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    • 2. 发明申请
    • NARROW ULTRA WIDEBAND PULSE GENERATOR
    • NARROW超声波脉冲发生器
    • WO2006126187A1
    • 2006-11-30
    • PCT/IL2006/000588
    • 2006-05-18
    • CAMERO-TECH LTD.KABELLY, MotiKEREN, Yossi
    • KABELLY, MotiKEREN, Yossi
    • H03K3/33
    • H03K3/33
    • A circuitry for generating a narrow impulse including an input device coupled to a matching circuitry that is coupled to a step recovery diode (SRD). The input device is configured to receive a succession of digital input signals, each characterized by having high level and low level portions. The signals having less than 50% duty cycle. The input device is configured to drive forward the SRD through the matching circuitry during the high level portion of the digital signal, whereby the SRD stores sufficient power for generating the narrow impulse following the falling edge of the high level portion of the digital input signal.
    • 一种用于产生窄脉冲的电路,包括耦合到耦合到阶跃恢复二极管(SRD)的匹配电路的输入设备。 输入设备被配置为接收一系列数字输入信号,每个数字输入信号的特征在于具有高电平和低电平部分。 信号占空比小于50%。 输入设备被配置为在数字信号的高电平部分期间通过匹配电路驱动SRD,由此SRD存储足够的功率用于在数字输入信号的高电平部分的下降沿之后产生窄脉冲。
    • 3. 发明申请
    • PULSE GENERATING CIRCUITS USING DRIFT STEP RECOVERY DEVICES
    • 脉冲生成电路使用DRIFT步骤恢复器件
    • WO1997018630A1
    • 1997-05-22
    • PCT/IB1996001212
    • 1996-11-12
    • KARDO-SYSSOEV, Alexei, F.EFANOV, Vladimir, M.ZAZULIN, Sergey V.TCHASHNIKOV, Igor G.
    • H03K03/53
    • H03K3/33H03K3/57
    • A pulse generating circuit utilizes a drift step recovery transistor to apply power from a direct current power supply to a pulse forming network when a trigger pulse is applied thereto. The pulse forming network comprises a storage inductor connected in series with the transistor, a series connected separating diode and a drift step recovery diode which are connected in parallel with the storage inductor, a series connected pumping inductor and pumping resistor which together form a pumping circuit connected in parallel with respect to the separating diode, and a load resistor. Current passed via the transistor increases in the storage inductor and the pumping inductor and is blocked by the separating diode to inject electron-hole plasma from the pumping inductor into the drift step recovery diode when the transistor is conducting. The transistor blocks current at the end of the trigger pulse, and the storage inductor reverses polarity to bias the separating diode into a conducting state to extract the plasma from the drift step recovery diode. The drift step recovery diode blocks current after the plasma has been extracted to switch current from the storage inductor into the load resistor to generate a pulse.
    • 当施加触发脉冲时,脉冲发生电路利用漂移阶跃恢复晶体管将来自直流电源的功率施加到脉冲形成网络。 脉冲形成网络包括与晶体管串联连接的存储电感器,与存储电感器并联连接的串联连接的分离二极管和漂移阶跃恢复二极管,串联连接的泵浦电感器和泵浦电阻器,它们一起形成泵浦电路 相对于分离二极管并联连接的负载电阻器。 通过晶体管的电流在存储电感器和泵浦电感器中增加,并且当晶体管导通时被分离二极管阻挡以将来自泵浦电感器的电子 - 空穴等离子体注入到漂移阶跃恢复二极管中。 晶体管在触发脉冲结束时截止电流,并且存储电感器反转极性以将分离二极管偏置为导通状态,以从漂移阶跃恢复二极管提取等离子体。 在提取等离子体之后,漂移步骤恢复二极管阻断电流,以将电流从存储电感器切换到负载电阻器中以产生脉冲。
    • 4. 发明申请
    • パルス発生回路、及びサンプリング回路
    • 脉冲发生电路和采样电路
    • WO2004049567A1
    • 2004-06-10
    • PCT/JP2003/015066
    • 2003-11-26
    • 株式会社アドバンテスト川田 章弘
    • 川田 章弘
    • H03K3/02
    • H03K3/33H03K17/74
    •  振幅の符号が異なる2つのパルスを生成するパルス発生回路であって、アノード及びカソードの電位がパルスとしてそれぞれ出力されるステップリカバリダイオードと、順方向バイアス又は逆方向バイアスの一方を、与えられる制御信号に応じて選択し、ステップリカバリダイオードに印加するバイアス部と、ステップリカバリダイオードに順方向バイアスが印加される場合にステップリカバリダイオードに供給される順方向電流を規定する順方向電流源と、ステップリカバリダイオードに逆方向バイアスが印加される場合にステップリカバリダイオードに供給される逆方向電流を規定する逆方向電流源とを備えることを特徴とするパルス発生回路を提供する。
    • 脉冲发生电路产生具有不同振幅符号的两个脉冲。 脉冲发生电路包括:用于输出阳极电位和阴极电位作为脉冲的阶跃恢复二极管; 偏置部分,用于根据给出的控制信号选择正向偏置或反向偏置,并将其施加到阶跃恢复二极管; 正向电流源,用于当将正向偏压施加到阶跃恢复二极管时限定提供给阶跃恢复二极管的正向电流; 以及反向电流源,用于当反向偏压施加到阶跃恢复二极管时限定提供给阶跃恢复二极管的反向电流。
    • 8. 发明申请
    • INHIBITABLE DIODE SWITCH
    • 可控二极管开关
    • WO2005006553A3
    • 2005-05-12
    • PCT/GB2004002771
    • 2004-06-28
    • LC IND LTDNEVILLE RICHARD
    • NEVILLE RICHARD
    • H03K3/33H03K17/74
    • H03K3/33H03K17/74
    • An inhibitable switching circuit comprising a back to back diode switch and an inhibit circuit connected to the back to back diode switch. The back to back diode switch comprises first and second diodes each having a first polarity region and a second polarity region, the first and second diodes being connected in series back to back with the first polarity region of the first diode connected to the first polarity region of the second diode. The back to back diode also comprises a first input terminal connected to the second polarity region of the first diode, an output terminal connected between the first and second diodes and a third terminal connected to the second polarity region of the second diode. The back to back diode switch is operable to generate a switching output at the output terminal in response to an input signal at the first terminal provided the input pulse duration is less than the storage and delay times of the first and second diodes. The inhibit circuit comprises an output connected to the third terminal of the back to back diode switch and at least a first input for receiving an inhibit circuit control signal, the inhibit circuit further comprising circuit means for selectively generating an inhibit signal on the inhibit circuit output in response to an appropriate input control signal, the inhibit signal acting to modify the output of the back to back diode switch.
    • 一种可抑制的开关电路,包括背对背二极管开关和连接到背对背二极管开关的禁止电路。 背对背二极管开关包括第一和第二二极管,每个二极管具有第一极性区域和第二极性区域,第一和第二二极管相互串联连接,第一二极管的第一极性区域连接到第一极性区域 的第二个二极管。 背对背二极管还包括连接到第一二极管的第二极性区域的第一输入端子,连接在第一和第二二极管之间的输出端子和连接到第二二极管的第二极性区域的第三端子。 背对背二极管开关可操作以响应于第一端子处的输入信号而在输出端产生开关输出,只要输入脉冲持续时间小于第一和第二二极管的存储和延迟时间。 禁止电路包括连接到背对背二极管开关的第三端子的输出端和用于接收禁止电路控制信号的至少第一输入端,禁止电路还包括电路装置,用于选择性地在禁止电路输出上产生禁止信号 响应于适当的输入控制信号,禁止信号用于修改背对背二极管开关的输出。
    • 9. 发明申请
    • INHIBITABLE SWITCHING CIRCUIT
    • 不可切换的开关电路
    • WO2005006553A2
    • 2005-01-20
    • PCT/GB2004/002771
    • 2004-06-28
    • LC INDUSTRIES LTDNEVILLE, Richard
    • NEVILLE, Richard
    • H03K17/74
    • H03K3/33H03K17/74
    • An inhibitable switching circuit comprising a back to back diode switch and an inhibit circuit connected to the back to back diode switch. The back to back diode switch comprises first and second diodes each having a first polarity region and a second polarity region, the first and second diodes being connected in series back to back with the first polarity region of the first diode connected to the first polarity region of the second diode. The back to back diode also comprises a first input terminal connected to the second polarity region of the first diode, an output terminal connected between the first and second diodes and a third terminal connected to the second polarity region of the second diode. The back to back diode switch is operable to generate a switching output at the output terminal in response to an input signal at the first terminal provided the input pulse duration is less than the storage and delay times of the first and second diodes. The inhibit circuit comprises an output connected to the third terminal of the back to back diode switch and at least a first input for receiving an inhibit circuit control signal, the inhibit circuit further comprising circuit means for selectively generating an inhibit signal on the inhibit circuit output in response to an appropriate input control signal, the inhibit signal acting to modify the output of the back to back diode switch.
    • 一种可抑制的开关电路,包括背对背二极管开关和连接到背对背二极管开关的禁止电路。 背对背二极管开关包括第一和第二二极管,每个二极管具有第一极性区域和第二极性区域,第一和第二二极管相互串联连接,第一二极管的第一极性区域连接到第一极性区域 的第二个二极管。 背对背二极管还包括连接到第一二极管的第二极性区域的第一输入端子,连接在第一和第二二极管之间的输出端子和连接到第二二极管的第二极性区域的第三端子。 背对背二极管开关可操作以响应于第一端子处的输入信号而在输出端产生开关输出,只要输入脉冲持续时间小于第一和第二二极管的存储和延迟时间。 禁止电路包括连接到背对背二极管开关的第三端子的输出端和用于接收禁止电路控制信号的至少第一输入端,禁止电路还包括电路装置,用于选择性地在禁止电路输出上产生禁止信号 响应于适当的输入控制信号,禁止信号用于修改背对背二极管开关的输出。
    • 10. 发明公开
    • Radar apparatus
    • 雷达装置
    • EP1545001A2
    • 2005-06-22
    • EP04029847.3
    • 2004-12-16
    • TDK Corporation
    • Ikeda, Hiroshi
    • H03K3/33H03K5/01H03K5/04
    • G01S7/32G01S13/0209H03K3/33
    • A radar apparatus (1) includes: a modulation signal generating circuit that generates a modulation signal (S TB ); a carrier wave generating circuit (4) that generates a carrier wave (S C ); a modulation circuit (6) that outputs a high frequency signal (S TR ) generated by modulating the carrier wave (S C ) using the modulation signal (S TB ) that has been inputted; a modulation signal extracting circuit (12) that extracts the modulation signal (S RB ) from the high frequency signal (S RR ) that has been inputted; and a detection signal generating circuit (15) that generates a detection signal (S d ), which can be used to measure a distance (D) to a measured object (21), based on the modulation signal (S RB ) extracted by the modulation signal extracting circuit (12) from a component, out of the high frequency signal (S RR ) that has been transmitted via a transmission antenna (7), the component having been reflected by the measured object (21) and received by a reception antenna (11). The modulation signal generating circuit includes a sine wave signal generating circuit (2) that generates a sine wave signal (S SI ) and a pulse signal generating circuit (3) that generates a modulation signal (S TB ) by converting the generated sine wave signal (S SI ) to a pulse signal using a step recovery diode (SRD).
    • 雷达装置(1)包括:生成调制信号(STB)的调制信号生成电路; 生成载波(SC)的载波生成电路(4); 调制电路(6),输出使用输入的调制信号(STB)调制载波(SC)而生成的高频信号(STR) 从已输入的高频信号(SRR)中提取调制信号(SRB)的调制信号提取电路(12) 以及检测信号生成电路(15),基于由调制信号(SRB)提取的调制信号(SRB),生成能够用于测量到被测物体(21)的距离(D)的检测信号(Sd) (21)所反射并由接收天线(11)接收的高频信号(SRR)中,从部件提取电路(12) )。 调制信号生成电路包括:生成正弦波信号(SSI)的正弦波信号生​​成电路(2);以及生成调制信号(STB)的脉冲信号生成电路(3) )使用阶跃恢复二极管(SRD)转换为脉冲信号。