Typical Performance Data
Electrical Specifi cations at 25°C
Maximum Ratings Features
? broadband performance
? low insertion loss
? rugged unibody construction
? off-the-shelf availability
Applications
? test and measurement instrumentation
? communication systems
? defense systems
Operating Temperature -55°C to 100°C
Storage Temperature -55°C to 100°C
DC Input Voltage 50V Max.
Outline Drawing
Outline Dimensions ( in c h )
mm
BLK-18+
INSERTION LOSS
0.0
0.2
0.4
0.6
0.8
1.0
1.2
0 3000 6000 9000 12000 15000 18000
FREQUENCY (MHz)
INSERTION LOSS (dB)
BLK-18+
Electrical Schematic
50Ω 0.01 to 18 GHz
DC Block SMA
REV. D
M108294
BLK-18
EE-9517/2
UR/LC/CP
07302
Coaxial
B D E wt
.410 1.18 .312 grams
10.41 29.97 7.92 7.0
CASE STYLE: FF888
SMA Connectors Model Price Qty.
Female-Male BLK-18-S+ $21.95 ea. (1-9)
BLK-18+
RETURN LOSS
0
10
20
30
40
50
60
0 3000 6000 9000 12000 15000 18000
FREQUENCY (MHz)
RETURN LOSS (dB)
MALE RETURN LOSS
FEMALE RETURN LOSS
Frequency
(MHz)
Insertion Loss
(dB)
Return Loss
(dB)
Male Female
FREQUENCY
(GHz)
INSERTION LOSS
(dB)
RETURN LOSS
(dB)
Typ. Max. Typ. Min.
0.01-0.1 0.02 0.2 26 20
0.1-1.0 0.07 0.3 36 20
1.0-4.0 0.15 0.5 24 20
4.0-8.0 0.38 1.0 18 15
8.0-18 1.00 — 12 —
10.00 0.05 28.49 28.48
50.00 0.03 45.13 45.06
100.00 0.03 50.04 50.34
300.00 0.05 39.11 39.36
500.00 0.07 35.50 35.89
700.00 0.11 34.05 34.48
900.00 0.10 32.59 33.09
1000.00 0.10 31.87 32.59
2000.00 0.12 28.84 28.45
3000.00 0.16 26.71 25.78
4000.00 0.20 24.84 24.46
5000.00 0.23 22.08 23.35
6000.00 0.32 19.95 21.73
7000.00 0.41 20.10 20.67
8000.00 0.47 17.98 18.83
10000.00 0.64 15.04 15.60
12000.00 0.80 14.59 12.85
14000.00 0.99 12.82 12.36
16000.00 1.08 13.07 12.06
18000.00 1.03 16.78 12.60
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