Novel Oscillator for use in Near-field Microwave Microscopy

被引：0

作者：

Jones, Dafydd ^{[1
]}

Cripps, Steve ^{[1
]}

Choi, Heungjae ^{[1
]}

Perks, Richard ^{[1
]}

Porch, Adrian ^{[1
]}

Brown, Phill ^{[2
]}

机构：

[1] Cardiff Univ, Ctr High Frequency, Cardiff, Wales

[2] Renishaw Plc, Wotton Under Edge, England

来源：

2023 ASIA-PACIFIC MICROWAVE CONFERENCE, APMC | 2023年

关键词：

Near-field Microwave microscopy; Oscillators;

D O I：

10.1109/APMC57107.2023.10439775

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper presents a near-field scanning microscope hardware embodiment using a high-speed, low-cost oscillator circuit, comprising of an RF amplifier with positive feedback. This is compared to a conventional configuration of a vector network analyser with both the measured frequency and constant frequency modes for height measurement of a metal surface. The constant frequency mode achieved similar results but with half the sampling time.

引用

页码：829 / 831

页数：3

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