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    • 3. 发明授权
    • Low noise amplifier circuit with an isolating switch topology
    • 具有隔离开关拓扑结构的低噪声放大器电路
    • US6118338A
    • 2000-09-12
    • US447617
    • 1999-11-23
    • Michael Louis FrankHenrik Morkner
    • Michael Louis FrankHenrik Morkner
    • H03F3/72H03F1/14H03F1/02H03F1/36
    • H03F3/72H03F2200/294H03F2200/372
    • An amplifier/switch circuit includes a first circuit input, a second circuit input, a circuit output, an amplifier, a switching circuit and a DC blocking capacitor. The amplifier has an amplifier control input, a first amplifier output and a second amplifier output. The amplifier control input is connected to the first circuit input. The first amplifier output is connected to the second circuit input. The second amplifier output is connected to the circuit output. A switching circuit has a switch control input, a switch input and a switch output. The switch control input is connected to the circuit output. The control input is connected to the second circuit input. The DC blocking capacitor is connected between the amplifier control input of the first transistor and the switch input.
    • 放大器/开关电路包括第一电路输入,第二电路输入,电路输出,放大器,开关电路和隔直流电容器。 该放大器具有放大器控制输入,第一放大器输出和第二放大器输出。 放大器控制输入连接到第一个电路输入。 第一个放大器输出端连接到第二个电路输入。 第二个放大器输出端连接到电路输出端。 开关电路具有开关控制输入,开关输入和开关输出。 开关控制输入连接到电路输出。 控制输入​​连接到第二个电路输入。 隔直流电容器连接在第一晶体管的放大器控制输入端和开关输入端之间。
    • 5. 发明授权
    • Duplexer with a differential receiver port implemented using acoustic resonator elements
    • 具有使用声谐振器元件实现的差分接收器端口的双工器
    • US07277403B2
    • 2007-10-02
    • US10017207
    • 2001-12-13
    • Michael Louis Frank
    • Michael Louis Frank
    • H04B3/20H04B1/44H04L12/56
    • H03H9/0095H01P1/213H03H7/42H03H9/0028H03H9/6433
    • A duplexer includes an input/output line, a receive segment and a transmit segment. The transmit segment is connected to the input/output line. The receive segment includes a balun and a differential filter. The balun includes a first output, a second output, a first transmission line and a second transmission line. The first transmission line is connected between the input/output line and the first output. The second transmission line is connected between the input/output line and the second output. The differential filter is connected to the first output and the second output. The differential filter shorts the first output and the second output at transmit band frequencies of the duplexer.
    • 双工器包括输入/​​输出线,接收段和发送段。 发送段连接到输入/输出线。 接收段包括平衡 - 不平衡转换和差分滤波器。 平衡 - 不平衡变换器包括第一输出,第二输出,第一传输线和第二传输线。 第一个传输线连接在输入/输出线和第一个输出之间。 第二传输线连接在输入/输出线和第二输出端之间。 差分滤波器连接到第一输出和第二输出。 差分滤波器在双工器的发送频带频率处短路第一个输出和第二个输出。
    • 6. 发明授权
    • Arrangement of lattice filter
    • 晶格滤波器的布置
    • US07187255B2
    • 2007-03-06
    • US10974078
    • 2004-10-26
    • Kun WangMichael Louis FrankRichard Ruby
    • Kun WangMichael Louis FrankRichard Ruby
    • H03H9/54
    • H03H9/0095
    • A filter and method of manufacturing a filter having a lattice arrangement that efficiently utilizes substrate space. An embodiment of the invention is directed to a filter having a plurality of resonators disposed on a substrate, each resonator comprising a first electrode and a second electrode disposed vertically adjacent such that an acoustic cavity of a piezoelectric material is formed between each first electrode and each second electrode of each resonator, the first and second electrodes of each resonator electrically isolated from each other via the piezoelectric material. In this manner, the filter is realized without having to use any vias. Additionally, the resonators may be of a shape that allows each to be disposed close together such that some sides of each of the resonators are parallel to each other. Thus, substrate space can be preserved even further.
    • 一种制造具有有效利用衬底空间的晶格布置的滤光器的滤光器和方法。 本发明的实施例涉及一种具有设置在基板上的多个谐振器的滤波器,每个谐振器包括第一电极和垂直相邻设置的第二电极,使得在每个第一电极和每个第一电极之间形成压电材料的声腔 每个谐振器的第二电极,每个谐振器的第一和第二电极经由压电材料彼此电隔离。 以这种方式,实现过滤器而不必使用任何通孔。 此外,谐振器可以是允许每个谐振器彼此靠近放置的形状,使得每个谐振器的一些侧面彼此平行。 因此,可以进一步保持基板空间。
    • 7. 发明授权
    • Multiple band handset architecture
    • 多频段手机架构
    • US07162266B2
    • 2007-01-09
    • US11016115
    • 2004-12-17
    • Michael Louis Frank
    • Michael Louis Frank
    • H04Q7/20
    • H04B1/406H04B1/005H04B1/50H04W88/06
    • A handset includes two antennae, wherein one antenna is solely dedicated to multi-band frequency division multiplexed signals. The first antenna connects to an antenna switch. The antenna switch further connects to receivers and transmitters of time division band standards. The second antenna transceives a multi-band frequency division multiplexed signal. A modular filter receives the multi-band frequency division multiplexed signal and separates the frequency bands. To provide diversity, the antenna switch connects to a receiver for each frequency division band standard.
    • 手机包括两个天线,其中一个天线仅专用于多频带频分复用信号。 第一个天线连接到天线开关。 天线开关进一步连接到时分带标准的接收器和发射器。 第二天线收发多频带频分复用信号。 模块化滤波器接收多频带​​分频复用信号并分离频带。 为了提供分集,天线开关连接到每个分频带标准的接收机。