会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 61. 发明专利
    • Ecl logical circuit
    • ECL逻辑电路
    • JPS59147541A
    • 1984-08-23
    • JP2066583
    • 1983-02-10
    • Matsushita Electric Ind Co Ltd
    • AONO KUNITOSHIYAMADA HARUYASUHASEGAWA KENICHIMORI TOSHIKI
    • H03K19/086
    • PURPOSE: To keep the logical amplitude constant by applying negative feedback control to the current of a current source of a logical circuit depending on the fluctuation of logical amplitude.
      CONSTITUTION: A block 1 surrounded by dotted lines is a 3-input NAND circuit stacked longitudinally in three stages with emitter coupled logical ECL gates and consists of transistors (TRs)T
      1 ∼T
      6 . A TRT
      10 and a resistor R
      6 in a block 3 surrounded by dotted lines 3 constitute a current source, and the same voltage V
      c as the base voltage of a TRT
      7 of the current source of the block 1 is applied to the base of the TRT
      10 to form a current mirror circuit, and the current of the current source flows to a resistor R
      7 via TRsT
      11 , T
      12 , and T
      13 . Reference voltages VL, VM and VN are applied respectively to the TRs. Then, resistors R
      8 , R
      9 , TRsT
      14 and T
      15 constitute a differential amplifier and the current value of the current source is applied with negative feedback to be controlled by an output voltage of the amplifier.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:根据逻辑振幅的波动,通过对逻辑电路的电流源施加负反馈控制来保持逻辑幅度恒定。 构成:由虚线包围的块1是三级堆叠的三输入NAND电路,具有发射极耦合的逻辑ECL门并由晶体管(TR)T1-T6组成。 TRT10和由虚线3包围的块3中的电阻器R6构成电流源,并且将与块1的电流源的TRT7的基极电压相同的电压Vc施加到TRT10的基极,以形成 电流镜电路,并且电流源的电流经由TRsT11,T12和T13流到电阻器R7。 参考电压VL,VM和VN分别施加到TR。 然后,电阻R8,R9,TRsT14和T15构成差分放大器,并且电流源的电流值被施加负反馈以由放大器的输出电压控制。
    • 62. 发明专利
    • Bias circuit
    • 偏置电路
    • JPS59147506A
    • 1984-08-23
    • JP2063783
    • 1983-02-10
    • Matsushita Electric Ind Co Ltd
    • HASEGAWA KENICHIYAMADA HARUYASUMORI TOSHIKIAONO KUNITOSHI
    • H03F1/30
    • PURPOSE: To supply stably a bias by providing a transistor (TR) pair with special combination between a constant current source supplying the bias to plural circuits and a voltage source so as to eliminate the effect of fluctuation caused by a current amplification factor of the TRs and temperature change.
      CONSTITUTION: The TR pairs are constituted and connected in cascade by the 1st TRs Q
      11 , Q
      13 whose collectors and bases are connected respectively and the 2nd TRs Q
      12 , Q
      14 whose bases are connected to the bases of the TRs Q
      11 , Q
      13 . A voltage source V
      2 is connected to the collector of the TRs Q
      13 , Q
      14 of the TR pair via resistors R
      3 , R
      4 and the collector of the TRQ
      14 is connected to the base of the TRQ
      3 of the cathode follower. Further, the collector of the TRQ
      1 , Q
      2 of the constant current source connected to the voltage source V
      1 is connected to the emitter of the TRs Q
      11 , Q
      12 and the collector of the TRQ
      15 of the constant current source is connected to the emitter of the TRQ
      3 . Then, the effect of fluctuation in the current amplification factor and temperature change on each TR are eliminated and a bias is applied stably to the circuits 1∼3.
      COPYRIGHT: (C)1984,JPO&Japio
    • 目的:为了稳定地提供偏置,通过在向多个电路提供偏置的恒流源和电压源之间提供特殊组合提供晶体管(TR)对,以消除由TR的电流放大系数引起的波动的影响 和温度变化。 构成:TR对由第一TRs Q11,Q13级联构成,其集电极和基极分别连接,第二TRs Q12,Q14的基极连接到TRs Q11,Q13的基极。 电压源V2经由电阻器R3,R4连接到TR对的TRs Q13,Q14的集电极,并且TRQ14的集电极连接到阴极跟随器的TRQ3的基极。 此外,连接到电压源V1的恒流源的TRQ1,Q2的集电极连接到TRs Q11,Q12的发射极,恒流源的TRQ15的集电极连接到TRQ3的发射极 。 然后,消除了电流放大因子的波动和每个TR的温度变化的影响,并且将偏置稳定地施加到电路1-3。
    • 68. 发明专利
    • FREQUENCY DIVIDER
    • JPS57133728A
    • 1982-08-18
    • JP1987681
    • 1981-02-12
    • MATSUSHITA ELECTRIC IND CO LTD
    • HASEGAWA KENICHI
    • H03K23/00H03K23/64H03K23/66
    • PURPOSE:To eliminate the variance in delay time between the input and the output of a frequency divider of (n+1/2), by controlling a selection circuit with an output signal of the frequency dividing circuit. CONSTITUTION:A delay time T1 from the rise edge A of a signal source 1 (a) to the rise edge A' of an output (g) of a frequency dividing circuit 3, is the sum between the delay time of a differential amplifier 11, the delay time of an AND circuit 12, the delay time of an OR circuit 14 and the delay time of a frequency dividing circuit 3. Next, a delay time T2 from the fall edge C of (a) to the fall edge C' of (g), is similarly the sum of the delay times of the differential amplifier 11, an AND circuit 13, the OR circuit 14, and the frequency dividing circuit 3. In this case, since the AND circuts 12, 13 are of the same circuit form and the phase difference between two outputs of the differential amplifier 11 can be regarded as almost 180 deg.C, the delay times T1, T2 are equal.
    • 69. 发明专利
    • Bias circuit
    • 偏置电路
    • JPS5765908A
    • 1982-04-21
    • JP14349880
    • 1980-10-13
    • Matsushita Electric Ind Co Ltd
    • HASEGAWA KENICHI
    • H03F1/30
    • H03F1/302
    • PURPOSE:To compensate the voltage drop due to a resistance through which a bias voltage is supplied to a transistor, by providing a tansistor of a conduction type different from that of said transistor with bases connected commonly. CONSTITUTION:A bias voltage is supplied from a voltage source V0 through a resistance RB1 to the base of an NPN transistor (TR)Q1. The collector current is supplied to the TRQ1 from an NPN TRQ2, and the base of a PNP TRQ3 is connected to the base of the TRQ2 to make base currents of TRs Q2 and Q3 equal to each other. A PNP TRQ4 is connected to the base of the TRQ1, and TRs Q3 and Q4 are connected in series. An AC signal is given to the base of the TRQ1 trough a capacitor, and the signal is supplied from the emitter of the TRQ1 to a differential amplifier.
    • 目的:为了补偿由于向晶体管提供偏置电压的电阻引起的电压降,通过提供与所述晶体管的导通类型不同的导通型晶体管,其基极通常连接。 构成:从电压源V0通过电阻RB1向NPN晶体管(TR)Q1的基极提供偏置电压。 集电极电流从NPN TRQ2提供给TRQ1,PNP TRQ3的基极连接到TRQ2的基极,使TRs Q2和Q3的基极电流相等。 PNP TRQ4连接到TRQ1的基极,TRs Q3和Q4串联。 通过电容器向TRQ1的基极提供AC信号,并且该信号从TRQ1的发射极提供给差分放大器。