The present invention provides a variable gain amplifier comprising: an operational amplifier; at least one end of the access terminal as a signal, and the other end connected to an output terminal of said operational amplifier, and a series resistor in series circuit formed by a plurality of ...
There is disclosed a variable-gain amplifier circuit comprising an adjustable impedance circuit part including a bipolar transistor having a base connected to a control terminal for receiving a controlled bias voltage, a collector connected to a positive power supply voltage terminal, and an emitter co...
6175278Variable gain amplifier circuit2001-01-16Hasegawa330/278 Other References: Ahmed Abd El-Fattah, “Equalizer Implementation for 10 Gbps Serial Data Link in 90 nm CMOS Technology.”, IEEE ICM-Dec. 2007, 4 pages. Primary Examiner:
A variable gain amplifying circuit includes a gate-grounded amplifying FET and a collector-grounded amplifying transistor. A gate voltage of the FET and a base voltage of the transi
放大器类型: Variable Gain Amplifiers 通道数量: 1 Channel GBP-增益带宽产品: 3 GHz 电源电压-最大: 5.25 V 电源电压-最小: 4.75 V 工作电源电流: 215 mA 最小工作温度: - 40 C 最大工作温度: + 85 C 安装风格: SMD/SMT 封装/ 箱体: LFCSP-24 高度: 0.83 mm 长度: 4 mm 电源类型: Single 宽...
专利名称：Variable-gain amplifier 发明人：Francois Berrod,Fernand Puverel 申请号：US05/407996 申请日：19731019 公开号：US03942181A 公开日：19760302 专利内容由知识产权出版社提供 摘要：A variable-gain amplifier comprises a transistor with an emitter connected in a degenerative emitter-follower circuit ...
EMPHASIS CIRCUIT USING VARIABLE GAIN AMPLIFIER 专利名称：EMPHASIS CIRCUIT USING VARIABLE GAIN AMPLIFIER 发明人：HIRAYAMA KOUICHI 申请号：JP1060082 申请日：19820126 公开号：JPS58129812A 公开日：19830803 专利内容由知识产权出版社提供 摘要：PURPOSE:To vary a high-band gain easily through simple constitution ...
VARIABLE GAIN AMPLIFIER
The transmission circuit, and the communication equipment which uses that Gain control section 18 controls the profit of variable profit amplifier 14 on the basis of the temperature information of amplitude modulation section 15. Variable profit amplifier 14 expands the angular modulating signal with ...
Variable-gain amplifier 专利名称：Variable-gain amplifier 发明人：Makoto Teramoto,Mamoru Shimoda 申请号：US10216873 申请日：20020813 公开号：US20030038677A1 公开日：20030227 专利内容由知识产权出版社提供 专利附图：摘要：In a conventional variable-gain amplifier, when high-frequency signals are fed in,...