BAL-2690D3U Reference Design Circuit | Balanced-Unbalanced Converter Application Circuit

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The BAL-2690D3U is a balanced-unbalanced device designed to convert single-ended signals to differential signals in Bluetooth applications. This article mainly introduces the BAL-2690D3U features, application range, reference design circuit and circuit analysis to help you shorten the design time.

BAL-2690D3U characteristics: 50Ω nominal input / 30+j25 output differential impedance; low insertion loss; low amplitude imbalance; low phase imbalance; small footprint: BAL-2690D3U <1mm2; very thin (<700μm); high RF performance

Typical application range of BAL-2690D3U: Bluetooth STLC2690; mobile phone

BAL-2690D3U Reference Design Application Circuit:

Src="http://i.bosscdn.com/blog/20/17/56/161118782573.png" /></p><p > Figure 1BAL-2690D3U Reference Design</p><p >The BAL -2690D3U is a balun designed to transform single ended signals to differential signals in Bluetooth applications. The BAL-2690D3U has been customized for the STLC2690 Bluetooth transceiver with 0.8 dB insertion losses in the bandwidth (2400MHz-2500MHz) and with a specific requirement for the SCC22 parameter.The BAL-2690D3U has been designed using STMicroelectronics IPD(integrated passive device)technology on non-conductive glass substrate to optimize RF performances.</p><p >BAL-2690D3U Chinese data sheet: Click to download</p>< p >More schematics and source code Popular application circuits: Click now</p> </div> </div> <div class="tech-detail-share"> <!-- Baidu Button BEGIN --> < Div class="bdsharebuttonbox"> <a href="#" class="bds_qzone" data-cmd="qzone" title="Share QQ Space"></a> <a href="#" class="bds_tsina" data-cmd="tsina" title="Share to Sina Weibo"></a> <a href="#" class= "bds_weixin" data-cmd="weixin" title="Share to WeChat"></a> <span>Share to:</span> </div> <script>window._bd_share_config = { "common": { " bdSnsKey": {}, "bdText": "", "bdMini": "1", "bdMiniList": false, "bdPic": "", "bdStyle": "2", "bdSize": "16" } , "share": {} }; with (document) 0[(getElementsByTagName(

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