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    BD18395EFV-M ROHM Semiconductor Buck LED Driver for Automotive Suitable for Matrix LED Control Visit ROHM Semiconductor
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    varactor diode for Colpitts oscillator

    Abstract: varactor diode pcb design varactor APPLICATION 9438 diode X10 schematic colpitts oscillator AN-104 SMV12xx MA2SV02 SMV1249
    Text: still using the same type of varactor diode . The third example shows how using a lower capacitance variation ratio varactor diode can enable you to achieve a smaller pulling range for the VCXO , hyperabrupt varactor diode such as the SMV12xx series from SkyworksTM, Inc. A smaller pulling range , say ±50 , total external load capacitance on the crystal and is essentially the capacitance of the varactor diode , used to apply a tuning voltage to the varactor diode to vary its capacitance , results in tuning the


    Original     		PDF AN-104 T231/T277 AN-106 varactor diode for Colpitts oscillator varactor diode pcb design varactor APPLICATION 9438 diode X10 schematic colpitts oscillator AN-104 SMV12xx MA2SV02 SMV1249
    x band varactor diode

    Abstract: varactor diode capacitance measurement varactor diode high frequency SMP1307-027LF Microwave zero bias detector diodes Microwave detector diodes rf detector diode low power BRO387-10A varactor diode datasheet SMP1345-079LF
    Text: Key Features Package (mm) Part Number Low capacitance tuning varactor diode Low , Low capacitance & high Q tuning varactor diode Low capacitance 7 pF @ 0.3 V, 0.7 pF @ 4.7 V, high Q 1500 SC-79 1.6 x 1.8 x 0.6 SMV1247-079LF Medium capacitance & wide tuning range diode , capacitance & wide tuning range diode High capacitance 64 pF @ 0.3 V, 5.2 pF @ 4.7 V SC-79 1.6 x 1.8 x , 2400 & low capacitance 6.4 pF @ 1 V, 1.75 pF @ 30 V General Abrupt Diode SMV1413-079LF BUY


    Original     		PDF BRO387-10A x band varactor diode varactor diode capacitance measurement varactor diode high frequency SMP1307-027LF Microwave zero bias detector diodes Microwave detector diodes rf detector diode low power BRO387-10A varactor diode datasheet SMP1345-079LF
    High voltage diodes

    Abstract: No abstract text available
    Text: ) SMV1234-040LF Part Number Low capacitance tuning varactor diode Product Description Low , SMV1232-040LF Wide band width tuning varactor diode High capacitance ratio at low reverse voltage , tuning varactor diode Low capacitance (7 pF @ 0.3 V, 0.7 pF @ 4.7 V), high Q (1500) hyperabrupt 0402 1.0 x 0.60 x 0.46 SMV1249-079LF Medium capacitance and wide tuning range diode Medium , capacitance and wide tuning range diode High capacitance (64 pF @ 0.3 V, 5.2 pF @ 4.7 V) hyperabrupt SC


    Original     		PDF BRO387-11B High voltage diodes
    2002 - Varactor Diodes

    Abstract: symbol of varactor diode and equivalent circuit varactor diode capacitance measurement varactor diode datasheet Dual Varactor Diode with Common Cathode reverse biasing a varactor diode varactor diode high frequency varactor diode q factor measurement "Varactor Diodes" hyperabrupt tuned oscillator
    Text: every 10 °C. Capacitance The absolute capacitance of the varactor diode contributes to the total , . Additionally, the change of capacitance of a varactor diode with the change of applied reverse bias voltage , APPLICATION NOTE Varactor Diodes Introduction A varactor diode is a P-N junction diode that changes its capacitance and the series resistance as the bias applied to the diode is varied. The , electrical circuit. A simple model of a packaged varactor diode is shown below: each with a junction


    Original     		PDF
    Colpitts VCO design

    Abstract: saw Colpitts circuit design Colpitts VCO Alpha Industries APN1003 PN Junction Diode varactor Colpitts APN1002 m6 transitor varactor diode for Colpitts oscillator
    Text: varactor loss. The varactor capacitance voltage characteristic has a crucial impact on phase noise as well. With a higher capacitance ratio, the varactor 's coupling to the resonator is reduced resulting , often a better choice than a lower capacitance ratio abrupt varactor having lower series resistance , fundamental properties of varactors. A varactor is a specially designed P-N junction diode , whose , ability of the varactor capacitance and is one of the most important parameters. The second is the value


    Original     		PDF APN1012 APN1005, APN1007, APN1001, APN1002, 8/99A Colpitts VCO design saw Colpitts circuit design Colpitts VCO Alpha Industries APN1003 PN Junction Diode varactor Colpitts APN1002 m6 transitor varactor diode for Colpitts oscillator
    Low Distortion Tunable RF Components, a Compound Semiconductor Opportunity

    Abstract: varactor
    Text: intuitively understood as follows. For a single varactor diode , increasing the tuning range for a constant , varactors [Fig. 1(b)] provide continuous capacitance tuning over a given range with only one control , quality factor and capacitance tuning range . Cfix_N VSN (a) (b) Fig. 1. (a) Schematic of , (Coff) in its OFF state. In order to achieve sufficient capacitance tuning range , the fixed capacitor , quality factor and capacitance tuning range . Note that lowering Ron through up-scaling of the switching


    Original     		PDF 889-A1, 17th-20th, Low Distortion Tunable RF Components, a Compound Semiconductor Opportunity varactor
    silicon epitaxial mesa diode

    Abstract: construction of varactor diode Parametric Varactor diodes
    Text: range of the diode . This is shown in Fig.8. The nominal junction capacitance is usually specified at 4 , ) where: C(V) K A V 0 n = capacitance of the diode at voltage V = constant = area of the , built in potential of the diode the capacitance - voltage slope exponent ( gam m a) ( 7 > 0.5 for a , resistance than a mesa diode for the same capacitance and breakdown voltage, and thus lower Q. All , varactor diode may be represented by the following, simplified equivalent circuit: At frequencies


    OCR Scan     		PDF CT3501-1 13GHz silicon epitaxial mesa diode construction of varactor diode Parametric Varactor diodes
    1997 - 2N3819 spice model

    Abstract: varactor APPLICATION construction of varactor diode 1GHz vco bfr90 equivalent 0-30v variable power supply BBY40 spice 2N3819 Application Note 2N3819 equivalent transistor 2N3819
    Text: the Varactor Diode . The capacitance , Cjv, is dependent upon the reverse bias voltage, the junction , characteristics of varactor diodes with particular reference to the Zetex range of variable capacitance diodes , Application Note 9 Issue 2 January 1996 Appendix Zetex Variable Capacitance Diode Product Range . The , extensive range of Variable Capacitance diodes that are pr oc e ss ed us i ng i on-imp la ntatio n , high performance devices. An overall capacitance range of approximately 1pF to 200pF assures a broad


    Original     		PDF 50MHz) OT-23 ZC740 FMMV2101 ZC741 FMMV2102 ZC742 FMMV2103 ZC743 2N3819 spice model varactor APPLICATION construction of varactor diode 1GHz vco bfr90 equivalent 0-30v variable power supply BBY40 spice 2N3819 Application Note 2N3819 equivalent transistor 2N3819
    The Nuts and Bolts of Tuning Varactors

    Abstract: construction of varactor diode varactor diode model in ADS pn junction diode
    Text: varactor diode performance, the types of silicon (Si) varactor diodes available and modeling of varactor , Figure 1, a practical tuning varactor pn junction diode consists of two layers, the P and the N layers , Anode P N Substrate N+ Cathode Note: NOT drawn to scale Figure 1 Varactor Diode Cross , + layer does not figure prominently in the electrical operation of the varactor diode . Page 1 of 15 C , + N P Figure 2 The Layers of a Varactor Diode In the immediate vicinity of the junction of the


    Original     		PDF
    variable phase shifter

    Abstract: HI1608 phase shifter phase shifter circulator HI1608-1B2N2 spice Circulator varactor diode phase shifter HYB-1 varactor diode SPICE model Design with PIN diode alpha
    Text: capacitance hyperabrupt varactor diode in a SOD-323 package. The SPICE model for the SMV1245-011 varactor , reflection coefficient from 0° (open circuit - zero varactor capacitance ) to -180° (short circuit - infinite varactor capacitance ). The reflection phase shift for different elementary circuits were , most loss at maximum capacitance (highest current in varactor path). However, the bias resistance, in parallel with the varactor , introduces the highest loss at low capacitance , below the 180° phase shift


    Original     		PDF APN1009 APN1004, 3/00A variable phase shifter HI1608 phase shifter phase shifter circulator HI1608-1B2N2 spice Circulator varactor diode phase shifter HYB-1 varactor diode SPICE model Design with PIN diode alpha
    varactor diode capacitance range

    Abstract: sc-79 varactor diode Schottky diode low voltage varactor high power varactor diode datasheet varactor diode phase shifter SMV1413-079LF SMP1307-027LF SMS7621-006LF
    Text: -079LF Medium Capacitance , Wide Tuning Range Varactor Diode Medium Capacitance (31 pF @ 0.3 V, 2.6 pF @ 4.7 V) Hyperabrupt SC-79 SMV1249-079LF High Capacitance , Wide Tuning Range Varactor Diode High , Abrupt Tuning Varactor Diode Low Resistance (0.35 ), High Q (2400), Low Capacitance (6.4 pF @ 1 V, 1.75 pF @ 30 V) SC-79 SMV1413-079LF Low Capacitance Tuning Varactor Diode Low Capacitance , Applications Package Part Number High Isolation Switching PIN Diode Feature Very Low Capacitance


    Original     		PDF SMP1345-040LF SC-79 SMP1340-079LF OT-23 SMP1321-005LF SMV1249-079LF SMV1255-079LF varactor diode capacitance range sc-79 varactor diode Schottky diode low voltage varactor high power varactor diode datasheet varactor diode phase shifter SMV1413-079LF SMP1307-027LF SMS7621-006LF
    2012 - On the Compression and Blocking Distortion of Semiconductor-Based Varactors

    Abstract: No abstract text available
    Text: semiconductor diode with given – relation is used as a varactor , its capacitance variation due to the Fig , (5) (6) (7) are the capacitance Taylor coefficients of each varactor diode with being the , interest, a phenomenon that appears as a variation of the effective varactor capacitance and in turn , capacitance of the varactor and being the reverse applied voltage) is excited by a two-tone RF voltage , varactor . From (1), the corresponding capacitance variation of varactor due to the RF signal is given by


    Original     		PDF
    0.1pf varactor

    Abstract: AN1004 7313 28 pin LS 7313 S 0805CS MAX2310 SMV1255-003 SMV1763-079 38.000MHz 12pf varactor
    Text: capacitance of varactor diode (Cv) is a function of reverse-bias voltage (see Appendix A for the varactor , lumped stray capacitance Ccoup = tank capacitor used to couple the varactor to the tank Cv = net variable capacitance of the varactor diode (including series inductance) Cvp = varactor-pad capacitance , to the tank Cvar = variable capacitance of the varactor diode Cvp = varactor-pad capacitance LS = , capacitance of the varactor diodes to the tank circuit. Ccent is used to center the tank's oscillation


    Original     		PDF MAX2310 85MHz, 190MHz, 210MHz. MAX2306/MAX2308/MAX2309 MAX2310/MAX2312/MAX2314/MAX2316 com/an530 MAX2306: MAX2308: MAX2309: 0.1pf varactor AN1004 7313 28 pin LS 7313 S 0805CS MAX2310 SMV1255-003 SMV1763-079 38.000MHz 12pf varactor
    2002 - Application Notes

    Abstract: Colpitts VCO design APN1012 APN1003 varactor diode for Colpitts oscillator Common collector configuration APN1002 coaxial resonator, skyworks m6 transitor working of colpitts oscillator
    Text: is not only a function of varactor loss. The varactor capacitance voltage characteristic has a crucial impact on phase noise as well. With a higher capacitance ratio, the varactor 's coupling to the , higher series resistance is often a better choice than a lower capacitance ratio abrupt varactor having , junction diode , whose capacitance changes significantly in reverse bias mode. There are three important , characterizes the tuning ability of the varactor capacitance and is one of the most important parameters. The


    Original     		PDF APN1012: Application Notes Colpitts VCO design APN1012 APN1003 varactor diode for Colpitts oscillator Common collector configuration APN1002 coaxial resonator, skyworks m6 transitor working of colpitts oscillator
    2002 - 200319B

    Abstract: varactor diode SPICE model variable phase shifter symbol of varactor diode and equivalent circuit PAD1 Spice phase shifter circulator varactor diode phase shifter 180 Degree hybrid varactor diode varactor diode high frequency
    Text: degrees. However, a continued increase of inductance reduces the effect of the varactor capacitance , degrees (open circuit ­ zero varactor capacitance ) to ­180 degrees (short circuit ­ infinite varactor , maximum capacitance (highest current in the varactor path). However, the bias resistance, in parallel with the varactor , introduces the highest loss at low capacitance , below the 180-degree phase shift , VR 1+ V J M + CP Where: CV = Total varactor capacitance (pF) CJO =


    Original     		PDF 200319B 200319B varactor diode SPICE model variable phase shifter symbol of varactor diode and equivalent circuit PAD1 Spice phase shifter circulator varactor diode phase shifter 180 Degree hybrid varactor diode varactor diode high frequency
    0.1pf varactor

    Abstract: Develop trimless voltage-controlled oscillators purposes of varactor diode varactor diode datasheet 0603CS AN1004 MAX2360 SMV1255-003 SMV1763-079 72BD
    Text: capacitor used to couple the varactor to the tank CV = net variable capacitance of the varactor diode , capacitance of the varactor diode Cvp = varactor pad capacitance LS = series inductance of the varactor R = , tuning range . Take the value for total tank capacitance , and use that for Cjo of the varactor . Remember , ) (see Figure 1). Ccoup provides DC block and couples the variable capacitance of the varactor diodes to , noise. Capacitance CV is the variable tuning component in the tank. The capacitance of the varactor


    Original     		PDF MAX2360 130MHz, 165MHz, 380MHz. MAX2360/MAX2362/MAX2364 MAX2360 com/an272 MAX2360: MAX2361: MAX2362: 0.1pf varactor Develop trimless voltage-controlled oscillators purposes of varactor diode varactor diode datasheet 0603CS AN1004 SMV1255-003 SMV1763-079 72BD
    varactor diode SPICE model

    Abstract: varactor diode spice model transit time extraction APN1004 varactor SMV1228 varactor diode parameter SMV1127 SMV1232 equivalent diode RF 302 varactor ghz
    Text: capacitance ratio between 0.5­2.5 V for each diode that is a typical voltage range for battery operated , Series Inductance D Junction Diode CP Parallel Capacitance Figure 1. Simplified Equivalent , junction capacitance (with VJ and M define nonlinear junction capacitance of the diode ) F 0 V 1 M Junction potential (with VJ and M define nonlinear junction capacitance of the diode ) Grading coefficient (with VJ and M define nonlinear junction capacitance of the diode ) - 0.5 EV 1.11 VJ


    Original     		PDF APN1004 SMV1493-011 SMV1235-011 SMV1235 SMV1493-011 SMV1235 6/99A varactor diode SPICE model varactor diode spice model transit time extraction APN1004 varactor SMV1228 varactor diode parameter SMV1127 SMV1232 equivalent diode RF 302 varactor ghz
    2006 - 2N3819 spice model

    Abstract: construction of varactor diode bfr90 equivalent ZMV830B 2N3819 S T A 933 ZMV836B ZC829A transistor 2N3819 2N3819 equivalent
    Text: Varactor Diode . The capacitance , Cjv, is dependent upon the reverse bias voltage, the junction area , air-spaced capacitor. Such a tuner can, using the large capacitance range of Hyperabrupt varactor diodes , Capacitance Diode Product Range . The tables presented within this Appendix illustrate the standard abrupt , extensive range of Variable Capacitance diodes that are processed using ion-implantation techniques to , performance devices. An overall capacitance range of approximately 1pF to 200pF assures a broad applications


    Original     		PDF ZC934A OD523 OT323 ZV950V2 ZMDC950 ZV951V2 ZMDC951 ZV952V2 ZMDC952 ZV953V2 2N3819 spice model construction of varactor diode bfr90 equivalent ZMV830B 2N3819 S T A 933 ZMV836B ZC829A transistor 2N3819 2N3819 equivalent
    2002 - symbol of varactor diode and equivalent circuit

    Abstract: varactor diode SPICE model varactor diode spice model transit time extraction APN1004 SMV1232 equivalent SMV1175 SMV1206 varactor diode notes Capacitance Varactor Diode SMV1129
    Text: for the capacitance ratio between 0.5­2.5 V for each diode that is a typical voltage range for , Inductance D Junction Diode CP Parallel Capacitance Figure 1. Simplified Equivalent Circuit of , Zero-bias junction capacitance (with VJ and M define nonlinear junction capacitance of the diode ) F 0 VJ Junction potential (with VJ and M define nonlinear junction capacitance of the diode ) V 1 M Grading coefficient (with VJ and M define nonlinear junction capacitance of the diode ) -


    Original     		PDF APN1004: symbol of varactor diode and equivalent circuit varactor diode SPICE model varactor diode spice model transit time extraction APN1004 SMV1232 equivalent SMV1175 SMV1206 varactor diode notes Capacitance Varactor Diode SMV1129
    2005 - Varactor SPICE Models for RF VCO Applications

    Abstract: 200315B symbol of varactor diode and equivalent circuit varactor diode SPICE model equivalent circuit diagram of varactor diode varactor spice varactor diode spice model transit time extraction varactor diode notes SMV1235-011 varactor ghz
    Text: components would not be important unless the varactor CJ Junction Capacitance Cathode RS Series Resistance LS Anode Series Inductance D Junction Diode CP Parallel Capacitance Figure 1 , junction capacitance of the diode . F 0 VJ Junction potential. With CJO and M, defines nonlinear junction capacitance of the diode . V 1 M Grading coefficient. With CJO and VJ, defines nonlinear junction capacitance of the diode . ­ 0.5 EG Energy gap. With XTI, helps define the


    Original     		PDF 200315B Varactor SPICE Models for RF VCO Applications 200315B symbol of varactor diode and equivalent circuit varactor diode SPICE model equivalent circuit diagram of varactor diode varactor spice varactor diode spice model transit time extraction varactor diode notes SMV1235-011 varactor ghz
    1999 - varactor diode for Colpitts oscillator

    Abstract: APN1006 VCO circuit diagram Tuner Applications APN1006 colpitts oscillator of application Colpitts circuit design loop gain of Colpitts VCO design 4 ghz NE68533 SMV1265 SMV1265-011
    Text: selection and interaction of an appropriate varactor diode for its resonator. This application note describes the design of a broadband Colpitts VCO that incorpo- rates the SMV1265-011 varactor diode . This varactor diode was specifically developed at Skyworks for this application. The VCO design, based on , SMV1265-011 varactors instead of a single varactor . This connection allows lower capacitance at high , -011 SPICE Model Figure 4 shows a SPICE model for the SMV1265-011 varactor diode , defined for the Libra IV


    Original     		PDF APN1006: SMV1265-011 varactor diode for Colpitts oscillator APN1006 VCO circuit diagram Tuner Applications APN1006 colpitts oscillator of application Colpitts circuit design loop gain of Colpitts VCO design 4 ghz NE68533 SMV1265
    2010 - Not Available

    Abstract: No abstract text available
    Text: V tuning range • Competitive cross to Toshiba 1SV280 varactor diode • Ultra-small SC , TUNING VARACTOR DIODE Table 3. Reverse Voltage vs Typical Capacitance VR (V) CT (pF) 0 8.81 , DATA SHEET SMV2025-079LF: Surface Mount, Silicon Hyperabrupt Tuning Varactor Diode , , hyperabrupt tuning varactor diode excellent for use as a high-Q tuning element in an RF Voltage Controlled , VARACTOR DIODE Table 1. SMV2025-079LF Absolute Maximum Ratings Parameter Minimum Maximum Units


    Original     		PDF SMV2025-079LF: 1SV280 SC-79 J-STD-020) SMV2025-079LF 201431B
    T277-S8-TR

    Abstract: T277 tlsi t
    Text: (millimeters) typical capacitance of the diode is 12.3 pF at 1 volt and 2.60 pf at 3 volts. The varactor , (millimeters) typical capacitance of the diode is 12.3 pF at 1 volt and 2.60 pf at 3 volts. The varactor , frequency range is ± 200 PPM (crystal and · Nominal Output Duty Cycle 45% to 55% varactor dependent). , Range depends on the design of the crystal and the capacitance loading of the printed 0.228-0.244 , of the 20 pF chip internal load capacitance in series with the varactor capacitance . All


    Original     		PDF TSL-021/026 TLS-021/026 T277-S8-T T277-S8-TR T277-S14-T 14-Pin T277-S14-TR T277-D-P T277-D-W T277-S8-TR T277 tlsi t
    2011 - RF Power Insensitive Varactors

    Abstract: No abstract text available
    Text: other known varactor configurations and shows a maximum capacitance variation below 0.1% compared to 10 , Typically the effective capacitance of a quasi-static continuously tunable varactor varies with the , functions and is the angular fundamental frequency. The capacitance variation of the varactor due to the RF , rience high impedance, i.e., the AC impedance of the varactor diode itself at fundamental and harmonic , outperforms the DFVS under reduced RF voltage swings where the effective tuning range of both varactor


    Original     		PDF
    silicon epitaxial mesa diode

    Abstract: gunn diode datasheet varactor Gunn diode gunn diode oscillator
    Text: If the capacitor is replaced by a varactor whose junction capacitance is a function of voltage, then , (V) = d Cj dV C j V 0 ( ) where CJ0 is the varactor capacitance at zero volts. This defines the sensitivity for any varactor diode as a function of reverse voltage. For , capacitance in series with the tuning diode or a capacitance in parallel. Both types of parasitic capacitance , range .) For series capacitance , Cs, the following table shows the effect of several parasitic


    Original     		PDF
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