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Updated: Jul 7, 2026
09:10
Construction and Characterization of External Cavity Diode Lasers for Atomic Physics
Published on: April 24, 2014
Injection locking techniques for a 1-GHz digital receiver using acoustic-wave devices.
P J Edmonson1, P M Smith, C K Campbell
1Dept. of Electrotechnol., Mohawk Coll., Hamilton, Ont.
Summary
Surface-transverse-wave (STW) resonator oscillators amplify phase-shift-keyed signals with low noise and constant power. They also perform effectively in carrier recovery applications, demonstrated by experimental results.
Area of Science:
- Electrical Engineering
- Signal Processing
- Acoustic Wave Devices
Background:
- Surface-transverse-wave (STW) resonators offer unique properties for electronic signal processing.
- Oscillators based on STW resonators are explored for their potential in amplification and carrier recovery.
Purpose of the Study:
- To discuss and analyze the performance of STW resonator-based oscillators as amplifiers and carrier recovery elements.
- To demonstrate the capability of these oscillators in handling phase-shift-keyed signals with minimal noise.
Main Methods:
- Utilizing STW resonator-based oscillators in amplifier configurations.
- Analyzing the performance of STW oscillators in carrier recovery circuits.
- Conducting experimental validation of amplification and carrier recovery capabilities.
Main Results:
- STW oscillators demonstrated amplification of phase-shift-keyed signals with very low added noise and constant output power.
- Experimental results showed amplification of a 2 Mb/s BPSK signal over an 80 dB dynamic range.
- Successful carrier recovery of an 8 Mb/s signal was achieved using a 1-GHz STW oscillator.
Conclusions:
- STW resonator-based oscillators are effective for amplifying phase-shift-keyed signals with high fidelity.
- These oscillators present a viable solution for carrier recovery in high-speed communication systems.
- The experimental results validate the practical application of STW oscillators in signal processing.
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