HL9449 Broadband Bias Tee (160 kHz to 110 GHz, 175 mA)

$4,495.00$8,995.00

Datasheet PDF S-parameters

The HL9449 is an ultra-broadband bias tee with a maximum insertion loss of 2.5 dB from 160 kHz to 110 GHz.

These devices block any existing DC signal and allows for the insertion of a DC bias current into a circuit with minimal perturbation of the impedance of a 50 ohm transmission line.

These devices can be used for biasing amplifiers, lasers, optical modulators, and other devices.

Applications include 112 Gbps PAM4 communications systems, optical communication systems, high-speed data systems, level shifting, cascading, and interfacing between devices with incompatible DC operating points.

This part is available as matched pairs or individual units with breakdown voltage of 11 V or 30 V and a variety of connector configurations.


Key Specifications (typical)
Bandwidth 160 kHz to 110 GHz (opt. -11)
200 kHz to 110 GHz (opt. -30)
Amplitude Match ± 0.1 dB, f ≤ 110 GHz (opt. -M)
Phase Match ± 4 degrees, f = 40 GHz (opt. -M)
Insertion Loss < 2.5 dB, nominal, f ≤ 110 GHz
Return Loss > 15 dB, f ≤ 35 GHz
> 10 dB, 35 GHz < f ≤ 110 GHz
Max Current 175 mA
Connectors 1.0 mm
RoHS Compliant Yes
REACH Compliant Yes
Warranty 1 year, repair or replacement

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