name: FBAR
full_form: Bulk acoustic resonator
context: analyser. c) Calculate the combined total path loss from CâA by using the following expression: - LSGHcal = LC,SGH + 10log(1 - |ÎSGH|2) - GSGH; - where 10log(1 - |ÎSGH|2) is the compensation for SGH connector return loss, GSGH is the known gain of the reference SGH. 2) Connect SGH and CâA cable. 3) To remove polarization(s) mismatch between range antenna (labelled as feeder antenna in diagram) and SGH use positions to position the SGH in the beam peak direction of range antenna. 4) Measure path loss CâB with network analyzer LCâB = 20log|S21|. 5) Calculate the test path loss compensation factor. This is the total path loss between AâB using the results from step 1c and 4. L = LSGHcal - LCâB. Where ÎSGH is the reflection coefficient (or mismatch) seen at the SGH connector (S11 with a network analyzer). Stage 2 - Measurement: 1) Set up AAS BS in place of SGH from calibration stage. Align DUT with beam peak direction of range antenna. 2) Configure TX branch and carrier at a time
description: Bulk Acoustic Resonator (FBAR) is a technology used in the design of filters and duplexers for wireless communication systems, particularly in the context of 3GPP specifications. It refers to a specific type of resonator that utilizes bulk acoustic waves to achieve filtering characteristics.
explanation: The abbreviation FBAR is classified as Technology because it describes a specific technological approach used in filter design within the context of 3GPP TS 37.806, focusing on its application and performance characteristics.
section_title: 5.2.3.2.2	Filter characteristics for FBAR technology
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