Coaxial Directional Coupler 502 0.5 to 500 MHz

Category: Electronics, Minicircuits, RF Microwave Devices

Overview

The datasheet provides information on the Coaxial Directional Coupler 502, which operates within the frequency range of 0.5 to 500 MHz, with a specific focus on the ZDC-10-1+ model. This directional coupler is designed for various applications including VHF/UHF instrumentation, communication receivers and transmitters, and amateur radio activities. Listed as RoHS compliant, this device adheres to restricted use of certain hazardous substances in electrical and electronic equipment.

Key Features and Ratings

The ZDC-10-1+ boasts several notable features, such as excellent directivity of 32 dB (typical) and mainline loss of 0.65 dB (typical). It comes in a rugged, shielded case and is available with different connector models, including BNC. Maximum operating temperature ranges from 55°C to 100°C, and over-stepping these limits can cause permanent damage. The storage temperature mirrors the operating temperature range. Moreover, the datasheet indicates maximum power input ratings and Voltage Standing Wave Ratio (VSWR).

Performance Specifications

Electrical specifications consist of the coupling and mainline loss, with a VSWR stated at 1.2 (max) and mainline loss including theoretical power loss at the coupled port. The coupler is designed to handle a maximum input power of 1 watt.

Physical Characteristics

The datasheet includes an outline drawing providing dimensions of the device in inches and millimeters. The ZDC-10-1+ model is available with optional brackets referred to as “OPTION B” and “OPTION BR”. It presents a visual representation of the performance data across the frequency range for mainline loss, coupling, directivity, and return loss.

Electrical Schematic and Performance Data

An electrical schematic of the directional coupler is provided, illustrating the input, coupled, and output ports. The performance data charts depict frequency-specific details for mainline loss, coupling, and directivity, offering insights into expected performance throughout the device’s frequency range. The return loss is also represented graphically, with various specific frequency points highlighted to show its expected values.

Additional Notes and Quality Assurance

The notes clarify that any performance and quality attributes not explicitly stated in the document should be considered excluded from the datasheet’s specifications. All electrical specifications and performance data are based on Mini-Circuit’s established test performance criteria and measurement instructions. The parts covered by the document are subject to Mini-Circuit’s standard limited warranty and terms and conditions. For full terms and exclusivity rights, purchasers are directed to Mini-Circuit’s website.