Frequency Range: 700 MHz to 3500 MHz
The coupler operates effectively across this broad frequency range, covering a significant portion of RF and microwave spectrum used in various communication and broadcast applications.
Coupling Factor: 10 dB
The output signal is attenuated by 10 dB relative to the input signal, meaning the coupled signal is about 1/10 of the input signal power.
Directivity: Typically 15 dB to 20 dB
Directivity measures the degree of isolation between the input and coupled output ports. Higher directivity indicates better isolation and reduced signal leakage.
Insertion Loss: Typically 0.3 dB to 0.7 dB
Insertion loss is the amount of signal power lost when the coupler is inserted into the transmission line. Lower values are desirable as they indicate minimal signal attenuation.
Return Loss: Typically 15 dB to 20 dB
Return loss indicates how well the coupler matches the impedance of the transmission line. Higher return loss values signify better impedance matching and less reflected signal.
Power Handling: Typically 10 W to 50 W
This specifies the maximum power the coupler can handle without sustaining damage. The exact value depends on the coupler’s design and materials.
Connector Type: N-type Female
The coupler uses N-type female connectors, which are robust and designed for high-frequency applications. They are threaded for secure connections with male connectors.
Construction: Usually made from durable materials such as aluminum or brass with high-quality dielectric materials like PTFE (Teflon)
The construction materials impact the coupler’s performance, durability, and frequency response.
Dimensions: Varies by model
The size and form factor will differ based on the specific design of the coupler. Ensure that it fits within the physical constraints of your setup.
Environmental Conditions:
Temperature Range: Typically from -40°C to +85°C
Humidity: Generally up to 95% non-condensing
Key Considerations:
Accuracy: A 10 dB coupler provides moderate signal attenuation, which can be beneficial for applications needing a balanced approach between signal strength and measurement accuracy.
Signal Integrity: With good directivity and low insertion loss, this coupler helps maintain signal integrity while providing an accurate sample of the signal.
Application Versatility: Suitable for a wide range of RF applications, including signal monitoring, measurement, and distribution in communication systems, broadcasting, and test setups.
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