HL9444
HL9444 Broadband Bias Tee (40 GHz, 175 mA), opt. -M-JP shown
HL944x_block
HL944x Series block diagram
HL9447_Sparam
Typical HL944x Series insertion and return loss (model HL9447 shown)
HL9447_112Gbps_PAM4_Output
HL944x Series 112 Gbps PAM4, RF Output (model HL9447 shown)
HL9444 Broadband Bias Tee (35 kHz to 40 GHz, 175 mA)
$995.00 – $1,995.00
Datasheet PDF | S-parameters
The HL9444 is an ultra-broadband bias tee with a maximum insertion loss of 1.55 dB from 35 kHz to 40 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 | 35 kHz to 40 GHz (opt. -11) 70 kHz to 40 GHz (opt. -30) |
|---|---|
| Amplitude Match | ± 0.1 dB, f ≤ 40 GHz (opt. -M) |
| Phase Match | ± 4 degrees, f = 40 GHz (opt. -M) |
| Insertion Loss | < 1.55 dB, nominal, f ≤ 40 GHz |
| Return Loss | < 15 dB, f ≤ 35 GHz |
| Max Current | 175 mA |
| Connectors | 2.92 mm |
| RoHS Compliant | Yes |
| REACH Compliant | Yes |
| Warranty | 1 year, repair or replacement |
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