Technical
Information
Rev. 2
1-1,Fukuoka 2-chome, Fujimino-city Phone:049-278-1297
Saitama prefecture. 356-8510 Japan Fax :049-278-1419
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The NJC3901M is a waveguide type broad band circulator, designed for X-band Marine Radar.
The NJC3901M circulates microwave lower insertion loss at the special broad band.
This product is adapted on RoHS directive.
ABSOLUTE MAXIMUM RATINGS
f Ppeak P
AV T
stg T
a t
p Duty Humidity
Unit GHz kW W Degrees C
Degrees C
μs - %
Maximum 9.5 30 30 100 85 1.3 0.001 90
Minimum 9.3 - - -40 -30 - - -
ELECTRICAL CHARACTERISTICS
Limit
Items Test Conditions Code
Min.
Max.
unit
High Power
Input port①→②
f=9.4GHz;
tp=1.0μs;
fp=1000pps;
hp 30 - kW
f=8.8GHz - 1.4 -
f=9.3GHz - 1.2 -
f=9.4GHz - 1.2 -
f=9.5GHz - 1.2 -
V. S .W. R .
port①
port②
port③
f=10.8GHz
σ
- 1.6 -
f=8.8GHz - 0.5 dB
f=9.3GHz - 0.3 dB
f=9.4GHz - 0.3 dB
f=9.5GHz - 0.3 db
Insertion loss
port①→②
port②→③
port③→①
f=10.8GHz
Li
- 0.7 dB
f=8.8GHz 15 - dB
f=9.3GHz 25
f=9.4GHz 25 - dB
f=9.5GHz 25
Isolation
port②→①
port③→②
port①→③
f=10.8GHz
Iso
15 - dB
σ, Li, and Iso are measured under
the conditions, frequency 8.8 to
10.8GHz input signal 0.1mW
Technical
Information
Rev. 2
1-1,Fukuoka 2-chome, Fujimino-city Phone:049-278-1297
Saitama prefecture. 356-8510 Japan Fax :049-278-1419
Outline (Unit : mm)
