0892DP15D1940E

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RF Diplexers

RF diplexers are passive devices used in a variety of communications and networking applications. They enable the simultaneous passing of two distinct frequency bands over a single transmission line. The broad frequency range and low loss characteristics of diplexers make them highly efficient for various applications, from small-scale communication systems to complex, enterprise-level networks.

The 0892DP15D1940E is an RF diplexer, designed for applications in the frequency range of 890-960 MHz (passive rejection of 450-525 MHz and 525-960 MHz). It is typically used for separating and combining signal paths between base stations and mobile communication systems. This diplexer features high performance with low insertion loss, high isolation and excellent temperature stability.

How does it work?

The 0892DP15D1940E diplexer consists of two coupled filter networks, each with their own unique characteristics. The filter networks are designed to pass one frequency band, while blocking another, effectively isolating the two frequency bands. This is achieved through the careful selection of resonators, which operate at two distinct frequencies (f); one for the passband and one for the stopband.

The two filter networks are then coupled via a high-pass circuit. This ensures that both frequency bands can be simultaneously passed through the diplexer, while the unwanted frequency band is blocked. In addition, the high-pass circuit also serves to ensure a high degree of isolation between the two frequency bands. This is achieved by suppressing the amplitude of the signal in the passband, which is transferred to the stopband via the coupling circuit.

Features and Benefits

The 0892DP15D1940E diplexer offers a wide range of advantages in terms of performance, flexibility and cost-efficiency. Some of its key features are:

• High performance with low insertion loss, high isolation and excellent temperature stability
• Low susceptibility to out-of-band harmonic interference
• Integrated EMI/RFI filtering
• High return loss of >25 dB (typical) and high power handling of up to 20W
• Wide operating temperature range between -40°C to +85°C

The 0892DP15D1940E diplexer is an ideal choice for various applications in the field of radio frequency communication and networking. With its low power consumption and high levels of noise isolation, it helps to reduce distortion, interference and error rate, ensuring optimal performance in even the most demanding conditions.

Conclusion

The 0892DP15D1940E diplexer is one of the most advanced RF diplexers on the market, providing excellent performance and cost-efficiency for applications in the field of radio frequency communications and networking. With its unique design and features, this diplexer is well-suited for a wide range of applications, from small-scale systems to complex enterprise networks.

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