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Product Detailed Parameters
- Description：BIAS TEE / SMA / ROHS
- Series：-
- Mfr：Mini-Circuits
- Package：Tray
- Function：Bias Tee
- Frequency：200kHz ~ 12GHz
- RF Type：General Purpose
- Secondary Attributes：-
- Mounting Type：Chassis Mount
- Package / Case：Module, SMA Connectors
- Supplier Device Package：-
- Grade：-
- Qualification：-
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Overview
The ZX85-12G-S+ is a wideband bias tee from Mini-Circuits, designed for RF applications up to 12 GHz. It features SMA connectors on all three ports with a nominal impedance of 50 Ohms. The device supports a maximum DC voltage of 25V and a current capacity of 0.4A. Key electrical specifications include a maximum insertion loss of 2.5 dB and a VSWR ranging from 1.1 to 1.2 across the frequency band. The component operates within a frequency range of 200 kHz to 12 GHz.
Feature Summary
- Integrates DC power injection with RF signal transmission via a single port configuration
- Provides broadband performance covering frequencies from 200 kHz to 12 GHz
- Utilizes standard SMA connectors for straightforward system integration
Applications
- Biasing active RF components such as amplifiers and mixers
- Test and measurement setups requiring combined DC and RF signals
- Communication systems utilizing S-band or higher frequency ranges
Procurement Notes
Verify that the required DC voltage does not exceed 25V and the current remains within the 0.4A limit. Confirm that the SMA connector polarity matches the system design. Ensure the operating frequency aligns with the specified 200 kHz to 12 GHz range. Check RoHS compliance requirements if applicable to the final assembly standards.
Selection Notes
Select this component when a wideband bias tee is needed for frequencies extending up to 12 GHz. Consider the 50 Ohm impedance match for standard RF systems. Evaluate the insertion loss and VSWR specifications against system sensitivity requirements. Ensure the physical size and bulk packaging format fit the available space and handling procedures.
Part Context
This part belongs to the ZX85 series of bias tees from Mini-Circuits. The series offers various models optimized for different frequency ranges and current capabilities. The ZX85-12G-S+ specifically targets high-frequency applications requiring broad bandwidth. It serves as a passive interface between DC power sources and RF circuits.
Replacement Considerations
Consult official Mini-Circuits documentation for direct substitutes within the ZX85 series. Verify that alternative parts meet the same 12 GHz upper frequency limit and SMA connector type. Ensure equivalent DC voltage and current ratings are maintained in any replacement selection.
