Technical
Information
Rev. 2
Broad Band Circulator
NJC3901M
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
Unit
Maximum
Minimum
GHz
9.5
9.3
P
peak
kW
30
-
P
AV
W
30
-
T
stg
Degrees C
100
-40
T
a
Degrees C
85
-30
t
p
μs
1.3
-
Duty
-
0.001
-
Humidity
%
90
-
ELECTRICAL CHARACTERISTICS
Items
High Power
Input
Test Conditions
f=9.4GHz;
port①→②
Code
Limit
Min.
30
-
-
Max.
-
1.4
1.2
1.2
1.2
1.6
0.5
0.3
0.3
0.3
0.7
-
-
-
unit
kW
-
-
-
-
-
dB
dB
dB
db
dB
dB
dB
dB
σ,
Li, and Iso are measured under
the conditions, frequency 8.8 to
10.8GHz input signal 0.1mW
tp=1.0μs;
fp=1000pps;
f=8.8GHz
hp
port①
f=9.3GHz
f=9.4GHz
f=9.5GHz
f=10.8GHz
f=8.8GHz
σ
V.S.W.R.
port②
port③
-
-
-
-
-
port①→②
f=9.3GHz
f=9.4GHz
f=9.5GHz
f=10.8GHz
f=8.8GHz
Li
Insertion loss
port②→③
port③→①
-
-
-
15
25
port②→①
f=9.3GHz
f=9.4GHz
f=9.5GHz
f=10.8GHz
Iso
Isolation
port③→②
port①→③
25
25
15
1-1,Fukuoka 2-chome, Fujimino-city
Saitama prefecture. 356-8510 Japan
Phone:049-278-1297
Fax :049-278-1419
NJRC [ NEW JAPAN RADIO ]
