- General-purpose RF common mode choke for reducing unwanted ground loop noise in test setups.
- Wide frequency range: operates from 1 Hz up to 1 GHz (recommended up to 500 MHz).
- Excellent for measurement integrity.
- High common mode rejection across broad frequency bands for effective noise suppression.
- 50 Ω N-female connectors for easy integration with RF and EMC measurement equipment.
- Compact and lightweight design suitable for lab benches and RF test setups.
TBCMC-1
RF Common Mode Choke
The Tekbox TBCMC-1 is a general-purpose RF common mode choke designed to attenuate ground loop currents and improve measurement accuracy in RF impedance setups, especially those based on the shunt method. Its symmetric design and wide frequency performance make it ideal for EMC and RF test environments.
Features
Key capabilities and advantages
Specification
Technical specifications and parameters
| Compliance | RoHS |
| Differential mode impedance | 50 Ohm, typ. |
| Characterized frequency range | 1 Hz – 1 GHz |
| Recommended frequency range | 10 Hz – 500 MHz |
| Differential mode power rating | max. 130 W up to 1 GHz |
| Differential mode voltage rating | max. 225V pp up to 1 GHz |
| Insertion loss (S21, S12) | < 0.1 dB up to 10 MHz, typ. / < 0.2 dB up to 100 MHz, typ. / < 0.6 dB up to 1 GHz, typ. |
| Common mode rejection | > 60 dB up to 1 MHz, typ., / > 30 dB up to 100 MHz, typ., / > 10 dB up to 1 GHz, typ. |
| Input return loss (S11, S22) | > 20 dB up to 1 GHz, typ. |
| Common mode saturation current | 500 mA, typ. |
| RF connectors | 50 Ω N – female, |
| Operating temp. range | 0°C – 60°C |
| Enclosure dimensions | 70 mm x 60 mm x 140 mm |
| Weight | 350 g |
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