CN2855349Y - 高频治疗设备射频发生及功放电路 - Google Patents

高频治疗设备射频发生及功放电路 Download PDF

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Publication number
CN2855349Y
CN2855349Y CN 200520036641 CN200520036641U CN2855349Y CN 2855349 Y CN2855349 Y CN 2855349Y CN 200520036641 CN200520036641 CN 200520036641 CN 200520036641 U CN200520036641 U CN 200520036641U CN 2855349 Y CN2855349 Y CN 2855349Y
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circuit
power
radio frequency
radiofrequency signal
generation
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李楚雅
李勤波
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Sichuan Jinjiang Electronic Science and Technology Co Ltd
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Abstract

本实用新型公开了一种高频治疗设备射频发生及功放电路，包括有射频信号发生电路，射频信号调节电路，功率控制信号发送电路，功率放大电路，输出端，其特征在于：功率控制信号发送电路连接至集成在一起的射频信号发生和功信号调节电路，集成在一起的射频信号发生和功信号调节电路的信号输出端连至功率放大电路的输入端，功率放大电路的输出端连接至该设备的输出端。本实用新型的有益效果是：通过将功率调节电路和射频发生电路结合在一起，简化了电路结构，具有射频频率稳定，可靠性高等特点。

Description

高频治疗设备射频发生及功放电路
技术领域
本实用新型涉及一种高频治疗设备射频发生及功放电路。
背景技术
以前的射频功率电路大多采用射频信号发生/功率放大电路后连接功率调节电路或者射频信号发生器加信号调节电路连接功率放大电路两种方法。电路比较复杂，射频频率易随温度、负载等的变化而漂移。
发明内容
本实用新型的目的在于：提供一种射频稳定，可靠性高的射频发生及功放电路。
本实用新型的技术方案是：
一种高频治疗设备射频发生及功放电路，包括有射频信号发生电路，射频信号功率调节电路，功率放大电路，输出端，其特征在于：射频信号发生和射频信号功率调节电路集成在一起，集成在一起的射频信号发生和射频信号功率调节电路的信号输出端连至功率放大电路的输入端，功率放大电路的输出端连接至该设备的输出端。
本实用新型的有益效果是：通过将功率调节电路和射频发生电路结合在一起，简化了电路结构，具有射频频率稳定，可靠性高等特点。
附图说明
图1是本实用新型的高频治疗设备射频发生及功放电路原理框图。
图2是本实用新型的具体实施例的电路图
具体实施方式
下面结合附图和实施例对本实用新型进一步说明。
本实用新型的具体实施例，如附图1和附图2所示，一种高频治疗设备射频发生及功放电路，包括有射频信号发生电路，射频信号功率调节电路，功率放大电路，输出端，其特征在于：射频信号发生和射频信号功率调节电路集成在一起，集成在一起的射频信号发生和射频信号功率调节电路的信号输出端连至功率放大电路的输入端，功率放大电路的输出端连接至该设备的输出端。
其中，R20～R27、C20、CY1、CY2、D2、D3、Q4、Q5组成射频振荡电路，R11、R15、R19、C18～C19、D1、Q2、Q3组成调节电路，调节射频振荡电路信号幅度，并经过T1耦合输出；R1～R4、R10～R25、R28～R29、R31～R34、C25～C27、L3、Q1～Q4、Q6～Q9组成推挽式甲乙类功率放大器，Q1～Q4并联，Q6～Q9并联，射频能量通过T2隔离输出。通过调节射频振荡电路信号幅度(及功放电路输入信号)达到调节射频输出功率的目的。

Claims (1)

1.一种高频治疗设备射频发生及功放电路，包括有射频信号发生电路，射频信号功率调节电路，功率放大电路，输出端，其特征在于：射频信号发生和射频信号功率调节电路集成在一起，集成在一起的射频信号发生和射频信号功率调节电路的信号输出端连至功率放大电路的输入端，功率放大电路的输出端连接至该设备的输出端。
CN 200520036641 2005-12-23 2005-12-23 高频治疗设备射频发生及功放电路 Expired - Lifetime CN2855349Y (zh)

Priority Applications (1)

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CN 200520036641 CN2855349Y (zh) 2005-12-23 2005-12-23 高频治疗设备射频发生及功放电路

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CN 200520036641 CN2855349Y (zh) 2005-12-23 2005-12-23 高频治疗设备射频发生及功放电路

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CN2855349Y true CN2855349Y (zh) 2007-01-10

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103417292A (zh) * 2013-06-06 2013-12-04 上海理工大学 电外科模拟系统

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103417292A (zh) * 2013-06-06 2013-12-04 上海理工大学 电外科模拟系统

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