SMA/BNC
Adaptenuator
50Ω 0.5W 3dB DC to 2000 MHz
SM-BM-3
Maximum Ratings
Operating Temperature
Storage Temperature
Permanent damage may occur if any of these limits are
exceeded.
Features
• improved interface matching
• wideband, DC to 2000 MHz, useable to 4000 MHz
-55°C to 100°C
-55°C to 150°C
CASE STYLE: DJ869
• excellent VSWR, 1.1:1 typ.
• excellent flatness, ±0.1dB typ.
• rugged unibody construction
Connectors
Conn1
SMA-Male
Model
Price
Qty.
Conn2
BNC-Male
SM-BM-3 $19.95 ea. (1-24)
Applications
• instrumentation
• provides attenuation and connector type change
• minimizes hardware
Outline Drawing
Electrical Specifications
FREQ.
(MHz)
ATTENUATION (dB)
VSWR (:1)
MAX.
INPUT
POWER
(W)
Flatness*
DC-500
MHz
DC-1000
MHz
DC-2000
MHz
DC-500
MHz
Typ. Max.
DC-1000
MHz
Typ. Max.
DC-2000
MHz
Typ. Max.
fL-fU
Nom.
Typ. Max.
Typ.
Max.
Typ.
Max.
DC-2000
3±0.3
0.05 0.15
0.10
0.20
0.15
0.25
1.1
1.2
1.1
1.2
1.2
1.25
0.5
*Flatness defined as peak to peak attenuation over band divided by 2.
Typical Performance Data
VSWR
(:1)
FREQUENCY
(MHz)
ATTENUATION
(dB)
BNC-Male
SMA-Male
inch
Outline Dimensions (
)
mm
1.00
5.00
10.00
50.00
100.00
2.99
2.99
3.00
3.01
3.02
1.00
1.00
1.00
1.01
1.01
1.00
1.00
1.00
1.01
1.01
A
.312
7.92
B
.61
15.49
D
1.89
48.01
wt
grams
25.8
500.00
1000.00
1500.00
1700.00
2000.00
3.07
3.14
3.20
3.24
3.26
1.04
1.07
1.09
1.08
1.05
1.04
1.07
1.09
1.09
1.08
Electrical Schematic
SM-BM-3
ATTENUATION
SM-BM-3
VSWR
1.12
1.10
1.08
1.06
1.04
1.02
1.00
3.30
3.25
3.20
3.15
3.10
3.05
3.00
2.95
MALE-BNC
MALE-SMA
0
400
800
1200
1600
2000
0
400
800
1200
1600
2000
FREQUENCY (MHz)
FREQUENCY (MHz)
Notes
A. Performance and quality attributes and conditions not expressly stated in this specification document are intended to be excluded and do not form a part of this specification document.
B. Electrical specifications and performance data contained in this specification document are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions.
C. The parts covered by this specification document are subject to Mini-Circuits standard limited warranty and terms and conditions (collectively, “Standard Terms”); Purchasers of this part are entitled
to the rights and benefits contained therein. For a full statement of the Standard Terms and the exclusive rights and remedies thereunder, please visit Mini-Circuits’ website at www.minicircuits.com/MCLStore/terms.jsp
REV. B
M96826
EE-9890
SM-BM-3
URJ/TD/CP/AM
130912
®
Mini-Circuits
www.minicircuits.com P.O. Box 35166, Brooklyn, NY 11235-0003 (718) 934-4500 sales@minicircuits.com