公开(公告)号：EP0595346A1

公开(公告)日：1994-05-04

申请号：EP93117582.2

申请日：1993-10-29

申请人： NEC CORPORATION

发明人： Kosugi, Yuhei, c/o NEC Corporation ,  Yamamoto, Osamu, c/o NEC Corporation ,  Izumi, Hiroaki, c/o NEC Corporation ,  Kusamitsu, Hideki, c/o NEC Corporation ,  Omagari, Shin-ichi, c/o NEC Corporation ,  Watanabe, Hideo, c/o NEC Corporation ,  Minowa, Yoshio, c/o NEC Corporation

IPC分类号： H01P1/00 ,  H01P5/107

CPC分类号： H01P1/00 ,  H01L23/552 ,  H01L24/48 ,  H01L24/49 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/49111 ,  H01L2924/00014 ,  H01L2924/01014 ,  H01L2924/01068 ,  H01L2924/12041 ,  H01L2924/12044 ,  H01L2924/14 ,  H01L2924/1423 ,  H01L2924/15153 ,  H01L2924/1517 ,  H01L2924/16152 ,  H01L2924/16195 ,  H01L2924/19041 ,  H01L2924/3011 ,  H01L2924/3025 ,  H01P5/107 ,  H01L2924/00 ,  H01L2224/45099 ,  H01L2224/05599

摘要： A composite microwave circuit module assembly (80) has a dielectric substrate (20) which is formed by a lower layer, an intermediate layer and an upper layer. The lower layer and the upper layer include a lower ground surface (40) and an upper ground surface (43), respectively, and the intermediate layer includes a radio frequency signal circuit formed by an active circuit element and a passive circuit element. A number of via-holes (50) filled with metal are arranged along the radio frequency signal circuit to short-circuit the upper ground surface (43) and the lower ground surface (40) so as to shield the radio frequency signal circuit. An element mounting cavity (60) is disposed on the intermediate layer with a portion of dielectric above the intermediate layer being removed, and the active circuit element is mounted on an element mounting land in the cavity. The cavity is covered by a conductor plate member (33). A connection terminal (91) connected with the radio frequency signal circuit is provided in a surface of the dielectric substrate without projecting from the surface thereof and allows external electrical connection thereat from outside by a microwave circuit connection structure (81) having a contact member resiliently urged to said connection terminal.

摘要翻译： 复合微波电路模块组件（80）具有由下层，中间层和上层形成的电介质基板（20）。 下层和上层分别包括下地面（40）和上地面（43），中间层包括由有源电路元件和无源电路元件形成的射频信号电路。 沿着射频信号电路布置有多个填充有金属的通孔（50），以使上地表面（43）和下接地表面（40）短路以屏蔽射频信号电路。 元件安装腔（60）设置在中间层上，其中中间层上方的电介质部分被去除，并且有源电路元件安装在空腔中的元件安装台面上。 腔被导体板构件（33）覆盖。 与该射频信号电路连接的连接端子（91）设置在电介质基板的表面，而不会从其表面突出，并通过具有弹性的接触部件的微波电路连接结构（81）从外部进行外部电连接 呼吁说连接终端。

公开(公告)号：EP0595346B1

公开(公告)日：1999-01-07

申请号：EP93117582.2

申请日：1993-10-29

申请人： NEC CORPORATION

发明人： Kosugi, Yuhei, c/o NEC Corporation ,  Yamamoto, Osamu, c/o NEC Corporation ,  Izumi, Hiroaki, c/o NEC Corporation ,  Kusamitsu, Hideki, c/o NEC Corporation ,  Omagari, Shin-ichi, c/o NEC Corporation ,  Watanabe, Hideo, c/o NEC Corporation ,  Minowa, Yoshio, c/o NEC Corporation

IPC分类号： H01P1/00 ,  H01P5/107

CPC分类号： H01P1/00 ,  H01L23/552 ,  H01L24/48 ,  H01L24/49 ,  H01L2224/48091 ,  H01L2224/48227 ,  H01L2224/49111 ,  H01L2924/00014 ,  H01L2924/01014 ,  H01L2924/01068 ,  H01L2924/12041 ,  H01L2924/12044 ,  H01L2924/14 ,  H01L2924/1423 ,  H01L2924/15153 ,  H01L2924/1517 ,  H01L2924/16152 ,  H01L2924/16195 ,  H01L2924/19041 ,  H01L2924/3011 ,  H01L2924/3025 ,  H01P5/107 ,  H01L2924/00 ,  H01L2224/45099 ,  H01L2224/05599

摘要： A composite microwave circuit module assembly (80) has a dielectric substrate (20) which is formed by a lower layer, an intermediate layer and an upper layer. The lower layer and the upper layer include a lower ground surface (40) and an upper ground surface (43), respectively, and the intermediate layer includes a radio frequency signal circuit formed by an active circuit element and a passive circuit element. A number of via-holes (50) filled with metal are arranged along the radio frequency signal circuit to short-circuit the upper ground surface (43) and the lower ground surface (40) so as to shield the radio frequency signal circuit. An element mounting cavity (60) is disposed on the intermediate layer with a portion of dielectric above the intermediate layer being removed, and the active circuit element is mounted on an element mounting land in the cavity. The cavity is covered by a conductor plate member (33). A connection terminal (91) connected with the radio frequency signal circuit is provided in a surface of the dielectric substrate without projecting from the surface thereof and allows external electrical connection thereat from outside by a microwave circuit connection structure (81) having a contact member resiliently urged to said connection terminal.

公开(公告)号：EP0645916A2

公开(公告)日：1995-03-29

申请号：EP94115048.4

申请日：1994-09-23

申请人： NEC CORPORATION

发明人： Nishida, Masakazu, c/o NEC Corporation ,  Ohmagari, Shinichi, c/o NEC Corporation ,  Yamamoto, Osamu, c/o NEC Corporation

IPC分类号： H04L27/20 ,  H03C7/02

CPC分类号： H03C7/027

摘要： A phase modulator for microwave band having a desirable modulation characteristic by maintaining the impedance thereof constant, comprising two PIN diodes (2) and (3) connected to a merchant balun (1) and a bias circuit (18) which supplies bias voltages to the PIN diodes (2) and (3) such that the sum of the bias voltages applied to the diodes (2)and (3) to be constant. The bias voltages are selected so as to have the input and output impedances to be in the most stable state when a modulation signal is equal to zero.

公开(公告)号：EP0645916B1

公开(公告)日：2002-06-19

申请号：EP94115048.4

申请日：1994-09-23

申请人： NEC CORPORATION

发明人： Nishida, Masakazu, c/o NEC Corporation ,  Ohmagari, Shinichi, c/o NEC Corporation ,  Yamamoto, Osamu, c/o NEC Corporation

IPC分类号： H04L27/20 ,  H03C7/02

CPC分类号： H03C7/027

公开(公告)号：EP0705010B1

公开(公告)日：2001-01-10

申请号：EP95115349.3

申请日：1995-09-28

申请人： NEC CORPORATION

发明人： Ohmagari, Shinichi, c/o NEC Corporation ,  Yamamoto, Osamu, c/o NEC Corporation

IPC分类号： H04L27/20 ,  H03F1/32

CPC分类号： H03F1/3247 ,  H03F1/3282 ,  H03F2200/102 ,  H04L27/368

公开(公告)号：EP0705010A1

公开(公告)日：1996-04-03

申请号：EP95115349.3

申请日：1995-09-28

申请人： NEC CORPORATION

发明人： Ohmagari, Shinichi, c/o NEC Corporation ,  Yamamoto, Osamu, c/o NEC Corporation

IPC分类号： H04L27/20 ,  H03F1/32

CPC分类号： H03F1/3247 ,  H03F1/3282 ,  H03F2200/102 ,  H04L27/368

摘要： It is an object of the present invention to provide a transmitter which is inexpensive and small in size and is reduced in power dissipation and besides wherein the output power of a power amplifier can be varied to an arbitrary value.
A phase modulator, a variable attenuator, a high power amplifier, a directional coupler, a detector, an error amplifier, a switch and an analog multiplier form an envelope feedback loop. The envelope feedback loop controls an envelope of a modulated wave detected by the detector so that a base band signal and the envelope of the modulated wave may coincide with each other. The circuits mentioned above, a smoothing circuit, another error amplifier, another switch and an adder form an operation point feedback loop. The operation point feedback loop smoothes an error of an output envelope detection signal of the detector and controls so that the smoothed error may be in the minimum.
Accordingly, with the transmitter of the present invention, even if a variation of the gain of the high power amplifier or the like occurs, a reference amplitude signal for the envelope feedback loop to be inputted from a rectifier to the error amplifier is controlled by an ALC loop which feeds back the reference amplitude signal so that a smoothed level of a root mean square value of the envelope detection signal and a first reference voltage may coincide with each other, and a fixed output power corresponding to the first reference voltage is obtained at an output terminal.

摘要翻译： 本发明的目的是提供一种廉价且体积小并且功率消耗降低的发射机，此外，功率放大器的输出功率可以变化到任意值。 相位调制器，可变衰减器，高功率放大器，定向耦合器，检测器，误差放大器，开关和模拟乘法器形成包络反馈回路。 包络反馈环控制由检测器检测到的调制波的包络，使得基带信号和调制波的包络彼此一致。 上述电路，平滑电路，另一误差放大器，另一开关和加法器构成操作点反馈回路。 操作点反馈环路平滑检测器的输出包络检测信号的误差，并进行控制，使得平滑的误差可能最小。 因此，利用本发明的发射机，即使发生高功率放大器等的增益的变化，也可以将由整流器输入到误差放大器的包络反馈回路的基准振幅信号由 ALC回路，其反馈参考振幅信号，使得包络检测信号的均方根值的平滑化水平和第一参考电压可以彼此一致，并且获得与第一参考电压相对应的固定输出功率 输出端子

公开(公告)号：EP0645916A3

公开(公告)日：1995-09-13

申请号：EP94115048.4

申请日：1994-09-23

申请人： NEC CORPORATION

发明人： Nishida, Masakazu, c/o NEC Corporation ,  Ohmagari, Shinichi, c/o NEC Corporation ,  Yamamoto, Osamu, c/o NEC Corporation

IPC分类号： H04L27/20 ,  H03C7/02

CPC分类号： H03C7/027

摘要： A phase modulator for microwave band having a desirable modulation characteristic by maintaining the impedance thereof constant, comprising two PIN diodes (2) and (3) connected to a merchant balun (1) and a bias circuit (18) which supplies bias voltages to the PIN diodes (2) and (3) such that the sum of the bias voltages applied to the diodes (2)and (3) to be constant. The bias voltages are selected so as to have the input and output impedances to be in the most stable state when a modulation signal is equal to zero.

摘要翻译： 一种通过保持其阻抗恒定而具有所需调制特性的微波频带相位调制器，包括连接到商用平衡 - 不平衡变换器（1）的两个PIN二极管（2）和（3），以及偏置电路（18） PIN二极管（2）和（3）使得施加到二极管（2）和（3）的偏置电压的总和恒定。 选择偏置电压以使得当调制信号等于零时输入和输出阻抗处于最稳定状态。