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DC0350M20 Schematic ( PDF Datasheet ) - Yantel

Teilenummer DC0350M20
Beschreibung Directional Coupler
Hersteller Yantel
Logo Yantel Logo 




Gesamt 9 Seiten
DC0350M20 Datasheet, Funktion
Description
The DC0350M20 is a low profile, high performance 20dB directional
coupler. It is designed for DCS & PCS applications. This component is
suitable for feed-forward amplifier and signal sampling circuits where low
insertion loss, high directivity is required. It can be used in power
applications up to 20 Watts.
Parts have been subjected to rigorous qualification testing and they are
using materials with coefficients fo thermal expansion(CTE) compatible
with common substrates such as FR4, G-10, RF-35, RO4350B and
polyimide.
DC0350M20
Directional Coupler
Rev A0
Orientation Marker
Part No.
GND
Signal Pad
Features:
350-470 MHz
DCS & PCS
Low Insetion Loss
High Directivity
Low VSWR
Good Repeatability
CTE compatible with FR4, G-10,
RF-35, RO4350B and polyimide
Immersion gold, prevent surface
oxidation & scratch
RoHS Compliant
Tape & Reel Package available
Mechanical Outline
Electrical Specifications (typical)
Frequency
MHz
350~380
380~410
410~440
440~470
Insertion
Loss
dB
0.03
0.03
0.04
0.04
Coupling
dB
18.9~18.1
18.1~17.5
17.5~16.9
16.9~16.5
Power
Avg. CW Watts
20
Directivity
dB
17.1
17.1
17.0
17.0
Operating
Temp.
ºC
-55 to +85
VSWR
:1
1.11
1.11
1.12
1.13
Note:
1. All above test data resulting from specify demo board.
2. Insertion loss has removed the thru board loss.
TOP VIEW
Pin 1
SIDE VIEW BOTTOM VIEW
Pin 2
Pin 2
Pin 1
DC0350M20
Pin 4
Pin 3
Pin 3
Pin 4
Note: 1. All Dimensions show in Millimeters
2. RoHS Compliant in accordance with EU Directive(2002/95/EC)
3. Dimension tolerance: ±0.20
Yantel Corporation
Add Floor 2, Building 2, Gaofa Technology Park, Longjing, Nanshan, Shenzhen, China
Tel 86-755-8355-1886 Fax 86-755-8355-2533
For detailed performance specs & shopping online see Yantel web site : www.yantel-corp.com






DC0350M20 Datasheet, Funktion
Recommended PCB Layout
7.62
DC0350M20
Directional Coupler
Rev A0
0.50
VIA
2.54
1.62
Ø0.80
4X50Ω Line
NOTE:
1. 50Ω line width is shown above designing from RO4350B dieletric thickness 0.762mm; copper 1 OZ
2. Bottom side of the PCB is continuous ground plane.
3. All dimensions shown in mm.
Reflow Profile
melting point alloy
217-219
Preheat/soak
60-80sec
Soaking Zone
60-90sec
Peak temperature
235-255
Reflow Zone
50-90sec
cooldown
Time(s)
Yantel Corporation
Add Floor 2, Building 2, Gaofa Technology Park, Longjing, Nanshan, Shenzhen, China
Tel 86-755-8355-1886 Fax 86-755-8355-2533
For detailed performance specs & shopping online see Yantel web site : www.yantel-corp.com

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