ADT1-1WT-1+

Balun Overview

The ADT1-1WT-1+ is an RF balun transformer manufactured by Mini-Circuits, designed for surface-mount applications. It operates within a frequency range of 1 MHz to 400 MHz and provides impedance transformation between unbalanced and balanced lines at 75 ohms each. The component features a maximum insertion loss of 1.0 dB and a minimum return loss of 16 dB. It utilizes a 6-SMD, flat lead package and maintains a phase difference of 4 degrees. This device is RoHS3 compliant and falls under ECCN EAR99 classification.

Balun Feature Summary

• Provides balanced-to-unbalanced signal conversion with 75/75 ohm impedance matching
• Operates effectively across the 1 MHz to 400 MHz frequency spectrum
• Utilizes a compact 6-SMD flat lead surface-mount package design

Balun Applications

• RF signal balancing in communication systems
• Impedance matching in 75-ohm transmission line interfaces
• Balanced-to-unbalanced conversion in IF stages

Balun Procurement Notes

Verify the specific suffix designation when ordering, as variants such as ADT1-1WT+ exist with different frequency ranges up to 800 MHz. Confirm that the required operational bandwidth aligns strictly with the 1 MHz to 400 MHz specification of the ADT1-1WT-1+. Ensure compatibility with standard surface-mount assembly processes given the 6-SMD flat lead package style.

Balun Selection Notes

Select this component when a 75-ohm balanced interface is required within the sub-400 MHz range. The low insertion loss of 1.0 dB makes it suitable for sensitive RF paths. Compare against the ADT1-1WT+ if higher frequency coverage up to 800 MHz is necessary, noting the distinct electrical specifications between these two part numbers.

Balun Part Context

This balun belongs to Mini-Circuits' core and wire transformer series, which are widely used in RF and microwave circuits. The ADT1-1WT-1+ specifically addresses applications requiring robust performance in the lower frequency bands, distinguishing itself from broader bandwidth models like the ADT1-1WT+ through its optimized 1-400 MHz range.

Balun Replacement Considerations

The ADT1-1WT+ is a related variant but covers 400 kHz to 800 MHz; verify frequency requirements before substitution. No other direct public substitutes are confirmed for this specific 1-400 MHz range.