Electronics

地槽双频微带天线

Ground-Slotted Dual-Band Microstrip Antenna

A compact dual-band microstrip patch antenna operating at 1.75 GHz and 2.45 GHz, featuring a rectangular slot etched in the ground plane to introduce a lower resonance. / 一种紧凑型双频微带贴片天线，工作在1.75 GHz和2.45 GHz，通过在接地板上蚀刻矩形槽引入低频谐振。

Knowledge type: 物理设备
First proposed or discovered
Proposer: Turkey Farm member
Creator: 农场主
Last updated: 2026-11-11 18:05:51

Sub-knowledge points

Rectangular slot etched in the ground planeParametric sweep optimization using CST Microwave StudioAnalytical link-budget model formulation

Higher-order knowledge points

RF energy harvestingAmbient RF Energy HarvestingIoT harvesting systems

Main parameters and performance indicators

Operating Frequency: 1.75 GHz (GSM-1800 uplink) and 2.45 GHz (Wi-Fi band)Substrate: FR-4Dimensions: 40 × 47 × 1.6 mm3 (0.23λ × 0.27λ × 0.0093λ at 1.75 GHz)Peak Realized Gains: 1.07 dBi and 2.54 dBiTotal Efficiencies: 68% and 83%

Open problems

Radiation characteristics of the prototype were not measuredWearable use remains a possible application that has not been evaluated here

Related literature

ranked by community stars

Design of a Compact Ground-Slotted Dual-Band Microstrip Antenna for Ambient RF Energy HarvestingOpen source

地槽双频微带天线

Sub-knowledge points

Higher-order knowledge points

Main parameters and performance indicators

Open problems

Related products and links