Description
B-WIT 100 – Wideband Injection Transformer — BOLTON SKU 66566.
About the B-WIT 100 Injection Transformer, Wideband
The B-WIT 100, order reference P0005758, is an injection transformer made by OMICRON Lab for control loop and frequency response measurement. Its job is to couple a swept disturbance signal from an analyser into a live feedback loop while keeping the analyser galvanically isolated from the circuit under test, so the loop’s own DC operating point is not disturbed. OMICRON Lab gives a usable frequency range of 1 Hz to 10 MHz, with a typical -3 dB range of 7 Hz to 5 MHz, a 1:1 primary to secondary turns ratio, insertion loss below 0.5 dB at 10 kHz and a typical capacitance of 120 pF at 1 kHz. It is rated for safe isolation at 600 V CAT II. The wide span means the same B-WIT 100 wideband injection transformer can be used on slow loops with low bandwidth and on fast loops alike.
Key specifications
| Attribute | Value |
|---|---|
| Manufacturer | OMICRON Lab |
| Model | B-WIT 100 |
| Order reference | P0005758 |
| Usable frequency range | 1 Hz to 10 MHz |
| -3 dB frequency range | 7 Hz to 5 MHz (typical) |
| Turns ratio | 1:1 primary to secondary |
| Insertion loss | Below 0.5 dB at 10 kHz |
| Capacitance | 120 pF at 1 kHz (typical) |
| Isolation rating | 600 V CAT II |
Typical applications
An injection transformer of this class is used with a vector network analyser or frequency response analyser to measure control loop gain and phase margin on switch-mode power supplies, DC-DC converters, linear regulators and motor drive loops. The same setup is used for power supply rejection ratio and output impedance measurements. Its 1 Hz lower limit matters for slow loops such as power factor correction stages, while the 10 MHz upper limit covers fast point-of-load converters.
Supplied by BOLTON Technical Equipment Supplies against request for quotation. Add this item to your RFQ basket to request pricing, lead time and documentation requirements (e.g. CoC, datasheets or test reports where applicable).
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