DC Pass, High Power
BDCH-25-33+
Bi-Directional Coupler
50Ω 25dB Coupling 150W 800 to 3000 MHz
Features
Maximum Ratings
Operating Temperature, case**
Storage Temperature
DC Current
• High power, up to 150W
• Ultra wideband, 800 - 3000 MHz
• Low insertion loss, 0.2 dB
• DC current pass through input to output
-55°C to 105°C
-55°C to 105°C
2A
CASE STYLE: PQ2098
Power Input*
150W @+85°C, case
*Derate to 120W at +95°C and 90W at +105°C case temperature
**Case temperature is defined as temperature on base plate.
Permanent damage may occur if any of these limits are exceeded.
Applications
+RoHS Compliant
• VHF/UHF high power radio
• Transmission signal monitoring
• Antenna reflection monitoring
• Wireless transmitters
The +Suffix identifies RoHS Compliance. See our web site
for RoHS Compliance methodologies and qualifications
Pad Connections***
INPUT
1
2
4
3
5
• Distributed antenna systems (DAS)
OUTPUT
COUPLED FORWARD
COUPLED REVERSE
GROUND
Electrical Specifications @ +25°C
***Model is symmetrical and all ports are interchangeable, see port
Parameter
Condition (MHz)
Min.
800
—
Typ.
Max.
3000
0.3
—
Units
MHz
dB
configuration table.
Frequency Range
Insertion Loss *
Coupling
Outline Drawing
800 - 3000
800 - 3000
800 - 3000
800 - 3000
800 - 3000
800 - 3000
800 - 3000
800 - 3000
800 - 3000
800 - 3000
800 - 3000
0.2
25±1.0
±0.6
28
TOP SIDE
A
—
dB
3
4
—
—
Coupling Flatness
Directivity
dB
MCL
B
PCB LAND PATTERN
21
22
22
22
—
—
dB
1
2
J
C
INDEX
31
—
Return Loss (Input)
Return Loss (Output)
Return Loss (Coupling)
dB
K TYP
K TYP
P
L TYP
BOTTOM SIDE
31
—
D TYP
dB
INDEX
1
D TYP
5 GROUND PLANE
2
3
M TYP
31
—
dB
E
N
—
150
120
90
@+85°C, case
4
G TYP
F TYP
H
METALLIZATION
SOLDER RESIST
—
—
Input RF Power
@+95°C, case
@+105°C, case
W
Base material: Printed wiring laminate.
Termination Finish: 2-5 μinch (0.05-0.13 microns) Immersion Gold.
—
—
inch
—
0.3
—
Thermal Resistance
°C/W
Outline Dimensions (
)
mm
* Does not include theoretical loss. Nominal theoretical loss 0.01 dB.
A
B
C
D
E
F
G
H
1.000 0.500 .051 .055 .200 .013 .030 0.700
25.40 12.70 1.30 1.40 5.08 0.33 0.76 17.78
Electrical Schematic
J
K
L
M
N
P
wt.
grams
2.0
1
.010 .060 .030 .015 .830 .510
25.65 1.52 0.76 0.38 21.08 12.95
Demo Board MCL P/N: TB-863-1
Suggested PCB Layout (PL-538)
PACKAGE
OUTLINE
TRACE TUNING
4 PL.
(SEE BELOW)
.071 .002
LINE WIDTH
4 PL.
(SEE BELOW)
.100 REF.
T Y P.
1.000 REF.
Port Function Configurations
Ø.020 PTH. TYP.
FOR GROUND
Coupled
Forward
Coupled
Reverse
Config.
Input
Output
A
B
C
D
1
2
3
4
2
1
4
3
4
3
2
1
3
4
1
2
.020 TYP
.110 TYP
.ꢀ00 REF.
NOTES:
1. TRACE WIDTH IS SHOWN FOR ROGERS RO4003C WITH DIELECTRIC THICKNESS.
0.032" .001ꢀ". COPPER: 1 OZ. EACH SIDE.
FOR OTHER MATERIALS TRACE WIDTH MAY NEED TO BE MODIFIED.
2. BOTTOM SIDE OF THE PCB IS CONTINUOUS GROUND PLANE.
3. TRACE TUNING IN RF LINES MAY BE NEEDED TO ACHIEVE SPECIFIED PERFORMANCE.
DENOTES PCB COPPER LAYOUT WITH SMOBC (SOLDER MASK
OVER BARE COPPER)
DENOTES COPPER LAND PATTERN FREE OF SOLDERMASK
REV. OR
M169208
EDR-11672
BDCH-25-33+
RAV
®
Mini-Circuits
www.minicircuits.com P.O. Box 350166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com
181004
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