Tekbox TBJT03 injection transformer
Details
The Tekbox TBJT03 is an injection transformer for making Bode plots to measure the stability of power supplies and converters. It provides galvanic isolation and also functions as a high-pass filter between the signal source and EUT supply lines. This transformer has a usable frequency range of 10 Hz - 100 MHz. The transformer input is connected with a 50 Ω BNC female connector and the output is connected with 4 mm safety banana plugs.
Model overview
We offer three injection transformers from Tekbox, which differ in the frequency range, insertion loss and capacitance.
| Model | TBJT01 | TBJT02 | TBJT03 |
|---|---|---|---|
| Usable frequency range | 10 Hz - 45 MHz | 1 Hz - 7 MHz | 10 Hz to 100 MHz |
| 3 dB frequency range | 15 Hz - 9 MHz typ. | 2 Hz - 3 MHz typ. | 50 kHz – 50 MHz typ. |
| Insertion loss (S21) | 15.5 dB typ. | 16 dB typ. | 3 dB max. |
| Capacitance (at 1 kHz) | 90 pF | 310 pF | 56 pF |
| Price |
Specifications
| Max. RF power rating | 20 W |
| Isolation test, EUT input | 2500V, 22 GΩ |
| Max. voltage rating | 300 V |
| Connectivity | 50 Ω BNC female connector (input) 4 mm safety banana plugs |
| Dimensions | 70 x 60 x 140 mm |
| Weight | 300 g |
Downloads
| Tekbox TBJT03 - User manual |  (420.45 KB) | Download |
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