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PRODUCT SPECIFICATION
AVX Thin Film Operation ITF Series DB0805A2017ASTR Specification 15 October 2009.doc
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DB0805A 3dB 90° COUPLER 2017 MHz
DB0805A2017ASTR
ITF TECHNOLOGY
The DB00805A 3dB 90° Coupler is based on
thin-film multilayer technology.
The technology provides a miniature part with
excellent high frequency performance and
rugged construction for reliable automatic
assembly.
The ITF SMD 3dB 90° Coupler will be offered
in a variety of frequency bands compatible with
various types of high frequency wireless
systems.
FEATURES:
• Miniature 0805 size
• Low I.Loss
• High Isolation
• Surface mountable
• RoHS Compliant
• Supplied on T&R
APPLICATIONS:
• Balanced Amplifiers and
Signal Distribution in
Wireless Communications
ORIENTATION IN TAPE
ELECTRICAL PARAMETERS:
(Guaranteed over -40°C to +85°C Operating
Temperature Range)
Parameter Min. Typ. Max. Unit
Frequency 2010 2025 MHz
Port Impedance 50
Ω
Return Loss 12 26 dB
Isolation 12 17 dB
Insertion Loss 0.25 0.4 dB
Amplitude
Balance
0.4 0.8 dB
Phase Balance
(relative to 90º)
1 3 Degrees
Power Handling 5 Watts
DIMENSIONS - mm (inches)
(Bottom View)
RECOMMENDED PAD LAYOUT (mm)
L 2.03±0.1
(0.080±0.004)
W 1.55±0.1
(0.061±0.004)
T 0.98±0.15
(0.037±0.006)
A 0.56±0.25
(0. 022 ±0.010)
B 0.35±0.15
(0.014±0.006)
B ottom View
IN
OUT2
OUT1
Code
Letter
Marking
IN
OUT2
OUT1
50
OHM
1.76
0.15 typ.
0.7
2.24
0.64
Ground
50
OHM
