55
3
ORIENTATION IN TAPE
The DB0603N 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 RFAP LGA 3dB 90° Coupler will be offered in a variety of
frequency bands compatible with various types of high frequency
wireless systems.
APPLICATIONS
• Balanced Amplifiers and Signal Distribution in
Wireless Communications
L
T
S
W
B
A
DIMENSIONS:
millimeters (inches) Bottom View
L1.60±0.10
(0.063±0.004)
W0.84±0.10
(0.033±0.004)
T0.60±0.10
(0.024±0.004)
A0.25±0.05
(0.010±0.002)
B0.20±0.05
(0.008±0.002)
S0.05±0.05
(0.002±0.002)
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
GENERAL DESCRIPTION
RFAP TECHNOLOGY
IN
50
OHM OUT 1
OUT 2
LAND GRID ARRAY
ADVANTAGES:
• Inherent Low Profile
• Self Alignment during Reflow
• Excellent Solderability
• Low Parasitics
• Better Heat Dissipation
FEATURES
• Miniature 0603 size
• Low I. Loss
• High Isolation
• Surface Mountable
• RoHS Compliant
• Supplied on T&R
Recommended Pad Layout Dimensions mm (inches)
1.75 (0.069)
0.50
(0.020)
0.40
(0.016)
1.10
(0.043)
Part Number Frequency Port Return Loss Isolation Insertion Loss Ampltidue Phase Balance Power
MHz Impedance [dB] [dB] [dB] Balance (Relative to 90º) Handing
Ω[dB] Deg Watts
Min. Max. Typ. Min. Typ. Min. Typ. Typ. Max. Typ. Max. Typ. Max Max.
DB0603N2140ANTR 2040 2240 50 15 26 15 23 0.30 0.40 0.50 0.80 2 3 3
DB0603N2400ANTR 2300 2500 50 12 17 15 23 0.25 0.35 0.30 0.80 2 3 3
DB0603N3000ANTR 2850 3150 50 12 15 15 26 0.20 0.30 0.30 0.80 2 3 3
DB0603N3500ANTR 3300 3700 50 12 15 15 26 0.20 0.30 0.30 0.80 2 3 3
ELECTRICAL PARAMETERS
56
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
2040MHz to 2240MHz DB0603N2140ANTR
Return Loss - Input
-30
-28
-26
-24
-22
-20
2030 2060 2090 2120 2150 2180 2210 2240
Frequency (MHz)
dB
Insertion Loss
-1.8
-1.2
-0.6
0
2030 2060 2090 2120 2150 2180 2210 2240
Frequency (MHz)
dB
Amplitude Balance
-2
-1
0
1
2
2030 2060 2090 2120 2150 2180 2210 2240
Frequency (MHz)
dB
57
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
2040MHz to 2240MHz DB0603N2140ANTR
Phase Balance
-8
-4
0
4
8
2030 2060 2090 2120 2150 2180 2210 2240
Frequency (MHz)
dB
Isolation
-26
-24
-22
-20
-18
-16
2030 2060 2090 2120 2150 2180 2210 2240
Frequency (MHz)
dB
58
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
2200MHz to 2600MHz DB0603N2400ANTR
Return Loss - Input
-20
-18
-16
-14
-12
-10
2200 2300 2400 2500 2600
Frequency (MHz)
dB
Insertion Loss
-1.8
-1.2
-0.6
0
2200 2300 2400 2500 2600
Frequency (MHz)
dB
Amplitude Balance
-2
-1
0
1
2
2200 2300 2400 2500 2600
Frequency (MHz)
dB
59
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
2200MHz to 2600MHz DB0603N2400ANTR
Phase Balance
-8
-4
0
4
8
2200 2300 2400 2500 2600
Frequency (MHz)
dB
Isolation
-30
-28
-26
-24
-22
-20
2200 2300 2400 2500 2600
Frequency (MHz)
dB
60
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
2850MHz to 3150MHz DB0603N3000ANTR
Return Loss - Input
-20
-18
-16
-14
-12
-10
2800 2900 3000 3100 3200
Frequency (MHz)
dB
Insertion Loss
-1.8
-1.2
-0.6
0
2800 2900 3000 3100 3200
Frequency (MHz)
dB
Amplitude Balance
-2
-1
0
1
2
2800 2900 3000 3100 3200
Frequency (MHz)
dB
61
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
2850MHz to 3150MHz DB0603N3000ANTR
Phase Balance
-8
-4
0
4
8
2800 2900 3000 3100 3200
Frequency (MHz)
dB
Isolation
-30
-28
-26
-24
-22
-20
2800 2900 3000 3100 3200
Frequency (MHz)
dB
62
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
3200MHz to 3800MHz DB0603N3500ANTR
Return Loss - Input
-20
-18
-16
-14
-12
-10
3200 3300 3400 3500 3600 3700 3800
Frequency (MHz)
dB
Insertion Loss
-1.8
-1.2
-0.6
0
3200 3300 3400 3500 3600 3700 3800
Frequency (MHz)
dB
Amplitude Balance
-2
-1
0
1
2
3200 3300 3400 3500 3600 3700 3800
Frequency (MHz)
dB
63
3
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
Thin-Film Directional Couplers
DB0603N 3dB 90° Couplers
3200MHz to 3800MHz DB0603N3500ANTR
Phase Balance
-8
-4
0
4
8
3200 3300 3400 3500 3600 3700 3800
Frequency (MHz)
dB
Isolation
-30
-28
-26
-24
-22
-20
3200 3300 3400 3500 3600 3700 3800
Frequency (MHz)
dB
75
3
Thin-Film Directional Couplers
DB0805 3dB 90° Couplers
I. Loss 1
I. Loss 2
-3.0
-3.2
-3.3
-3.4
-3.5
-3.1
2275 2300 2325 2350 2375
Frequency (MHz)
dB
R. Loss
Isolation
-10
-12
-14
-16
-18
-20
-22
-24
-26
-28
-30
2275 2300 2325 2350 2375
Frequency (MHz)
dB
2325 ± 50MHz DB0805A2325AWTR
