研究目的
Designing a highly integrated X-band receiver module based on a 10-layered low temperature co-fired ceramic (LTCC) substrate with compact X-band bandpass filter (BPF), intermediate frequency (IF) band hybrid, and IF band BPF to achieve high gain, low noise figure, and high image rejection.
研究成果
The proposed LTCC receiver module achieves high integration with a compact size of 54 mm × 15 mm × 1 mm, gain higher than 51 dB, noise figure better than 2.5 dB, and image rejection better than 37 dB. It outperforms other LTCC implementations in size, noise figure, and gain.
研究不足
The roughness of the top metal layer may result in higher passband insertion loss due to higher resistive loss. The size reduction challenge requires careful selection of layout and minimal number of circuit elements.
1：Experimental Design and Method Selection:
The design involves integrating two BPFs and one hybrid into an LTCC receiver module for down-converting and amplifying X-band frequency signals to IF band.
2：Sample Selection and Data Sources:
The components are designed and measured using specific equipment.
3：List of Experimental Equipment and Materials:
Includes LTCC substrate, HMC902 LNA chips, HMC520 IRM, PW112 IF amplifier, Agilent N5230C network analyzer, Cascade Microtech Summit 9000 probe stations, Agilent E8257D PSG, E4447 PSA, and Agilent N8975A NFA.
4：Experimental Procedures and Operational Workflow:
The process involves designing the BPFs and hybrid, assembling the receiver module, and measuring its performance.
5：Data Analysis Methods:
Performance parameters like gain, noise figure, and image rejection are measured and analyzed.
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