2) FM/IF
调频中频
1.
A FM/IF Receive System in FLEX Pager;
一种寻呼机调频中频接收芯片设计
5) IF modulation
中频调制
1.
Based on quadrature modulation,DDS,digital interpolation and ARM microprocessor,an IF modulation scheme is introduced,which is implemented on a general hardware platform using the quadrature digital upconverter AD9856 and ARM926EJ-S microprocessor S3C24A0A.
介绍了一种适用于数字通信系统的中频调制方案。
6) IF modulator
中频调制器
1.
Due to introduce a novel structured variable gain amplifier with high gain adjustment range, measurement results show that output power range of the IF modulator is -81~-10 dBm; the operation frequency is up to 600 MHz; the output noise at the minimum gain setting is -140 dBm/Hz, and the output P1 dB at the maximum gain setting is -4.
2 5 μmCMOS混合工艺 ,针对超外差结构的无线宽带收发器 ,实现了一个能够工作在 5 0~6 0 0MHz的中频调制器 ,并对该调制器进行了仿真和测试。
补充资料:定风波 商角调 商角调 西江客舍
【诗文】:
恨行云、特地高寒,牢笼好梦不定。婉娩年华,凄凉客况,泥酒浑成病。画阑深,碧窗静。一树瑶花可怜影。低映。怕月明照见,青禽相并。素衾自冷。又寒香、枕上薰愁醒。甚银床霜冻,山童未起,谁汲墙阴井。玉笙残,锦书迥。应是多情道薄*。争肯。便等闲孤负,西湖春兴。
【注释】:
【出处】:
恨行云、特地高寒,牢笼好梦不定。婉娩年华,凄凉客况,泥酒浑成病。画阑深,碧窗静。一树瑶花可怜影。低映。怕月明照见,青禽相并。素衾自冷。又寒香、枕上薰愁醒。甚银床霜冻,山童未起,谁汲墙阴井。玉笙残,锦书迥。应是多情道薄*。争肯。便等闲孤负,西湖春兴。
【注释】:
【出处】:
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条