NJC3901B - New Japan Radio Co., Ltd.

Technical

Information

Rev. 3

1-1,Fukuoka 2-chome, Fujimino-city Phone:049-278-1297

Saitama prefecture. 356-8510 Japan Fax :049-278-1419

NJC3901B is a waveguide type circulator, designed for X-band Marine Radar.

NJC3901B circulate microwave lower insertion loss at the 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 70 1.0 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;

Po=30kW;

tp=1.0μs;

fp=1000pps;

hp - 30 kW

f=9.3GHz - 1.2 -

f=9.4GHz - 1.2 -

V. S .W. R .

port①

port②

port③ f=9.5GHz

- 1.2 -

f=9.3GHz - 0.5 dB

f=9.4GHz - 0.5 dB

Insertion loss

port①→②

port②→③

port③→① f=9.5GHz

- 0.5 dB

f=9.3GHz 25 - dB

f=9.4GHz 25 - dB

Isolation

port②→①

port③→②

port①→③ f=9.5GHz

Iso

25 - dB