Surface Mount
Directional Couplers
6 to 20 dB Coupling 75Ω
Features
•
•
•
•
•
•
•
very flat coupling
very broadband, multi octave
temperature stable, BLUE CELL™ base
all welded construction
leads attached for better solderability
micro-miniature coupler
protected by U.S. Patent 6,140,887 & 6,784,521
NEW!
DBTC-75-OHMS SERIES
5 to 1500 MHz
No Leads
CASE STYLE:AT790-1
PRICE: $1.99 ea. QTY (25)
$1.69 ea. QTY (1000)
Leads
CASE STYLE:AT1030
PRICE: $2.14 ea. QTY (25)
$1.84 ea. QTY (1000)
Applications
• cable TV
Directional Coupler Electrical Specifications
MODEL
NO.
FREQ.
RANGE
(MHz)
f
L
-f
U
5-1250
5-1000
5-1000
1000-1500
5-1000
1000-1500
5-1000
5-1250
COUPLING
(dB)
Max.
Nom.
Flatness
6.8±0.3
±0.8
10.5±0.5
13.2±0.5
13.6±0.5
16.3±0.5
16.5±0.5
18.2±0.5
20.5±0.5
±0.7
±0.6
±0.8
±0.7
±0.7
±0.7
±0.9
L
Typ. Max.
2.2 3.1
1.5
0.9
1.2
0.8
0.4
2.2
1.4
2.0
1.5
0.7
MAINLINE LOSS*
(dB)
THEORETICAL
LOSS (dB)
DIRECTIVITY
(dB)
L
Typ. Min.
15 13
21 16
21 17
22 16
25 16
20 16
M
Typ. Min.
17 13
20
19
17
21
19
21
19
13
14
—
13
—
14
13
U
Typ. Min.
16
10
16
18
20
15
11
—
—
—
—
7
U
Typ. Min.
12 7
—
—
—
—
9
—
—
—
—
6
VSWR** POWER
(:1)
INPUT, W
Typ.
1.40
1.30
1.30
1.30
1.30
1.40
L
Max.
0.5
0.5
0.5
1.0
1.0
0.5
MU
Max.
1.0
1.0
1.0
1.0
1.0
1.0
DBTC-6-4-75
DBTC-10-4-75
DBTC-13-5-75
DBTC-16-5-75
DBTC-18-4-75
DBTC-20-4-75
M
U
U
Typ. Max. Typ. Max. Typ. Max.
2.2 2.6
2.3 2.8
2.3 2.9
1.02
1.4
1.0
1.4
1.0
1.3
0.8
0.6
2.0
1.5
2.2
1.5
1.9
1.4
0.9
1.5 2.0
1.1 1.6
1.1 1.6
1.0 1.6
0.8 1.2
—
—
—
—
—
—
—
—
0.40
0.21
0.20
0.10
0.10
0.07
0.04
1.1 1.5
* Includes theoretical loss at coupled port
** For coupled port VSWR above 500 MHz, 1.6:1 typ.
L = low range [f
L
to 10 f
L
]
M = mid range [10 f
L
to f
U
/2]
U = upper range [f
U
/2 to f
U
]
U= 1000-1250 MHz
To order models with leads, add “L” suffix to model No.
Pin Connections
INPUT
OUTPUT
COUPLED
GROUND
NOT USED*
*pins 5&6 must be isolated
3
4
1
2
5,6
Maximum Ratings
Operating Temperature
Storage Temperature
-40°C to 85°C
-55°C to 100°C
Outline Drawing
AT790-1
Demo Board MCL P/N: TB-279
Suggested PCB Layout (PL-151)
AT1030
AT790-1 & AT1030
Outline Dimensions (
inch
)
mm
Case
Style
A
AT790-1
.150
3.81
AT1030
.166
4.22
B
.150
3.81
.150
3.81
C
.150
3.81
.155
3.94
D
.050
1.27
.050
1.27
E
.030
0.76
.037
0.94
F
.025
0.64
.025
0.64
G
.028
0.71
.012
0.30
H
.050
1.27
.060
1.52
J
.160
4.06
.184
4.67
K
.030
0.76
.030
0.76
®
L
—
—
.004
0.10
wt.
grams
.10
.10
Reflow Solder Assembly
Silver-bearing solder (Sn/Pb/Ag 62/36/2%) is recommended;
however, tin-lead eutectic (Sn/Pb 63/37%) may be used.
For temperature profiles, see Application Note AN-40-004
Mini-Circuits
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
ISO 9001 & ISO 14001
Certified
REV. G
M89618
DBTC-6-4-75
DBTC-6-4-75L
DBTC-10-4-75
DBTC-10-4-75L
DBTC-13-5-75
DBTC-13-5-75L
DBTC-16-5-75
DBTC-16-5-75L
DBTC-18-4-75
DBTC-18-4-75L
DBTC-20-4-75
DBTC-20-4-75L
DBTC-75_75L
WZ/RS/CP
040225
PAGE 1 OF 2
ED-10488B/1
ED-10488C/1
ED-8953/1
ED-8953A/1
ED-8967/1
ED-8967A/1
ED-8978/1
ED-8978A/1
ED-8956/1
ED-8956A/1
ED-10793/1
ED-10793A/1
DBTC-75L-OHMS SERIES
18.0
COUPLING & DIRECTIVITY (dB)
16.0
RETURN LOSS (dB)
14.0
12.0
10.0
8.0
6.0
4.0
2.0
0.0
0
250
500
750
1000
1250
FREQUENCY (MHz)
COUPLING
DIRECTIVITY
0.0
0
250
500
750
1000
1250
FREQUENCY (MHz)
50.0
40.0
30.0
20.0
10.0
DBTC-6-4-75L
COUPLING & DIRECTIVITY
60.0
at RF level of -10
DBTC-6-4-75L
RETURN LOSS
IN
OUT
CPL
1.70
at RF level of -10 dBm
DBTC-10-4-75L
INSERTION LOSS
30
25
RETURN LOSS (dB)
20
15
10
5
at RF level of -10 dBm
DBTC-10-4-75L
RETURN LOSS
INSERTION LOSS (dB)
1.65
1.60
1.55
1.50
1.45
0
200
400
600
800
1000
0
0
200
400
600
FREQUENCY (MHz)
FREQUENCY (MHz)
IN
OUT
800
CPL
1000
1.6
1.4
INSERTION LOSS (dB)
1.2
1.0
0.8
0.6
0.4
0.2
0.0
0
at RF level of -10 dBm
DBTC-13-5-75L
INSERTION LOSS
30
COUPLING & DIRECTIVITY (dB)
25
DBTC-13-5-75L
COUPLING & DIRECTIVITY
35
30
RETURN LOSS (dB)
25
20
15
10
5
at RF level of -10 dBm
DBTC-13-5-75L
RETURN LOSS
20
15
10
5
COUPLING
0
0
300
600
900
1200
1500
DIRECTIVITY
IN
0
0
300
600
900
OUT
1200
CPL
1500
300
600
900
1200
1500
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
DBTC-16-5-75L
INSERTION LOSS
at RF level of -10 dBm
DBTC-16-5-75L
COUPLING & DIRECTIVITY
COUPLING & DIRECTIVITY (dB)
35
30
25
20
15
COUPLING
10
0
300
600
900
1200
1500
DIRECTIVITY
at RF level of -10 dBm
DBTC-16-5-75L
RETURN LOSS
30
25
RETURN LOSS (dB)
20
15
10
5
RL-IN
0
0
300
600
900
1200
1500
RL-OUT
RL-CPL
1.30
1.28
INSERTION LOSS (dB)
1.26
1.24
1.22
1.20
1.18
1.16
1.14
1.12
1.10
0
300
600
900
1200
1500
FREQUENCY (MHz)
FREQUENCY (MHz)
FREQUENCY (MHz)
35
COUPLING & DIRECTIVITY (dB)
30
25
20
15
10
5
0
0
200
DBTC-18-4-75L
COUPLING & DIRECTIVITY
30
25
RETURN LOSS (dB)
20
15
10
5
at RF level of -10 dBm
DBTC-18-4-75L
RETURN LOSS
COUPLING
DIRECTIVITY
IN
0
400
600
800
1000
0
200
400
600
OUT
800
CPL
1000
FREQUENCY (MHz)
FREQUENCY (MHz)
40
COUPLING & DIRECTIVITY (dB)
35
DBTC-20-4-75L
COUPLING & DIRECTIVITY
35
30
RETURN LOSS (dB)
25
20
15
10
5
at RF level of -10 dBm
DBTC-20-4-75L
RETURN LOSS
30
25
20
15
10
5
0
0
250
500
750
FREQUENCY (MHz)
1000
1250
COUPLING
DIRECTIVITY
IN
0
0
OUT
250
CPL
500
750
1000
1250
FREQUENCY (MHz)
Mini-Circuits
®
INTERNET
http://www.minicircuits.com
P.O. Box 350166, Brooklyn, New York 11235-0003 (718) 934-4500 Fax (718) 332-4661
Distribution Centers
NORTH AMERICA 800-654-7949 • 417-335-5935 • Fax 417-335-5945 • EUROPE 44-1252-832600 • Fax 44-1252-837010
Mini-Circuits
ISO 9001 & ISO 14001
Certified
page 2 of 2
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