표 5. | Table 5. 이전 CFB 연구 결과들과 비교 | Comparison with previous CFB works.

Ref.	Freq.	Input signal	Pout	Improvement of IMD
[4]	900 MHz	80 kHz, 2 tone	37 dBm	35 dB min.
[6]	800 MHz	CQPSk : 6.25 kHz BW 2 kHz, 2 tone	34.8 dBm35 dBm	20 dB min.30 dB min.
[7]	800 MHz	TETRA: 25 kHz BW	30 dBm	30 dB min.
[8]	860 MHz	12.5 kHz, 2 tone	43 dBm	22.4 dB min.