发明名称 |
Method and device for broadband high isolation coupling |
摘要 |
An isolation coupler comprises a frequency splitter (36) for splitting an input signal (1) into a low frequency partial signal (2) and a high frequency partial signal (4) and a first isolating transformer (33) for transforming a signal derived from the high frequency partial signal (4) in a transformed high frequency partial signal (5). Moreover it may include a modulator (21) for modulating the low frequency partial signal (2) with a modulation signal (6) resulting in a modulated low frequency partial signal (7) and a second isolating transformer (34) for transforming a signal derived from the modulated low frequency partial signal (7) in a transformed low frequency partial signal (8). |
申请公布号 |
US9319247(B2) |
申请公布日期 |
2016.04.19 |
申请号 |
US201214418841 |
申请日期 |
2012.10.17 |
申请人 |
ROHDE & SCHWARZ GMBH & CO. KG |
发明人 |
Stojaković Nenad;Franke Reiner |
分类号 |
H04L25/02;H03F1/42;H03F3/38;H04L25/08 |
主分类号 |
H04L25/02 |
代理机构 |
Ditthavong & Steiner, P.C. |
代理人 |
Ditthavong & Steiner, P.C. |
主权项 |
1. An isolation coupler comprising:
a frequency splitter for splitting an input signal into a low frequency partial signal and a high frequency partial signal, a first isolating transformer for transforming a signal derived from the high frequency partial signal in a transformed high frequency partial signal, a modulator for modulating the low frequency partial signal with a modulation signal resulting in a modulated low frequency partial signal, a second isolating transformer for transforming a signal derived from the modulated low frequency partial signal in a transformed low frequency partial signal, a demodulator for demodulating the transformed low frequency partial signal using a demodulation signal resulting in a demodulated low frequency partial signal, and a combiner for combining the transformed high frequency partial signal and a signal derived from the demodulated low frequency partial signal resulting in an output signal. |
地址 |
Munich DE |