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Notes: 1. Performance and quality attributes and conditions not expressly stated in this specification sheet are intended to be excluded and do not form a part of this specification sheet. 2. Electrical specifications
and performance data contained herein are based on Mini-Circuit’s applicable established test performance criteria and measurement instructions. 3. The parts covered by this specification sheet 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.
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IF/RF MICROWAVE COMPONENTS
Electrical Specifications
Typical Performance Data
Maximum Ratings
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 150°C
Outline Dimensions ( )
inch
mm
NF-BM-3
50Ω 0.5W 3dB DC to 2000 MHz
Adaptenuator
REV. B
M96826
EE-9890
NF-BM-3
URJ/TD/CP/AM
090720
Type-N/BNC
B
D
wt
.73
2.00
grams
18.54 50.80
48.2
CASE STYLE: DJ867
Connectors Model Price Qty.
Conn1 Conn2
N-Female BNC-Male NF-BM-3 $19.95 ea. (1-24)
Features
• improved interface matching
• wideband, DC to 2000 MHz, useable to 4000 MHz
• excellent VSWR, 1.1:1 typ.
• excellent atness, ±0.1dB typ.
• rugged unibody construction
Applications
• instrumentation
• provides attenuation and connector type change
• minimizes hardware
Outline Drawing
NF-BM-3
ATTENUATION
2.8
2.9
3.0
3.1
3.2
3.3
0 400 800 1200 1600 2000
FREQUENCY (MHz)
ATTENUATION (dB)
NF-BM-3
VSWR
1.00
1.03
1.06
1.09
1.12
1.15
0 400 800 1200 1600 2000
FREQUENCY (MHz)
VSWR
MALE-BNC FEMALE-N
FREQUENCY
(MHz)
ATTENUATION
(dB)
VSWR
(:1)
BNC-Male N-Female
1.00 2.99 1.00 1.00
5.00 2.98 1.00 1.00
10.00 3.00 1.00 1.01
50.00 3.00 1.01 1.01
100.00 3.02 1.01 1.02
500.00 3.05 1.06 1.06
1000.00 3.12 1.11 1.09
1500.00 3.14 1.11 1.07
1700.00 3.19 1.09 1.07
2000.00 3.24 1.05 1.07
Electrical Schematic
*Flatness dened as peak to peak attenuation over band divided by 2.
FREQ.
(MHz)
fL-fU
ATTENUATION (dB) VSWR (:1) MAX.
INPUT
POWER
(W)
Flatness*
DC-500
MHz
DC-1000
MHz
DC-2000
MHz
DC-500
MHz
DC-1000
MHz
DC-2000
MHz
Nom. Typ. Max. Typ. Max. Typ. Max. Typ. Max. Typ. Max. Typ. Max.
DC-2000 3±0.3 0.05 0.15 0.10 0.25 0.17 0.25 1.1 1.2 1.1 1.2 1.2 1.25 0.5
Permanent damage may occur if any of these limits are
exceeded.
