-
公开(公告)号：EP0427016A3
公开(公告)日：1992-02-26
申请号：EP90119873.9
申请日：1990-10-17
IPC分类号： H03K3/023
CPC分类号： H03K3/02337
摘要： An electronic comparator device (1) with hysteresis, being of a type which comprises a differential cell (2) having a signal input (IN), an output (OUT), and a threshold input (S), further comprises a second differential cell (9) having one input (B9) connected to said output (OUT) and the other input (B10) connected to a controlling circuit portion (10) which has an output (E11) connected to the threshold input (S) to reduce the threshold voltage value (Vs) stepwise on the first change-over of the output (OUT) of the comparator (1).
-
2.发明公开A broad operational range, automatic device for the change of frequency in the horizontal deflection of multisynchronization monitors 失效自动装置具有广泛范围的用于改变多同步监视器的水平偏转的应用程序。
公开(公告)号：EP0463418A2
公开(公告)日：1992-01-02
申请号：EP91109162.7
申请日：1991-06-05
摘要： A broad operational range, automatic device for the change of frequency in the horizontal deflection of multi-synchronization monitors comprises an integrated circuit (2) incorporating,
a frequency meter (3) being input an analog synchronization signal (S1),
a phase comparator (14) having two inputs (15,16) and in turn receiving said synchronization signal (S1) on one input (15),
a voltage (Vc)-controlled oscillator (12) adapted to output a signal (S3) whose frequency is depending on said voltage (Vc) and operatively linked to an output (22) of said phase comparator (14), and
a counter (9) connected with its input, on the one side, to the oscillator (12) output, and on the other side, to the meter (3) output, said counter having an output (21) connected to the other input of the phase comparator (14) also forming the integrated circuit (2) output.摘要翻译： 的宽操作范围内，频率的多同步的水平偏转的变化自动装置监测包括（集成电路（2）包含，一个频率计（3）被输入到模拟同步信号（S1），一个相位比较器 具有两个输入端（15,16）和依次在一个输入端（15），电压（VC）控制的振荡器（12）接收所述同步信号（S1）14）（适应于谁的频率根据所输出的信号S3） 在所述电压（Vc）和可操作地在所述相位比较器（14）的输出（22）连接到，和一个计数器（9），其输入端连接，在一侧，所述振荡器（12）输出，并在 另一侧，到仪表（3）输出，所述的在连接到相位比较器（14）的其他输入输出端（21），计数器，从而形成集成的电路（2）输出。
-
3.发明授权
公开(公告)号：EP0463418B1
公开(公告)日：1998-07-29
申请号：EP91109162.7
申请日：1991-06-05
-
4.发明公开Level detector of the integratable bipolar type for high-frequency sinusoidal signals 失效用于高频信号信号的综合双极型电平检测器
公开(公告)号：EP0370559A3
公开(公告)日：1991-05-08
申请号：EP89202876.2
申请日：1989-11-13
发明人： Lietar, Loic
IPC分类号： G01R19/165
CPC分类号： H03K5/2418 , G01R19/1658
摘要： The level detector comprises a first capacitance (1) having a charge circuit including a first transistor (3) controlled by the input signal to be detected (Vi) and a discharge circuit. A second capacitance (6) has a charge circuit including a second transistor (8) controlled by the input signal and a discharge circuit having at least one third transistor (17, 18) having pre-set electrical and geometrical characteristics. The above discharge circuits are connected to the respective inputs of a comparator (13) whose output is representative of the difference between the maximum amplitude of the input signal and a reference level depending on said electrical and geometrical characteristics of said third transistor (17, 18).
-
5.发明公开A broad operational range, automatic device for the change of frequency in the horizontal deflection of multisynchronization monitors 失效一种广泛的操作范围，用于多频信号监测器水平偏移中频率变化的自动设备
公开(公告)号：EP0463418A3
公开(公告)日：1992-04-29
申请号：EP91109162.7
申请日：1991-06-05
摘要： A broad operational range, automatic device for the change of frequency in the horizontal deflection of multi-synchronization monitors comprises an integrated circuit (2) incorporating,
a frequency meter (3) being input an analog synchronization signal (S1),
a phase comparator (14) having two inputs (15,16) and in turn receiving said synchronization signal (S1) on one input (15),
a voltage (Vc)-controlled oscillator (12) adapted to output a signal (S3) whose frequency is depending on said voltage (Vc) and operatively linked to an output (22) of said phase comparator (14), and
a counter (9) connected with its input, on the one side, to the oscillator (12) output, and on the other side, to the meter (3) output, said counter having an output (21) connected to the other input of the phase comparator (14) also forming the integrated circuit (2) output.-
6.发明公开An electronic comparator device with hysteresis 失效Elektronische Komparatorvorrichtung mit Hysterese。
公开(公告)号：EP0427016A2
公开(公告)日：1991-05-15
申请号：EP90119873.9
申请日：1990-10-17
IPC分类号： H03K3/023
CPC分类号： H03K3/02337
摘要： An electronic comparator device (1) with hysteresis, being of a type which comprises a differential cell (2) having a signal input (IN), an output (OUT), and a threshold input (S), further comprises a second differential cell (9) having one input (B9) connected to said output (OUT) and the other input (B10) connected to a controlling circuit portion (10) which has an output (E11) connected to the threshold input (S) to reduce the threshold voltage value (Vs) stepwise on the first change-over of the output (OUT) of the comparator (1).
摘要翻译： 具有迟滞的电子比较器装置（1）是包括具有信号输入（IN），输出（OUT）和阈值输入（S）的差分单元（2）的类型的电子比较器装置（1），还包括第二差分单元 （9）具有连接到所述输出（OUT）的一个输入（B9）和连接到具有连接到阈值输入（S）的输出（E11））的控制电路部分（10）的另一个输入（B10），以减少 阈值电压值（Vs）在比较器（1）的输出（OUT）的第一次转换上逐步。
-
7.发明公开Level detector of the integratable bipolar type for high-frequency sinusoidal signals 失效Integrierbarer bipolarer NiveaudetektorfürhochfrequentesinusförmigeSignale。
公开(公告)号：EP0370559A2
公开(公告)日：1990-05-30
申请号：EP89202876.2
申请日：1989-11-13
发明人： Lietar, Loic
IPC分类号： G01R19/165
CPC分类号： H03K5/2418 , G01R19/1658
摘要： The level detector comprises a first capacitance (1) having a charge circuit including a first transistor (3) controlled by the input signal to be detected (Vi) and a discharge circuit. A second capacitance (6) has a charge circuit including a second transistor (8) controlled by the input signal and a discharge circuit having at least one third transistor (17, 18) having pre-set electrical and geometrical characteristics. The above discharge circuits are connected to the respective inputs of a comparator (13) whose output is representative of the difference between the maximum amplitude of the input signal and a reference level depending on said electrical and geometrical characteristics of said third transistor (17, 18).
摘要翻译： 电平检测器包括具有充电电路的第一电容（1），该充电电路包括由待检测的输入信号（Vi）控制的第一晶体管（3）和放电电路。 第二电容（6）具有包括由输入信号控制的第二晶体管（8）的充电电路和具有至少一个第三晶体管（17,18）的放电电路，该第三晶体管具有预定的电和几何特性。 上述放电电路连接到比较器（13）的相应输入，比较器（13）的输出代表输入信号的最大幅度与参考电平之间的差异，这取决于所述第三晶体管（17,18）的电和几何特性 ）。
-
公开(公告)号：EP0346623A3
公开(公告)日：1990-03-21
申请号：EP89108741.3
申请日：1989-05-16
发明人： Lietar, Loic
IPC分类号： H03L7/18
摘要： The circuit (1) comprises a closed control loop (2) including a voltage controlled oscillator (3), a frequency divider (4), a phase comparator (5), and a low-pass filter (6) cascade interconnected via respective inputs and outputs, with the filter (6) output connected to the oscillator (3) input to form the loop (2). The circuit further comprises a second comparator (10) connected in parallel to the phase comparator (5) between the frequency divider (4) output and the low-pass filter (6) input to compare a reference frequency (F1) to a frequency (F2) from the divider (4) when the values of such frequencies (F1,F2) lie far apart.
-
9.发明授权Level detector of the integratable bipolar type for high-frequency sinusoidal signals 失效用于高频正弦信号可集成的双极型电平检测器。
公开(公告)号：EP0370559B1
公开(公告)日：1994-08-24
申请号：EP89202876.2
申请日：1989-11-13
发明人： Lietar, Loic
IPC分类号： G01R19/165
CPC分类号： H03K5/2418 , G01R19/1658
-
10.发明公开A circuit for high-efficiency tuning video frequencies 失效Schaltung zur Abstimmung von Videofrequenzen mit hohem Nutzeffekt。
公开(公告)号：EP0346623A2
公开(公告)日：1989-12-20
申请号：EP89108741.3
申请日：1989-05-16
发明人： Lietar, Loic
IPC分类号： H03L7/18
摘要： The circuit (1) comprises a closed control loop (2) including a voltage controlled oscillator (3), a frequency divider (4), a phase comparator (5), and a low-pass filter (6) cascade interconnected via respective inputs and outputs, with the filter (6) output connected to the oscillator (3) input to form the loop (2). The circuit further comprises a second comparator (10) connected in parallel to the phase comparator (5) between the frequency divider (4) output and the low-pass filter (6) input to compare a reference frequency (F1) to a frequency (F2) from the divider (4) when the values of such frequencies (F1,F2) lie far apart.
摘要翻译： 电路（1）包括一个闭合控制回路（2），包括压控振荡器（3），分频器（4），相位比较器（5）和通过相应输入互连的低通滤波器（6） 并输出连接到振荡器（3）的滤波器（6）输出以形成环路（2）。 电路还包括与分频器（4）输出和低通滤波器（6）输入之间并联连接到相位比较器（5）的第二比较器（10），以将参考频率（F1）与频率（ F2），当这些频率（F1，F2）的值相差很远时
-
-
-
-
-
-
-
-
-
搜索结果
10 条记录 (耗时 0.009 秒)
