power with
low DC power consumption.
TGA2803-SM
Key Features and Performance
• Frequency Range: 40MHz - 1GHz
• 20 dB Flat Gain
• 800 Ω Transimpedance *
• <5pA/ √Hz Equivalent Input Noise Current *
• 1.5 dB 75 Ω Noise Figure
• Ultra-Low Distortion (45dBm IP3 typ.)
• Low DC Power Consumption
• Single Supply Bias (+8V)
• Proven GaAs Technology
• 20L Package Dimension: 4.0 x 4.0 x 0.9 mm
* Includes 1:1 balun, No photodiode or auto-transformer
Primary Applications
• HFC Nodes
• CATV Line Amplifiers
• Head End Equipment
75 : Output TOI
55
This amplifier is ideally suited for use
51
in CATV distribution systems or other
47
applications requiring extremely low
noise and distortion.
43
Demonstration Boards are available.
Lead-free and RoHS compliant.
Typical 75 : Gain
w/External Balun Losses Removed
24
39
35
0
100 200 300 400 500 600 700 800 900
Frequency (MHz)
Input Referred Current Noise
with High Impedance source
6
20
5
16
4
12
8
4
0
0
200
400
600
800
1000
1200
Frequency (MHz)
3
2
1
0
0
200
400
600
800
1000
1200
Frequency (MHz)
Note: This device is early in the characterization process prior to finalizing all electrical specifications. Specifications are subject to
change without notice.
1
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