本論文使用台積電CMOS 0.18 μm 1P6M製程，設計並實作了兩個採用倍頻（frequency multiplying）和頻率注入鎖定（injection-locking）技術、以環型震盪器（ring oscillator）為基礎的無線發射機電路。
第一個發射機為一個雙頻帶的振幅調變（Amplitude-Shift Keying, ASK）式發射機，其最大的特色是它的高輸出功率以及廣泛的操作頻率範圍。此發射機的中心工作頻率為900 MHz與450 MHz，輸出功率為1.56 dBm，功率消耗為121 mW，能為RFID（測距）與生物醫學系統（biomedical systems）所應用。晶片面積為1.96 mm2。
第二個發射機為低功耗多種調變方式的生醫用發射機。其最大的特色為具有三種信號調變的功能，除了ASK之外，還有四相位調變（Quadrature Phase-Shift Keying, QPSK）和頻率調變（Frequency-Shift Keying, FSK）功能。此發射機的操作頻率為432 MHz，功率消耗為2.56 mW，可應用於生醫系統。晶片面積為1.69 mm2。

In this thesis, two designs and implementations of wireless transmitters under TSMC CMOS 0.18 μm 1P6M process are presented. These transmitters utilize frequency-multiplying and injection-locking techniques, and both using ring oscillators as a basic structure.
The first transmitter is a dual band amplitude-shift keying (ASK) transmitter, which has features of high output power and wide output frequency range. The center operating frequency of this transmitter is 900 MHz and 450 MHz. The output power is 1.56 dBm, with power consumption of 121 mW, and a chip area of 1.96 mm2. This transmitter is suitable for RFID distance detecting and biomedical systems applications.
The second transmitter is a low-power multi-modulation transmitter designed for biomedical systems. The main feature of this transmitter is that in addition to ASK modulation, it also has frequency-shift keying (FSK) and offset quadrature phase-shift keying (OQPSK) three different kinds of signal modulating methods. The operating frequency is 432 MHz, with power consumption of 2.56 mW, and a chip area of 1.69 mm2.

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