varactor diode for Colpitts oscillator
Abstract: varactor diode pcb design varactor APPLICATION 9438 diode X10 schematic colpitts oscillator AN104 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

AN104
T231/T277
AN106
varactor diode for Colpitts oscillator
varactor diode pcb design
varactor APPLICATION
9438 diode
X10 schematic
colpitts oscillator
AN104
SMV12xx
MA2SV02
SMV1249

x band varactor diode
Abstract: varactor diode capacitance measurement varactor diode high frequency SMP1307027LF Microwave zero bias detector diodes Microwave detector diodes rf detector diode low power BRO38710A varactor diode datasheet SMP1345079LF
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 SC79 1.6 x 1.8 x 0.6 SMV1247079LF Medium capacitance & wide tuning range diode , capacitance & wide tuning range diode High capacitance 64 pF @ 0.3 V, 5.2 pF @ 4.7 V SC79 1.6 x 1.8 x , 2400 & low capacitance 6.4 pF @ 1 V, 1.75 pF @ 30 V General Abrupt Diode SMV1413079LF BUY

Original

PDF

BRO38710A
x band varactor diode
varactor diode capacitance measurement
varactor diode high frequency
SMP1307027LF
Microwave zero bias detector diodes
Microwave detector diodes
rf detector diode low power
BRO38710A
varactor diode datasheet
SMP1345079LF

High voltage diodes
Abstract: No abstract text available
Text: ) SMV1234040LF Part Number Low capacitance tuning varactor diode Product Description Low , SMV1232040LF 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 SMV1249079LF 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

BRO38711B
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 PN 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 PN 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 upscaling of the switching

Original

PDF

889A1,
17th20th,
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

CT35011
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 030v 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 onimp la ntatio n , high performance devices. An overall capacitance range of approximately 1pF to 200pF assures a broad

Original

PDF

50MHz)
OT23
ZC740
FMMV2101
ZC741
FMMV2102
ZC742
FMMV2103
ZC743
2N3819 spice model
varactor APPLICATION
construction of varactor diode
1GHz vco
bfr90 equivalent
030v 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 HI16081B2N2 spice Circulator varactor diode phase shifter HYB1 varactor diode SPICE model Design with PIN diode alpha
Text: capacitance hyperabrupt varactor diode in a SOD323 package. The SPICE model for the SMV1245011 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
HI16081B2N2
spice Circulator
varactor diode phase shifter
HYB1
varactor diode SPICE model
Design with PIN diode alpha

varactor diode capacitance range
Abstract: sc79 varactor diode Schottky diode low voltage varactor high power varactor diode datasheet varactor diode phase shifter SMV1413079LF SMP1307027LF SMS7621006LF
Text: 079LF Medium Capacitance , Wide Tuning Range Varactor Diode Medium Capacitance (31 pF @ 0.3 V, 2.6 pF @ 4.7 V) Hyperabrupt SC79 SMV1249079LF 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) SC79 SMV1413079LF Low Capacitance Tuning Varactor Diode Low Capacitance , Applications Package Part Number High Isolation Switching PIN Diode Feature Very Low Capacitance

Original

PDF

SMP1345040LF
SC79
SMP1340079LF
OT23
SMP1321005LF
SMV1249079LF
SMV1255079LF
varactor diode capacitance range
sc79
varactor diode
Schottky diode low voltage
varactor high power
varactor diode datasheet
varactor diode phase shifter
SMV1413079LF
SMP1307027LF
SMS7621006LF

2012  On the Compression and Blocking Distortion of SemiconductorBased Varactors
Abstract: No abstract text available
Text: semiconductor diode with given â relation is used as a varactor , its capacitance variation due to the Fig , (5) (6) (7) are the capacitance Taylor coefï¬cients 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 twotone 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 SMV1255003 SMV1763079 38.000MHz 12pf varactor
Text: capacitance of varactor diode (Cv) is a function of reversebias 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 = varactorpad capacitance , to the tank Cvar = variable capacitance of the varactor diode Cvp = varactorpad 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
SMV1255003
SMV1763079
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 180degree 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 voltagecontrolled oscillators purposes of varactor diode varactor diode datasheet 0603CS AN1004 MAX2360 SMV1255003 SMV1763079 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 voltagecontrolled oscillators
purposes of varactor diode
varactor diode datasheet
0603CS
AN1004
SMV1255003
SMV1763079
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
SMV1493011
SMV1235011
SMV1235
SMV1493011
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 , airspaced 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 ionimplantation 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 , Zerobias 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 SMV1235011 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
SMV1235011
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 SMV1265011
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 SMV1265011 varactor diode . This varactor diode was specifically developed at Skyworks for this application. The VCO design, based on , SMV1265011 varactors instead of a single varactor . This connection allows lower capacitance at high , 011 SPICE Model Figure 4 shows a SPICE model for the SMV1265011 varactor diode , defined for the Libra IV

Original

PDF

APN1006:
SMV1265011
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 â¢ Competitive cross to Toshiba 1SV280 varactor diode â¢ Ultrasmall SC , TUNING VARACTOR DIODE Table 3. Reverse Voltage vs Typical Capacitance VR (V) CT (pF) 0 8.81 , DATA SHEET SMV2025079LF: Surface Mount, Silicon Hyperabrupt Tuning Varactor Diode , , hyperabrupt tuning varactor diode excellent for use as a highQ tuning element in an RF Voltage Controlled , VARACTOR DIODE Table 1. SMV2025079LF Absolute Maximum Ratings Parameter Minimum Maximum Units

Original

PDF

SMV2025079LF:
1SV280
SC79
JSTD020)
SMV2025079LF
201431B

T277S8TR
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 0.2280.244 , of the 20 pF chip internal load capacitance in series with the varactor capacitance . All

Original

PDF

TSL021/026
TLS021/026
T277S8T
T277S8TR
T277S14T
14Pin
T277S14TR
T277DP
T277DW
T277S8TR
T277
tlsi t

2011  RF Power Insensitive Varactors
Abstract: No abstract text available
Text: other known varactor conï¬gurations and shows a maximum capacitance variation below 0.1% compared to 10 , Typically the effective capacitance of a quasistatic 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

