1996  loss tangent of FR4
Abstract: velocity of propagation of FR4 loss tangent of teflon FR4 microstrip stub AN905 AN971 C1996 hyperlynx FR4 epoxy dielectric constant 3.2
Text: Teflon has a lower Er thus low loss The lower the Er the faster the velocity of propagation (Equation 1 , Epoxy Glass ( FR4 ) 4 15 3 C Equation (1) V C e 0 0118 in ps (Speed of light) V e Velocity of , not tight is where the Er can change Within a single FR4 PCB a 10% variation of Er is not uncommon and this can alter the propagation velocity of the signal considerably This can lead to skew issues , stripline is longer than that of microstrip Typically microstrip has a delay of 147 ps in ( FR4 ) and

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1997  loss tangent of FR4
Abstract: FR4 dielectric constant 4.9 FR4 4.9 dielectric constant FR4 substrate epoxy dielectric constant 4.5 velocity of propagation of FR4 hyperlynx FR4 microstrip stub loss tangent of teflon AN905 AN971
Text: Velocity of Propagation Er = dieelectric constant PCB manufacturers publish a datasheet along with , not tight is where the Er can change. Within a single FR4 PCB a 10% variation of Er is not uncommon and this can alter the propagation velocity of the signal considerably. This can lead to skew issues , . The lower the Er, the faster the velocity of propagation (Equation 1), the faster the board. The key , through a stripline is longer than that of microstrip. Typically, microstrip has a delay of 147 ps/in ( FR4

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an012619
loss tangent of FR4
FR4 dielectric constant 4.9
FR4 4.9 dielectric constant
FR4 substrate epoxy dielectric constant 4.5
velocity of propagation of FR4
hyperlynx
FR4 microstrip stub
loss tangent of teflon
AN905
AN971

1996  velocity of propagation of FR4
Abstract: loss tangent of FR4 loss tangent of teflon FR4 epoxy dielectric constant 3.2 FR4 substrate with dielectric constant 4 hyperlynx C1996 AN971 loss factor of teflon AN905
Text: Teflon has a lower Er thus low loss The lower the Er the faster the velocity of propagation (Equation 1 , Epoxy Glass ( FR4 ) 4 15 3 C Equation (1) V C e 0 0118 in ps (Speed of light) V e Velocity of , not tight is where the Er can change Within a single FR4 PCB a 10% variation of Er is not uncommon and this can alter the propagation velocity of the signal considerably This can lead to skew issues , stripline is longer than that of microstrip Typically microstrip has a delay of 147 ps in ( FR4 ) and

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gusqsca
Abstract: FR4 dielectric constant at 2.4 Ghz velocity of propagation of FR4 54754A FR4 dielectric constant 4.6 RN55 CHCCC0910Bxx50R0x DG2040 inductances axial
Text: electrical ) divide the physical length of the transmission line ( l physical ) by the propagation velocity , propagation velocity ( v p ) Fig. 1. Maximum physical lengths of unterminated transmission lines. Page 2 , =4.6 and Zo=50 ohms, resulting in a velocity of propagation of 165m/s. REFERENCES [1] H. Johnson and , propagation delay of a signal trace or cable was small as compared to the rise time of the digital signal , since there is no propagation time between a signal and its reflection from the end of the line. A

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velocity of propagation of FR4
Abstract: transmission line theory AN22 AP524 SIGNAL PATH DESIGNER
Text: electromagnetic waves velocity of propagation . Velocity in free space is V0= 1/ (0µ0) = 300x106 m/s This is an , dependent on the surrounding medium. Propagation delay is the inverse of propagation velocity W On a , Propagation Delay of Electromagnic Fields in Various Media When discussing digital design , 1.8 Coax cable (75% velocity ) 129 2.3 FR4 PCB, outer trace 140 180 2.8 4.5 , then twice the propagation time Tp, or time of flight for the signals electromagnetic wave to reach

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PI6C673
velocity of propagation of FR4
transmission line theory
AN22
AP524
SIGNAL PATH DESIGNER

1998  velocity of propagation of FR4
Abstract: 11801B SD24
Text: Circuit Board (PCB) Test Methodology 6 3.1.2 Propagation Velocity Test Coupon General Guidelines Measurement of velocity or propagation delay is generally more difficult than impedance measurements. For , Impedance Test Coupon General Guidelines . 6 3.1.2 Propagation Velocity Test , lowcost FR4 dielectric PCBs. The combination of proper bus trace geometry and PCB test methodology are , impedance and propagation velocity . Increasing bus design speeds require improved impedance and coupling

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ParkwE10
00E10
00E09
20E09
40E09
60E09
80E09
velocity of propagation of FR4
11801B
SD24

1998  2041620400
Abstract: HewlettPackard transistor microwave velocity of propagation of FR4 Tektronix Type 453 11801A macom CITS500S SD24 11801B 3.81mm connector
Text: 6 3.1.2 Propagation Velocity Test Coupon General Guidelines Measurement of velocity or , Impedance Test Coupon General Guidelines.6 3.1.2 Propagation Velocity Test , Circuit Board (PCB) trace impedance and propagation velocity . By using the methodologies described , utilizing lowcost FR4 dielectric PCBs. The combination of proper bus trace geometry and PCB test , determining trace characteristic impedance and propagation velocity . Highspeed bus designs require improved

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2000  FR4 substrate epoxy dielectric constant 4.4
Abstract: FR4 dielectric constant 4.3 FR4 substrate with dielectric constant 4.4 FR4 substrate with dielectric constant 4 FR4 epoxy dielectric constant 4.2 AN905 F100K velocity of propagation of FR4
Text: Microstrip characteristic impedance is: PROPAGATION VELOCITY AND INTRINSIC DELAY The velocity of , propagation delay for microstrip is: The velocity of propagation for stripline is: Where: w = trace width , DELAY Where: Ct in pF, tr in ps and T d The velocity of propagation for microstrip is the same as , for microstrip, The velocity of propagation for stripline is the same as shown in Appendix A. The , calculates the per unitlength propagation delay of a wave traveling on an unloaded microstrip or stripline

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AN905
FR4 substrate epoxy dielectric constant 4.4
FR4 dielectric constant 4.3
FR4 substrate with dielectric constant 4.4
FR4 substrate with dielectric constant 4
FR4 epoxy dielectric constant 4.2
AN905
F100K
velocity of propagation of FR4

1999  AN905
Abstract: F100K FR4 dielectric constant 4.3 velocity of propagation of FR4 FR4 4.9 dielectric constant
Text: DELAY The velocity of propagation for microstrip is: If w 2h (maximum error 3%). Microstrip line width is: The intrinsic propagation delay for microstrip is: The velocity of propagation for , velocity of propagation for microstrip is the same as shown in Appendix A. Where: Ct in pF, tr in ps , : The velocity of propagation for stripline is the same as shown in Appendix A. The intrinsic , scale. INTRINSIC DELAY (SIDE TWO) This scale calculates the per unitlength propagation delay of a

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AN905
AN905
F100K
FR4 dielectric constant 4.3
velocity of propagation of FR4
FR4 4.9 dielectric constant

1997  FR4 dielectric constant 4.3
Abstract: 74376 microstrip AN905 F100K timedomain reflectometer AN011899
Text: DELAY The velocity of propagation for microstrip is: If w 2h (maximum error 3%). Microstrip line width is: The intrinsic propagation delay for microstrip is: The velocity of propagation for , INTRINSIC DELAY The velocity of propagation for microstrip is the same as shown in Appendix A. Where , delay for microstrip is: The velocity of propagation for stripline is the same as shown in Appendix , unitlength propagation delay of a wave traveling on an unloaded microstrip or stripline transmission line

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1998  FR4 dielectric constant 4.3
Abstract: FR4 microstrip stub FR4 epoxy dielectric constant 4.2 AN905 F100K AN0118991
Text: DELAY The velocity of propagation for microstrip is: If w 2h (maximum error 3%). Microstrip line width is: The intrinsic propagation delay for microstrip is: The velocity of propagation for , velocity of propagation for microstrip is the same as shown in Appendix A. Where: Ct in pF, tr in ps , : The velocity of propagation for stripline is the same as shown in Appendix A. The intrinsic , scale. INTRINSIC DELAY (SIDE TWO) This scale calculates the per unitlength propagation delay of a

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1998  AN011899
Abstract: FR4 dielectric constant 4.3 FR4 substrate with dielectric constant 4 AN905 F100K 28237
Text: velocity of propagation for microstrip is: If w 2h (maximum error 3%). Microstrip line width is: The intrinsic propagation delay for microstrip is: The velocity of propagation for stripline is , : and the intrinsic inductance is: PROPAGATION VELOCITY AND INTRINSIC DELAY The velocity of , unitlength propagation delay of a wave traveling on an unloaded microstrip or stripline transmission line , perunitlength propagation delay resulting from adding 4 pF/cm to a microstrip line having an unloaded Z0 of

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an011899
FR4 dielectric constant 4.3
FR4 substrate with dielectric constant 4
AN905
F100K
28237

1998  CITS500S
Abstract: GENERAL PCB BOARD HewlettPackard transistor microwave TOUCH CONTROL volume control 11801B SD24 velocity of propagation of FR4
Text: . Printed Circuit Board (PCB) Test Methodology 6 3.1.2 Propagation Velocity Test Coupon General Guidelines Measurement of velocity or propagation delay is generally more difficult than impedance , Impedance Test Coupon General Guidelines .6 3.1.2 Propagation Velocity , lowcost FR4 dielectric PCBs. The combination of proper bus trace geometry and PCB test methodology are , impedance and propagation velocity . Increasing bus design speeds require improved impedance and coupling

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AN1113
Abstract: seminar Applications Book Maxim LM9822 LM9820 H110 AN1113 AN1112 AN1112 ADC12D040 ADC10D040
Text: the material Since the index of refraction of FR4 material is about 4.5, propagation velocity of a , resulting in a propagation velocity of about 1.73 x 10 cm/sec, which corresponds to a propagation delay of , velocity is found to be v= Where c c = n µ c is the speed of light n is the index of , rate of propagation , then, would be the inverse of this, or 70.77 ps/cm, or 179.7 ps/inch. On an , 1.0) and that of the board material and is generally taken to be between 2.8 and 4 on FR4 10

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DIN63
Abstract: register with 7473 velocity of propagation of FR4
Text: routed to two or more outputs), any two outputs will exhibit less than 750ps of skew. In the synchronous , Switch connects any of the 64 inputs to any combination of 64 output channels, according to a user , each register corresponding to an output channel. The six bits are a binary numerical representation of , binary numerical representation of the output channel (ie.: 000000 corresponds to DOUT_0, 000001 , crosspoint is configured through a serial data port consisting of three pins: SERS, SERC, and SERD. SERS is

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VSC6464
64x64
500Mb/s
250Mb/s
750ps
208PQFP
VSC6464
208pin
G522190,
DIN63
register with 7473
velocity of propagation of FR4

Not Available
Abstract: No abstract text available
Text: operation (one input routed to two or more outputs), any two outputs will exhibit less than 750ps of skew , Crosspoint Switch VSC6464 Functional Description This Crosspoint Switch connects any of the 64 inputs to any combination of 64 output channels, according to a user defined bit pattern stored in each , output channel. The six bits are a binary numerical representation of the input channel selected (i.e , of the output channel (ie.: 000000 corresponds to DOUT_0, 000001 corresponds to D O U T_l, etc.).

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64x64
VSC6464
500Mb/s
250Mb/s
750ps
208PQFP
VSC6464
G522190,

G3887
Abstract: VSC6464
Text: ), any two outputs will exhibit less than 750ps of skew. In the synchronous mode, highspeed digital , Description This Crosspoint Switch connects any of the 64 inputs to any combination of 64 output channels , representation of the input channel selected (i.e.: 000000 corresponds to DIN_0, 000001 corresponds to DIN , six bits are a binary numerical representation of the output channel (ie.: 000000 corresponds to DOUT , port. The crosspoint is configured through a serial data port consisting of three pins: SERS, SERC

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64x64
VSC6464
500Mb/s
250Mb/s
750ps
208PQFP
VSC6464
G522190,
G3887

MEGTRON 6
Abstract: AN672
Text: conductor embedded within it as well as the speed of signal propagation on the transmission line. Lower , separation (S) of 15 mils. For FR4 , the total dielectric thickness is 18.7 mils (T+H1+H2). For the same trace , endtoend link design of a transceiver channel becomes increasingly critical to the overall performance of , this data rate, the UI is less than 36 ps. Any signal degradation of the channel can impact jitter margin and increase eye closure, resulting in increased bit error rates (BER). Two of the proposed

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AN672
100Gpbs
CEI25GLR
CEI28GVSR.
CEI28GVSR
MEGTRON 6
AN672

2000  rogers4350
Abstract: 633200 Rogers FR4 microstrip stub Super matched pair 633200 stripline pcb timedomain reflectometer FR4 dielectric constant prepreg 2125 DS90C031
Text: result! (Note that the velocity of propagation , v = c/r where c (the speed of light) = 0.2997mm/ps or , therefore can significantly decrease EMI, but has the penalty of slower propagation velocity (about 40 , More shielding can be achieved using microstrip without significantly impacting propagation velocity , assume that switching to LVDS (or any differential technology) will solve all of their noise problems , . Therefore, knowledge of ultrahighspeed board design and differential signal theory is required. Designing

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1995  FR4 dielectric constant 4.6
Abstract: RG6 ATTENUATION AN806 RG179 RG63 FR4 dielectric constant at 2.4 Ghz alpha industries catalog velocity of propagation of FR4
Text: Propagation µ = magnetic permeability of the conductor and Communication on short lengths of copper , variation in propagation is caused by two different phenomena: a change in dielectric constant of the cable , 100m of RG59 Cable Table 3. D21.5 Signal Propagation Rates By using an IFT (inverse Fourier , in propagation velocity versus frequency known as dispersion. 5 Using HOTLink with Long Copper , these pieces has a small effect on the total propagation rate of signals. Most of these effects are only

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1999  FR4 dielectric constant 4.6
Abstract: d215 RG63 william orr AN806 RG179
Text: . In reality, the calculation of velocity of propagation in Equation 12 is a simplified form that only , this distortion is a variation in propagation velocity versus frequency known as dispersion. 5 , Dielectric Constant 4.8 4.6 Each of these pieces has a small effect on the total propagation rate of , Constant of G10/ FR4 Circuit Board Laminate Other Dispersion Factors Good RFgrade cables are usually , components. The complex propagation constant consists of a real portion , representing the attenuation

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2002  AN806
Abstract: RG179 RG63 alpha industries catalog william orr RG6 ATTENUATION FR4 dielectric constant 4.6
Text: Signal Propagation = conductivity of the conductor Communication on short lengths of copper media , the cable is significantly different. The cause of this distortion is a variation in propagation , has a small effect on the total propagation rate of signals. Most of these effects are only observable , selective phase delay into the signal. Figure 8. Dielectric Constant of G10/ FR4 Circuit Board Laminate , different cable, frequency, and distance combinations. In reality, the calculation of velocity of

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1996  RG63
Abstract: FR4 dielectric constant 4.6 RG179 uP 6308 AP alpha industries catalog AN806
Text: different. The cause of this distortion is a variation in propagation velocity versus frequency known as , used for much longer signal transmission. In reality the calculation of velocity of propagation in , propagation D D Skin Effect Signal Propagation Communication on short lengths of copper media , Factors 4.2 4 1 10 100 1000 Frequency (MHz) Figure 8. Dielectric Constant of G10/ FR4 , g(w) + a ) jb + (R ) jwL)(G ) jwC) Eq. 13 The complex propagation constant consists of a real

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AN806,
RG63
FR4 dielectric constant 4.6
RG179
uP 6308 AP
alpha industries catalog
AN806

1996  rapide
Abstract: AN905 C1996 F100K
Text: APPENDIX A PROPAGATION VELOCITY AND INTRINSIC DELAY SCALE FORMULATIONS The velocity of propagation , 00 475fr a 0 67 ps cm The velocity of propagation for stripline is 1 ve 0fr The intrinsic , calculates the per unitlength propagation delay of a wave traveling on an unloaded microstrip or stripline , value of propagation delay which result from adding distributed capacitance to a line The capacitance , 10 APPENDIX C VALUES OF fr FOR COMMON MATERIALS Dielectric fr Epoxy Glass FR4

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2007  TMDS PCB design guidelines
Abstract: DVI TMDS PCB design guidelines DVI PCB design guidelines AN6064 FSHDMI311 DVI RECEIVER PCB design guidelines velocity of propagation of FR4 hdmi pcb layout
Text: Depending on the PCB stackup, the signal propagation velocity along typical FR4 , or similar substrate, is ~50ps/cm. Risetimes in HDMI are on the order of 100ps, so all traces of a single port should be , FSHDMI311 datasheet. Figure 1 shows the layout of the traces on the applications board (top signal  , on the opposite side of the board (layer 4). The FSHDMI311 features one HDMI input port and one , guide discusses the PCB placement and routing of all critical components in order of importance. In

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AN6064
FSHDMI311
FSHDMI311
TMDS PCB design guidelines
DVI TMDS PCB design guidelines
DVI PCB design guidelines
DVI RECEIVER PCB design guidelines
velocity of propagation of FR4
hdmi pcb layout
