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  • CR4 - Thread: Nokia Adapter AC input and DC output
    Hi Jay, connecting 110vac to a 230vac transformer would not burn out but it would output a � � lets say the output from the 240v transformer is 12v when operated on the � � your output = 12 ÷ 240 x 110 = 5.5 v .
  • CR4 - Thread: Diodes - 24 VAC to 9 VDC
    The 8.4 v zener regulating from 9Vac 250 MW rating would do. If you use an LM317 you would need a 12vac supply a 240 or 120v to 12v transformer is probably more common than 24v to 9v transformer and the smallest one you can find will do the job 6VA rating good quality �
  • electronic transformer Vs "electronic" - Self Help Forums
    I have a 12v light fitting with 4 lights. The current for this is supplied thru' a large heavy toroidal transformer enclosed in a metal base unit which takes an input of 240V and has an output of 11.3V of up to 150va.
  • CR4 - Thread: 12v to 240v step up transformers.
    Re: 12v to 240v step up transformers . Can you go 12 V to 120V then 120V to 240 V?
  • http://ajbasweb.com/old/ajbas/2013/March/465-474.pdf
    The power supply supplies 240V AC to the machine via a standard three-pin plug. A step down transformer and a switching supply are used to step down the high voltage. � the components used except for the motor driver which requires a 12-0- 12V two-phase AC.
  • Innovative procedure for measurement of losses of transformers supplying nonsinusoidal loads
    � low voltage side of the two 25kVA, 24OVf72OOV single- phase transformers) are 9.72V and 1.41A, respectively (@ VI = 240V , where the data are measured via the back- to - back approach and, therefore � � are those of two transformers in series). Full scale 240viav 24ov/ 12v 1OOA 1OOA .
  • E-T-A Circuit Protection and Control - 3120-F321-P7T1-W01D-3A - Circuit Protection - Circuit Breaker - Allied Electronics
    Power Supply;AC-DC;5V@7A,12V@3A,- 12V @2.5A;90-264V In;Open Frame;Pnl Mnt;GLC65 Power Supplies > AC Power Supply/Variable Transformer Transformer, Var.;U;0 to 240V Vo;3.5A Io;0.98kVA;240V Vi;Knob;CW/CCW .
  • Keystone Electronics - 1637 - Hardware - Standoff - Allied Electronics
    Power Supply;AC-DC;5V@7A,12V@3A,- 12V @2.5A;90-264V In;Open Frame;Pnl Mnt;GLC65 Power Supplies > AC Power Supply/Variable Transformer Transformer, Var.;U;0 to 240V Vo;3.5A Io;0.98kVA;240V Vi;Knob;CW/CCW .
  • http://search.abb.com/library/download.aspx?documentid=1sdc200006d0207&languagecode=en&documentpartid=&action=launch
    � most important test results in the unit itself, and to send a report to the personal computer � � range: � protection functions L, S, I, � G protection function with internal transformer , � G protection � The unit can also test the following protections of PR122 equipped with PR120/ V : � overvoltage protection � The SACE PR010/T unit is portable and runs on rechargeable batteries and/or with an external power supply (always supplied) with a rated voltage of 100- 240 V AC/ 12V DC.
  • http://search.abb.com/library/download.aspx?documentid=1sdc200008d0202&languagecode=en&documentpartid=&action=launch
    � most important test results in the unit itself, and to send a report to the personal computer � � range: ? protection functions L, S, I, ? G protection function with internal transformer , ? G protection � The unit can also test the following protections of PR122 equipped with PR120/ V : ? overvoltage protection � The PR010/T unit is portable and runs on rechargeable batteries and/or with an external power supply (always supplied) with a rated voltage of 100- 240 V AC/ 12V DC.
  • Power, packaging, and multiplexing considerations in an acoustic travel-time current meter
    During low power sleep, the switching regulator is stopped, the clock to the pP is stopped and the voltage is reduced to 3.3 volts for a standby current of 240 pa includingthe compactflash. � measurement and this was awkward since the battery voltage would start above 12 v permitting a buck � The+ 12v power was derived from the +5v with a second switchingregulator of a low noise design using a push-pull transformer and full wave rectifier.
  • A battery-based constant current source (Bb-CCS) for biomedical applications
    The 240 volts (r.m.s.) mains is stepped down to 24 volt (r.m.s.) and is fed to the BRC connected to a the filter- regulator-filter (FRF) block (Fig. 4). As per the requirement, the different dc voltage levels (in �5 V dc or �9 V or �12 V dc) are obtained from the battery output (� 12V dc supply) using voltage divider circuits. An isolation transformer (1:1) is also used to isolate the imaging object from the electric power �
  • http://eprints.hud.ac.uk/4663/1/DX183666.pdf
    These transformers can also be used to attenuate the resolver signals if required. � rack, and as a result the E.C.S. can only hold up to 5 resolver modules. The power supply module accepts a nominal input voltage of either 11OV or 240V a.c., and supplies 5V, 12V and - 12V d.c. The power supply is of the switched mode type, and is able to supply the required current �
  • A Standardized Power Approach for the Univac Data Processing Product Line - Present and Future
    This single PCB of 3" maximum component height, contains all the circuitry of a SUPS-4 bulk, daughter card and power switch section plus a multiple secondary power transformer producing, when rectified and filtered, +5V, + 12V , -12V and +24V outputs. � supplies are also of a single PCB design with all components from ac to output do occupying � These units owe their extremely small volume to their 50 KHz, half bridge operation and will operate from both 200- 240V (high range) and 100-120V (low range) single phase ac sources over an input voltage variation of 66% to 106%.