No products in the cart.
$274.00Earn 274 points!
1 in stock
The JRC NJ-3310 is a high-power S-Band Junction Circulator designed specifically for maritime radar systems operating in the 3.05 GHz range (ITU allocated S-Band). It acts as a non-reciprocal traffic controller for microwave energy, ensuring that the high-power signal from the transmitter goes only to the antenna, and the weak return echoes from the antenna go only to the receiver.
The NJ-3310 is the “heart” of the duplexer system. It allows the radar to use a single antenna for both transmitting and receiving.
Port 1 (Input): Connected to the Magnetron (Transmitter). The 30kW+ pulse enters here.
Port 2 (Output/Input): Connected to the Antenna. Power from Port 1 is directed here to be radiated. Incoming echoes from targets also enter here.
Port 3 (Output): Connected to the Receiver Unit (via the TL378A Limiter). Incoming echoes from Port 2 are directed here, while any leakage from Port 1 is minimized to protect the receiver.
| Parameter | Specification |
| Frequency Range | 3.00 GHz to 3.10 GHz (S-Band) |
| Peak Power Handling | 30 kW to 60 kW |
| Insertion Loss | ≤ 0.4 dB (Minimal signal loss) |
| Isolation | ≥ 20 dB (Prevents transmitter power from hitting the receiver) |
| V.S.W.R. | ≤ 1.25 |
| Interface | Waveguide Flange (Typical for S-Band) |
There are no reviews yet.