Rf Duplexer 7252 Mhz Cf1/ 124 Mhz Bw1/ 7429 Mhz Cf2/ 102 Mhz Bw2/ Power 10 Watt

US $450

Sunnyvale, California, United States
May 30th

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All items in Telenochek RF store are categorized with extensive detailed categories to simplify searching through the items. Be sure to take advantage of the categories! For sale is: RF, microwave, duplexer / diplexer in good working condition, tested with data. Please see pictures and data table. This duplexer appears to have one incorrectly tuned pole on each side of the bandpass. The passband response is stilll really good. We can correct this if necessary. Looking at the red paint for tuning screws, everything is in the correct place. It appears the engineer tuning this only looked at the narrow passband, and missed the outside pole. **Every individual item is tested prior to shipment** Common types of duplexers: Duplexers typically come in two types, bandpass / bandpass, and lowpass / highpass. Other types are less common. In cellular applications uplink / downlink duplexers are typically bandpass / bandpass, due to high isolation required between transmit and receive. In LTE C/A downlink carrier aggregation, lowpass / highpass are common as the aggregated spectrum typically (not always) is sufficiently far apart in frequency. In dual band WiFi where 2.4GHz and 5GHz signals share antennas, high pass and low pass duplexers are common since 2.4 GHz and 5 GHz are far apart in frequency, although the 2.4 GHz and 5 GHz paths will have their individual bandpass filters as well, in addition to the lowpass/highpass WiFi duplexer. Common uses of duplexers in the field and in the lab: Case 1: Duplexing The RF system has separate paths at different frequencies (e.g. TX vs RX) and must share common antenna. Duplexer is used to enabled both paths share a common port. Case 2: Un-duplexing The RF system is already duplexed on to a common antenna port. For example your DUT is a commercial cellphone. You need to test receive without being compressed by the transmit on the same RF path. The RF paths can be simply separated by a duplexer. Case 2a: specific cellular test case By inserting a pair of duplexers between the UE / handset and LTE basestation, the RX and TX can be completely separated for test. This allows tweaking the propagation channel for DL / UL or both, receiver testing without interference from TX, or transmitter EVM measurements. Item data: Type Duplexer Manufacturer Filtel Microwave Seller SKU TMRF_3T30 Port 1 SMA(f) Port 2 SMA(f) Port 3 SMA(f) Power handling ( Watt CW) 10 Watt CW For high power testing - we can provide s-parameter sweeps before and after applying high RF power (currently up to 200 Watt RF CW depending on frequency). Please inquire if interested in high power. Band 1 Specs Insertion Loss Band 1(dB) -1.50 Center Frequency Band 1(MHz) 7252 1dB Pass Bandwidth Band 1 (MHz) 124 1dB Pass Low Frequency Band 1 (MHz) 7190 1dB Pass High Frequency Band 1 (MHz) 7314 Band 2 Specs Insertion Loss Band 2(dB) -1.50 Center Frequency Band 2(MHz) 7429 1dB Pass Bandwidth Band 2 (MHz) 102 1dB Pass Low Frequency Band 2 (MHz) 7378 1dB Pass High Frequency Band 2 (MHz) 7480 Isolation Specs Isolation at Band 1 frequencies (dB) >70dB (isolation measurements may be limited by noise floor of test setup, please ask seller for VNA measurements if higher rejection is required) Isolation at Band 2 frequencies (dB) >70dB (isolation measurements may be limited by noise floor of test setup, please ask seller for VNA measurements if higher rejection is required) Shipping: We always pack with care to ensure your item arrives safely in original condition. To lower your shipping costs, we can combine shipping for items purchased within several days. International shipping: We ship internationally. An international shipping estimate calculated by eBay is only an estimate. International customers please contact the seller for shipping price before bidding or purchasing. Buyer is responsible for all extra fees associated with international shipping, such as import and customs duties. Return policy: We work with our customers to resolve any issues they might have. Majority of our items have been professionally tested. Any known problems with components, equipment etc... will be noted in the item description. Do you see an error in the listing? We try our best to provide accurate information and technical measurements. However, sometimes errors happen in the technical descriptions, pictures or data. Please let us know if you notice any discrepancies. Thanks! Thank you for your interest! Questions are invited! Please check out our store for similar items Additional search keywords: band pass filter, BPF , bandpass filter, RF, microwave, MHz, GHz, broadband , wideband, megahertz, gigahertz, duplexer, multiplexer, diplexer, revision: 1.5 inventory: PWR1_cat Powered by eBay Turbo Lister The free listing tool. List your items fast and easy and manage your active items.