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RF transformer turn ratio 12
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12v to 220v step up transformerAbstract: 220V ferrite core transformer switch ON and OFF alternately. The turn ratio of Transformer (n/m) is 2/1 for this application. For an , overcome by selection of a specialized core. Minimizing the transformer turn ratio to 1:2 or 1:3 was , Turn Ratio, which means 1:4 Impedance ratio of the transformer. www.microsemi.com Rev. B, 9/9 , technical difficulty for this push pull RF application is the transformer. The high current, high frequency , transformer T1 have a good RF ground. Figure 7 illustrates the capacitor location to T1 and the red circle 
Microsemi Original 


220V ferrite core transformer free dataAbstract: rf transformer switch ON and OFF alternately. The turn ratio of Transformer (n/m) is 2/1 for this application. For an , overcome by selection of a specialized core. Minimizing the transformer turn ratio to 1:2 or 1:3 was , technical difficulty for this push pull RF application is the transformer. The high current, high frequency , , turn on MOSFET PS_2 and slowly increase to 40V. iii. While monitoring the RF power and waveform from , . To turn off, reverse the turn on procedure. If the RF output waveform (Vds) and/or RF power level 
Microsemi Original 


mosfet 5kw high power rfAbstract: 13.56Mhz class e power amplifier phase causing Q1 and Q2 to switch ON and OFF alternately. The turn ratio of Transformer (n/m) is 2/1 , . Minimizing the transformer turn ratio to 1:2 or 1:3 was required to avoid power loss. Refer to the following , Turn Ratio, which means 1:4 Impedance ratio of the transformer. 28/28 http://www.microsemi.com , are shown in Fig.2. A key technical difficulty for this push pull RF application is the transformer , primary winding of power transformer T1 have a good RF ground. Fig 7 illustrates the capacitor location 
Microsemi Original 


43a Hall Effect Magnetic SensorsAbstract: two transistor forward transformer transitions and turn off the active MOSFET before the transformer pulse switches. This is , Switching frequency: 250KHz Transformer turns ratio: 5:1 Primary switches: IRFS31N20D (200V, 30Vgs, 82mohm , current. Since the forward converter has a transformer ratio of 5:1 and a low input voltage of 36Vdc, the , is the time by which gate turn off leads the next transformer rising edge; tpf is the prefire time by which the opposite gate turn on leads the transformer rising edge; and tdt is the dead time 
International Rectifier Original 

AN1041 43a Hall Effect Magnetic Sensors two transistor forward 43a hall sensor 43a Hall effect pin out ic ir2110 IR2110 equivalent IR1176 IR1175 
power supply switching ka1m0565rAbstract: KA1m0565r equivalent transformer coil voltage at turn off. This occurs because the current remaining in the inductor during the , recovery diode; reduce the MOSFET's gate operating current at turn on; or, increase the transformer , , and the capacitance of the transformer windings. At turn on, the total equivalent capacitor , once turn on starts. Duty ratio control with a minimum turn on time is implemented through a non , considerations VD The turns ratio of an SMPS's flyback converter transformer is an important variable. It 
Fairchild Semiconductor Original 

power supply switching ka1m0565r KA1m0565r equivalent KA5M0380R KA34063 KA5M0380R application note Fairchild AN4105 AN4105 
pc817 fairchildAbstract: smps transformer Design transformer coil voltage at turn off. This occurs because the current remaining in the inductor during the , recovery diode; reduce the MOSFET's gate operating current at turn on; or, increase the transformer , , and the capacitance of the transformer windings. At turn on, the total equivalent capacitor , once turn on starts. Duty ratio control with a minimum turn on time is implemented through a non , considerations VD The turns ratio of an SMPS's flyback converter transformer is an important variable. It 
Fairchild Semiconductor Original 

pc817 fairchild smps transformer Design smps transformer pc817 Ringing Choke Converter isolated feedback flyback converter switching power supply transformer construction 
AN4105Abstract: SMPS TRANSFORMER , and the capacitance of the transformer windings. At turn on, the total equivalent capacitor , once turn on starts. Duty ratio control with a minimum turn on time is implemented through a non , considerations VD The turns ratio of an SMPS's flyback converter transformer is an important variable. It , sf o rm e r IP IP The input to output voltage ratio of an ideal transformer is directly , winding. Since n = Vp/Vs, and an ideal transformer has no loss, the current ratio is inversely 
Fairchild Semiconductor Original 

sps transistor KA3842 SMPS Transformer 12V ka3842b equivalent PC817 opto 4 pin 
pc817 Ringing Choke ConverterAbstract: ic ka3842b transformer coil voltage at turn off. This occurs because the current remaining in the inductor during the , MOSFET's gate operating current at turn on; or, increase the transformer leakage inductance. (2) The , transformer windings. At turn on, the total equivalent capacitor discharges through the MOSFET. (3) As shown , turn on starts. Duty ratio control with a minimum turn on time is implemented through a non linear , considerations VD The turns ratio of an SMPS's flyback converter transformer is an important variable. It 
Fairchild Semiconductor Original 

ic ka3842b switch mode power supply ka3842b opto isolator pc817 ideal transformer 12v electronic transformer RECTIFIER 
ic ka3842bAbstract: KA5M0365R application note to reset. This is due to low transformer coil voltage at turn off. This occurs because the current , , the transformer average voltage at turn off is proportional to the output voltage. For a flyback , , and the capacitance of the transformer windings. At turn on, the total equivalent capacitor , once turn on starts. Duty ratio control with a minimum turn on time is implemented through a non , voltage ratio of an ideal transformer is directly proportional to the turns ratio. This is the ratio of 
Fairchild Semiconductor Original 

KA5M0365R application note KA5L0380R. Application KA3842B KA1L0380B KA3S0680 KA1M0565R FS6S0965RC FS6S1265RB FS6S1565RB FS7M0880 FS8S0765RC 
T92314Abstract: nonisolated flyback converter used. (12) where VREF is fixed to 0.14V internally. Transformer turn ratio, NP : NS is 3.8 : 1 , current through the transformer. Also, (1) where n is the turn ratio of LP and LS. Figure 3 shows the , suggested. So, RAC = 132V / 0.88mA = 150K is recommended. TRANSFORMER TURN RATIO The transformer winding , ratio. The transformer turn ratio must be selected in between the bounds. If the maximum reverse voltage of DOUT (VDOUT(MAX) is 100V. the minimum transformer turn ratio can be calculated with the equation 
Texas Instruments Original 

T92314 nonisolated flyback converter tps92314 t9231 TPS92314ADR TPS92314 SNVS856A TPS92314A E26/27 PAR30/38 TPS92314/14A 
Abstract: current and transformer turn ratio, the equation in below can be used. (12) where VREF is fixed to , the secondary current through the transformer. Also, (1) where n is the turn ratio of LP and LS , VZCDPEAK (Figure 3), which is scalable by the turn ratio of the transformer and the resistor divider , recommended. TRANSFORMER TURN RATIO The transformer winding turn ratio, n is governed by the MOSFET Q1 , the power MOSFET rating provide the upper bound of the turn ratio. The transformer turn ratio must be 
Texas Instruments Original 

ISO/TS16949 
T92314Abstract: TPS92314 transformer turn ratio, the equation in below can be used. (12) where VREF is fixed to 0.14V internally , the transformer. Also, (1) where n is the turn ratio of LP and LS. Figure 14 shows the typical , VZCDPEAK (Figure 14), which is scalable by the turn ratio of the transformer and the resistor divider , recommended. TRANSFORMER TURN RATIO The transformer winding turn ratio, n is governed by the MOSFET Q1 maximum , MOSFET rating provide the upper bound of the turn ratio. The transformer turn ratio must be selected in 
Texas Instruments Original 


Abstract: the transformer. Also, (1) where n is the turn ratio of LP and LS. Figure 14 shows the typical , reaches its maximum VZCDPEAK (Figure 14), which is scalable by the turn ratio of the transformer and the , / 0.88mA = 150Kâ"¦ is recommended. TRANSFORMER TURN RATIO The transformer winding turn ratio, n is , transformer turn ratio must be selected in between the bounds. If the maximum reverse voltage of DOUT (VDOUT(MAX) is 100V. the minimum transformer turn ratio can be calculated with the equation in below. (5 
Texas Instruments Original 


T92314Abstract: transformer turn ratio, the equation in below can be used. where · VREF is fixed to 0.14V internally. (12 , by the turn ratio of the transformer and the resistor divider network RAUX1 and RAUX2. It is , . TRANSFORMER TURN RATIO The transformer winding turn ratio, n is governed by the MOSFET Q1 maximum rated , rating provide the upper bound of the turn ratio. The transformer turn ratio must be selected in between , ) As a rule of thumb, lower turn ratio of transformer can provide a better line regulation and lower 
Texas Instruments Original 

SNVS856B 
ticomel transformerAbstract: thyristor trigger pulse transformer 2502 Description Turn Ratio Rated Voltage VoltageTime Integral Pulse Rise Time Mounting Pulse , Voltagetime Integral Us x Tw Pulse Rise Time Turn Ratio Terminal technic Weight Material: Housing ,  SCHURTERStockCheck  eStore Turn Ratio Tr [s] Iign [A] Uisol [kV] Us x Tw [Vs] Ls [mH] 1:1 1 , ] Weight [g] RS [] Iign [A] Turn Ratio RP [] The specifications, descriptions and , Pulse Rise Time Turn Ratio Terminal technic Weight Material: Housing Sealing Compound Dimensions 
SCHURTER Original 

ticomel transformer thyristor trigger pulse transformer 2502 electronic passive components catalog znr V 2062 varistor Transistors smd mark code SCR TN 22 1500 
GranbergAbstract: motorola application note AN758 , increasing to 10 12 dB at 1.6 MHz. This compensates the gain variations of the RF transistors over the , example, in the 180 Watt version the input transformer is of 16:1 impedance ratio, making the secondary , transformer having a 25:1 impedance ratio to a 50 interface, L= 2 = 0.20 µH. 6.28 x 1.6 It should , decreases the loss in RF voltage between the collectors and the transformer primary, where every 100 mV , turn through toroid of T2. T1 9:1 (3:1 turns ratio) 9:1 (3:1 turns ratio) 16:1 (4:1 turns 
Motorola Original 

AN762 MRF460 MRF458 Granberg motorola application note AN758 stackpole 57184524b Stackpole 573238 AN762 RF AMPLIFIER t3c6c AN762/D MRF455 MRF453 MRF454 
909 step down transformerAbstract: step down transformer 909 TRANSFORMER TURNS RATIO TRANSFORMER TURNS RATIO TPC 21. MTPR vs. Transformer Turns Ratio TPC 24. SFDR vs. Transformer Turns Ratio 8 REV. 0 AD8391 30 30 SINGLEENDED DISTORTION dBc , avoided. VSUPPLY 12 12.5 13 14 15 125 127 129 126 129 131 Transformer Selection , , a stepup transformer with turns ratio of 1:2 is adequate for most applications. If the modem , through a stepup transformer with a 1:2 turns ratio. R45 and R46 are back termination or line matching 
Analog Devices Original 

AD9632 AD8138 AD8391AR 909 step down transformer step down transformer 909 step down transformer 909 transformer 909 turns ratio schematic adsl modem board schematic circuit diagram adsl modem board AD9632AR AD8138AR C02719 
FV02R80Abstract: TTRN0530H specified in product datasheet. · The target output voltage is set by the turn ratio of transformer. The , VOUT(n) (2) Where: · TOFF(n)  OFF time at n cycle switching · N  Turn ratio of transformer · , photo flash capacitor at charge completion · N  Turn ratio of transformer · VFULL  Charge completion , Determine Turn Ratio and Primary Inductance Before starting the design of transformer, the target output , V f V _ FULL (4) Where: · N  Turn ratio of transformer · Vf  Forward voltage of FRD · 
Texas Instruments Original 

FV02R80 TTRN0530H Lamps FLASH TUBE xenon TTRN0530H TTRN0530 transformer photo flash SLVA330 TPS65573 
Stackpole 57932211Abstract: EB27 motorola Application Information #530. 12 3. PitzalisCouse: Broadband Transformer Design for RF Transistor , together at each end. Transformer T4 is a 1:4 ratio unbalanced to balanced unit with three separate , D2  1N4997 J1, J2  BNC connectors Figure 12. Schematic Diagram of 12.5 V Amplifier 6 RF , amplifier stage. This data was taken with a 9:1 ratio transformer connected between 50 source and the , of a 4:1 ratio transformer (aA) and a 1:1 balun (bB), where the balun performs the voltage 
Motorola Original 

Stackpole 57932211 EB27 motorola 2N6368 ecom2989 Design of H. F. Wideband Power Transformers AN593 Broadband Linear Power Amplifiers Using PushPull Transistors AN593/D AN593 
pcb 200W audio amplifierAbstract: Payton 50863 used a transformer manufactured from Payton part number 50863, which had a turn's ratio of 1.4 and a , power requirements a current sense transformer with a turn's ratio of (acs) of 1:50 was used in the , SLUA312  May 2004 2 Power Stage Design 2.1 Transformer Turns Ratio (T3 and T4) The first step is to calculate the required transformer turns ratio required for the design. The following equations are used to calculate the approximate transformer turns ratio. With a maximum duty cycle of 0.5 
Texas Instruments Original 

UCC28221 HPA035 pcb 200W audio amplifier Payton 50863 Payton 200w computer power supply Circuit diagram NS 200w audio amplifier circuit diagram 100v 200W AUDIO AMPLIFIER CIRCUIT DIAGRAM 
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