Allicdata Part #: | 0910CF15A0100E-ND |
Manufacturer Part#: |
0910CF15A0100E |
Price: | $ 0.00 |
Product Category: | RF/IF and RFID |
Manufacturer: | Johanson Technology Inc. |
Short Description: | DIRECTIONAL COUPLER + LPF 900MHZ |
More Detail: | RF Directional Coupler 860MHz ~ 960MHz 13dB 0805... |
DataSheet: | 0910CF15A0100E Datasheet/PDF |
Quantity: | 1000 |
1 +: | 0.00000 |
Series: | -- |
Packaging: | Tape & Reel (TR) |
Part Status: | Active |
Coupler Type: | Standard |
Frequency: | 860MHz ~ 960MHz |
Coupling Factor: | 13dB |
Applications: | -- |
Insertion Loss: | 1dB |
Power - Max: | -- |
Isolation: | 30dB |
Return Loss: | 20dB |
Package / Case: | 0805 (2012 Metric), 8 PC Pad |
Supplier Device Package: | 0805 (2012 Metric) |
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RF Directional Couplers are electronic devices used to sample a small amount of transmitted power in communication systems. The 0910CF15A0100E directional coupler is specifically used for cellular networks, such as Global System for Mobile communication (GSM). It is designed to have exceptionally high directivity which enables it to handle acute variations in levels and frequency, common in mobile operations. It also has an excellent return and isolation performance, meaning that it can measure and sample power when transmitting signals without significant loss.
The 0910CF15A0100E directional coupler is a double-directional type, comprising of four length-balanced arms. This configuration offers excellent directivity with qualities that do not depend on the load, minimizing distortional effects on the signals. The central conductor of the coupler is a 50 ohm matched rod. It has grounding sleeves and two N-type sockets for easy connection to an aerial.
Its application field includes directional power measurements in systems such as GSM or 3G cellular networks. Its use is ideal in these systems since the small signal levels and acute frequency variations make it difficult to reliably measure on-site power levels. The directional coupler gathers a portion of the transmitted power and presents it at a matching port, where it can be accurately measured by an external receiver. It is capable of doubling as an isolation device, blocking the input signal from the output while simultaneously allowing a signal to be received from the output.
The working principle of the 0910CF15A0100E directional coupler is based on the principle of coupled inductance and capacitance. At the input port of the coupler, a portion of the source signal is transferred to the output port by coupling. This signal appears at the output with a certain amount of attenuation determined by the directivity of the coupler. Meanwhile, the remainder of the signal is fed back to a separate port where it can be measured.
The performance of the 0910CF15A0100E directional coupler when in action is impressive. It can handle input signal power levels from -30 dBm up to +20 dBm with an insertion loss of only -1.5 dB, and a directivity of up to 30 dB or better. It has a bandwidth of 890-970 MHz and a sampling sensitivity of 9 dB from a typical input power level of -20dBm. High port-to-port isolation is provided by capacitively coupled slotline elements.
In summary, the 0910CF15A0100E directional coupler is an excellent device that can sample a small portion of transmitted power in cellular networks, while maintaining signal integrity and providing excellent inter-port isolation. It helps to accurately measure on-site power levels, which is especially necessary in networks where signal strength and frequency vary significantly.
The specific data is subject to PDF, and the above content is for reference
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