Model 1A1305-20
Rev. A
Directional Couplers
20 dB
an
Description
The 1A1305-20 is a low profile 20dB directional coupler in an easy to use
surface mount package covering the DCS and PCS bands. The 1A1305-20
is ideal for power and frequency detection as well as VSWR monitoring and
can be used in most high power designs. Parts have been subject to
rigorous qualification testing and units are 100% tested. They are
manufactured using materials with x and y thermal expansion coefficients
compatible with common substrates such as FR4, G-10 and polyamide.
Features:
• 1.5 - 2.2 GHz
• Low loss
• High Directivity
• Surface Mountable
• Tape And Reel
• Convenient Package
• 100% Tested
Outline Drawing
ELECTRICAL SPECIFICATIONS**
Frequency
Mean Insertion
Coupling Loss
GHz
dB
dB Max
VSWR
Max:1
Freq.
Sensitivity
dB Max
1.7 – 2.0
1.5 - 2.2
Directivity
dB Min
20.0 ± 1.5
20.0 ± 1.5
Power
Handling
Watts
0.25
0.25
ΘJC
ºC / Watt
1.20
1.20
Operating
Temp.
ºC
±0.20
±0.30
20
100
14.8
-55 to +85
20
100
14.8
-55 to +85
**Specification based on performance of unit properly installed on microstrip printed circuit
boards with 50 Ω nominal impedance. Specifications subject to change without notice.
Top View (Near-side)
Side View
Bottom View (Far-side)
Pin 1
.560±.010
[14.22±0.25]
.073±.007
[1.85±0.18]
Pin 2
.024±.004 TYP
[0.61±0.10]
Pin 2
Pin 1
GND
Pin 4
Denotes
Array Number
.350±.010
[8.89±0.25]
Pin 3
GND
Pin 3
.050±.008
[1.27±0.20]
.050±.008
[1.27±0.20]
Pin 4
Dimensions are in Inches [Millimeters]
1A1305-20 Rev A Mechanical Outline
Part Is Symmetric About All Axis
Available on Tape
and Reel For Pick and
Place Manufacturing.
USA/Canada:
Toll Free:
Europe:
(315) 432-8909
(800) 544-2414
+44 2392-232392
