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Ahmet UZUN

Precison Power Supply, 0-40V/2A (0-40V/2A Güç Kaynağı) - 0 views

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    " Precision Power Supply © 1986 Doug Bedrosian and 2010 Tony van Roon "This Precision Power Supply is a nice addition on your workbench as primary, or in my case, a supplementary power supply. With zero to 40V and 2A with adjustable current limiting it will surely gets lots of use on your bench. On average the most amperage for a power supply someone needs is around two or three amps. The sensitivity for current limiting is fully adjustable. Have fun building!" Introduction: Test instruments are considered to be some of the most useful tools available when constructing a project. They are also considered to be the most expensive tools one could buy. For instance, a power supply of any quality and usefulness can range from several hundred dollars to several thousand dollars. The alternative to buying a power supply is to build one. The power supply in this article has a voltage range from 0 to 40V and a current range from 0 to 2 amps with current limiting set by the user. The quality of the supply is determined by the time and care the builder takes while constructing it. How It Works: The power supply is best understood when divided into separate parts. The first parts to look at are the two power supply sections. The output supply section consists of XFMR1, Br1, C1, and C2. They supply the appropriate voltage and current required at the output. The IC supply consists of XFMR2, Br2, and C3. The two power supply sections must be separate from each other because a floating ground is required for IC1. The next section is the voltage control. RV1 and R2 determine the operating point of a constant current source out of pin 3 of IC1. By varying RV1 the maximum output voltage will be set. Pins 8 and 9 are inputs to a high gain differential amplifier contained in IC1. By adjusting potentiometer P1 the voltage at pin 8 will vary; this will cause the voltage at the output to change until it is equal to the voltage at pin 8. Due to the high gain of the differenti
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    Precision Power Supply © 1986 Doug Bedrosian and 2010 Tony van Roon "This Precision Power Supply is a nice addition on your workbench as primary, or in my case, a supplementary power supply. With zero to 40V and 2A with adjustable current limiting it will surely gets lots of use on your bench. On average the most amperage for a power supply someone needs is around two or three amps. The sensitivity for current limiting is fully adjustable. Have fun building!" Introduction: Test instruments are considered to be some of the most useful tools available when constructing a project. They are also considered to be the most expensive tools one could buy. For instance, a power supply of any quality and usefulness can range from several hundred dollars to several thousand dollars. The alternative to buying a power supply is to build one. The power supply in this article has a voltage range from 0 to 40V and a current range from 0 to 2 amps with current limiting set by the user. The quality of the supply is determined by the time and care the builder takes while constructing it. How It Works: The power supply is best understood when divided into separate parts. The first parts to look at are the two power supply sections. The output supply section consists of XFMR1, Br1, C1, and C2. They supply the appropriate voltage and current required at the output. The IC supply consists of XFMR2, Br2, and C3. The two power supply sections must be separate from each other because a floating ground is required for IC1. The next section is the voltage control. RV1 and R2 determine the operating point of a constant current source out of pin 3 of IC1. By varying RV1 the maximum output voltage will be set. Pins 8 and 9 are inputs to a high gain differential amplifier contained in IC1. By adjusting potentiometer P1 the voltage at pin 8 will vary; this will cause the voltage at the output to change until it is equal to the voltage at pin 8. Due to the
Ahmet UZUN

1W FM Transmitter Circuit Diagram - 0 views

  • Components values: T1 = T2 = T3 = BF199 T4 = 2N4427, BLX65, 2N3866, 2N3553 L1 = rf choke (20 turns, 0.2mm on ferrite core, 0.3mm) L2 = 4 t, 0.7mm, 4mm L3 = 6 t, 0.8mm, 6mm, at first turn from T3 L4 = 10 t, 0.2mm over ferrite core L5 = 7 t, 0.8mm, 6mm L6 = 4 t, 1mm, 8mm, 10mm long This 1 watt fm transmitter has been tested and is working as mentioned in this article. If you use replacement components the performances can vary a lot.
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    1W FM Transmitter Circuit Diagram
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    1W FM Transmitter Circuit Diagram
Ahmet UZUN

1500W power amplifier circuit diagram (1500 W anfi devresi ) - 1 views

  • This is a very high 1500W power amplifier circuit diagram by Rod Elliott. The circuit is built using 10 pairs of power transistor MJ15024 and MJ15025 (or MJ21193/MJ21194), then it will use 20 pieces of power transistor for final amplification. With very high power audio output, then of course it will need power supply with high power output. This amplifier require dual output power supply 130V.
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    1500W power amplifier circuit diagram (1500 W anfi devresi )
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    1500W power amplifier circuit diagram (1500 W anfi devresi )
Ahmet UZUN

Apple Iphone 3G,3GS, iPad Parts Datasheets (Component Schematic Diagram and Info) - 0 views

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    Apple Iphone 3G,3GS, iPad Parts Datasheets (Component Schematic Diagram and Info)
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    Apple Iphone 3G,3GS, iPad Parts Datasheets (Component Schematic Diagram and Info)
Ahmet UZUN

Rockchips RKnano circuit diagram - 0 views

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    Rockchips RKnano circuit diagram
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    Rockchips RKnano circuit diagram
Ahmet UZUN

Samsung-chasis-K15A-TV-Service-Manual - 0 views

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    Samsung-chasis-K15A-TV-Service-Manual pdf chasis K15A. The service manual may used for Samsung TV model: CT331HBZX ; CT501EBZX ; CT331EBZX ; CT501HX ; CT331HBX ; CT5066BZX ; CT331HX ; CT5038ZX ; CT3366BZX and CT3338ZX. Table of Contents: * Precautions * Specifications * Disassembly and Reassembly * Alignment and Adjustments * Troubleshooting * Exploded Views and Parts List * Electric Parts List * Block Diagram * PCB Layout * Wiring Diagrams * Schematic Diagrams
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    Samsung-chasis-K15A-TV-Service-Manual pdf
Ahmet UZUN

0-30 vdc stabılızed power supply wıth current control 0.002-3 a - 0 views

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    "0-30 VDC STABILIZED POWER SUPPLY WITH CURRENT CONTROL 0.002-3 A 0-30 VDC STABİLİZE GÜÇ KAYNAĞI İLE AKIM KONTROL,002-3 A Orijinal görüntüsünü görmek için buraya tıklayın. 925x541 px. General Description This is a high quality power supply with a continuously variable stabilised output adjustable at any value between 0 and 30VDC. The circuit also incorporates an electronic output current limiter that effectively controls the output current from a few milliamperes (2 mA) to the maximum output of three amperes that the circuit can deliver. This feature makes this power supply indispensable in the experimenters laboratory as it is possible to limit the current to the typical maximum that a circuit under test may require, and power it up then, without any fear that it may be damaged if something goes wrong. There is also a visual indication that the current limiter is in operation so that you can see at a glance that your circuit is exceeding or not its preset limits. Technical Specifications - Characteristics Input Voltage: ................ 24 VAC Input Current: ................ 3 A (max) Output Voltage: ............. 0-30 V adjustable Output Current: ............. 2 mA-3 A adjustable Output Voltage Ripple: . 0.01 % maximum FEATURES - Reduced dimensions, easy construction, simple operation. - Output voltage easily adjustable. - Output current limiting with visual indication. - Complete protection of the supplied device against over loads and malfunction. How it Works To start with, there is a step-down mains transformer with a secondary winding rated at 24 V/3 A, which is connected across the input points of the circuit at pins 1 & 2. (the quality of the supplies output will be directly proportional to the quality of the transformer). The AC voltage of the transformers secondary winding is rectified by the bridge formed by the four diodes D1-D4. The DC voltage taken across the output of the bridge is smoothed by the filter formed by the
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    0-30 vdc stabılızed power supply wıth current control 0.002-3 a
Ahmet UZUN

Remote Tester Circuit - 0 views

  • A simple Remote tester to check all types of Remote hand sets……. This simple remote tester can be a good tool to check whether a remote hand set is working or not. It uses the commonly available IR sensor TSOP 1738.The IR sensor has a PIN photodiode and an FET signal amplifier enclosed in an Epoxy case. The sensor requires five volts for its operation and its output is active low. Normally its output gives + 5 volts and goes down to zero when it receives 38 KHz pulsed IR rays. When the remote handset is focused on to the sensor and any one button is pressed, buzzer beeps and LED blinks indicating that the handset is OK. Remote Tester Circuit Diagram
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    "A simple Remote tester to check all types of Remote hand sets……. This simple remote tester can be a good tool to check whether a remote hand set is working or not. It uses the commonly available IR sensor TSOP 1738.The IR sensor has a PIN photodiode and an FET signal amplifier enclosed in an Epoxy case. The sensor requires five volts for its operation and its output is active low. Normally its output gives + 5 volts and goes down to zero when it receives 38 KHz pulsed IR rays. When the remote handset is focused on to the sensor and any one button is pressed, buzzer beeps and LED blinks indicating that the handset is OK. Remote Tester Circuit Diagram "
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    Remote Tester Circuit
Ahmet UZUN

DiSEqC Test Cihazi Devresi (DiSEqC-Tester+ , used ATtiny2313) - 0 views

  • New version of the DiSEqC-Tester using ATtiny2313: Schematic diagram: Orijinal görüntüsünü görmek için buraya tıklayın. 580x345 px. Enlarge DiSEqC-Tester_T2313_rev_A - DiSEqC 1.0 (4 ports), 1.1 (8 porst), 1.2 ("west", "east"). After every 4-th/8-th command - large pause (for protocols 1.0 and 1.1). No large pauses in 1.2-protocol mode. The archive contains some diagrams. Number of port-LEDs may be variable, for example 8 or 10, and depends on type of your DiSEqC-Switch. DiSEqC-Tester+ in Proteus (Designators may mismatch): FileSwap.com : DiSEqC-Tester.zip download free Alternatif Link http://www.mediafire.com/?gf2b9m0jzskmull
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    DiSEqC Test Cihazi Devresi (DiSEqC-Tester+ , used ATtiny2313)
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    DiSEqC Test Cihazi Devresi (DiSEqC-Tester+ , used ATtiny2313)
Ahmet UZUN

RF amplifier with BLY90 - 0 views

  • project of circuit potency lineal RF amplifier with BLY90 for Fm transmitter or vhf transmitter Circuit for lineal amplifier for VHF with power source and printed circuit board, using the transistor Bly90 It is to be used as amplifier of potency of RF in the high strip of of the power source that should be capable to supply a tension of 13 volts with a current of 10 amperes. it demands right care in the assembly of the source. Terrified armored transformer, and three shocks of RF to filter the components of high frequency. XRF1 and XRF2 are 30 you turns of wire 25 AWG in a nucleus of ferrite of 1 cm of diameter and 5 cm length. It can use one of a source at/atx bad, it is easier. XRF3 are 100 you turns of wire 25 AWG in a ferrite nucleus and 1cm of diameter for 5cm of length. Or use an usually found in the exits of sources ATX’s. something around 100µH. The capacitors C1, C2, C3, C4 should be ceramic of 600 V or more and the capacitors of 10nF are for 100v. RX cannot be of wire. Power supply circuit for the rf lineal amplifier Orijinal görüntüsünü görmek için buraya tıklayın. 512x223 px. About the transistor BLY90 The Transistor BLY90 was developed to work in the classes THE, B and C, with 12.5V current of 8A. For applications above 175MHZ. Below we have the diagram circuit of the amplifier using an only transistor BLY90. All capacitors should be ceramic. The resistor of 10Ω for 1 w should not be of wire, the entrance impedance and exit is of 50Ω , soon it should be linked with cable of 50Ω . It should be observed the legal restrictions as the operation of that equipment type. Diagram circuit of the project for the rf lineal amplifier Orijinal görüntüsünü görmek için buraya tıklayın. 522x297 px. Printed circuit board for the lineal amplifier with bly90 Below we have the drawing of the printed circuit board of the transmitter, observe that the components are mounted beside the copper and with the terminals the shortest possible, use heatsink in BLY90. lists of material for assembly of the lineal RF potency amplifier Power Supply RX = 22KΩ 1W C1,C2,C3,C4 = 100nF 600V Ceramic C5,C6,C7,C8, =10NF 100V C9 = 100NF C10 = 4700µF C11 = 2200µF D1,D2,D3,D4 = 1N5401 or equivalent. XRF1,XRF2 = 30 turns of wire 25 AWG in nucleus of ferrite of 1cm diameter for 5 length. Optional, use a shock of RF of a computer source, those of the entrance of the net. XRF3 = 100 turns of wire 25 AWG in a nucleus of ferrite of 1 x 5. T1 = Transformer of 12 Volts for 10 Ámperes with screening. Several = box, plugs, cables, etc. Amplifier of RF Q = BLY90 R = 10Ω 2W C1 =15PF C2,C3,C4,C5 = 100PF C6 = 470NF C7,C10,C11 = 470PF C8 = 47PF C9 = 56PF C12 = 22PF CV1,CV2 = TRIMMER 4 – 40PF CV3,CV4 = TRIMMER 60PF MAX. L1 = 3 turns of wire 24 AWG with diameter of 7mm, nucleus of air. L2 = Shock of RF of 0.22µH. L3 = 15 turns of wire 24 AWG around a resistor of 47Ω x 2W (it doesn’t serve as wire) L4 = 3 turns of wire 24 AWG with diameter of 7 mm, nucleus of air. L5 = 1 turns (sees fig. below for details) L6 = 3 turns of wire 24 AWG with diameter of 7 mm., nucleus of air. L7 = 4 turns of wire 24 AWG with diameter of 7mm, nucleus of air. Several = printed circuit board, antenna, cables, heatsink, box, etc. Detail of L5. That project is just for ends of didactic test, that doesn’t implicate in any responsibility of the idealizator about the non operation or illegality of operation of the equipment.
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    RF amplifier with BLY90
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    RF amplifier with BLY90
Ahmet UZUN

Mosfet TESTER - 0 views

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    "Mosfet TESTER This is a variation on the astable multivibrator. Circuit was recently developed to test for N-mosfets(the power kind e.g irf 830) I don't claim circuit can test all bad mosfets or all fault mosfet conditions. If mosfet is working it will operate in the astable multivibrator circuit causing the Led to flash. A bad mosfet will not cause the LED to flash. Below is the circuit diagram, the other half of the astable utilizes an npn transistor to make the circuit cheap. Almost any npn transistor will work in this circuit. The npn transistor to the right is used as a common emitter buffer that also drives the led as it receives pulses from the mosfet drain. Orijinal görüntüsünü görmek için buraya tıklayın. 622x444 px. note diode is a light emitting Diode"
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    Mosfet TESTER
Ahmet UZUN

all carradio pin out (oto teyp pin bağlantı şemaları) - 0 views

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    " ISO konektor autoradio * Car Audio Wire Diagram Codes Mitsubishi - Factory Car Stereo Repair - Bose Stereo, Speaker / Amplifier Repair all carradio pin out (oto teyp pin bağlantı şemaları) yukardaki linkleri inceleyiniz. Linkler ile ilgili fikir verecek resimleri ekliyorum arkadaşlar umarım işinize yarar.. Orijinal görüntüsünü görmek için buraya tıklayın. 1163x682 px. Orijinal görüntüsünü görmek için buraya tıklayın. 1328x520 px. Orijinal görüntüsünü görmek için buraya tıklayın. 1328x612 px. Son Düzenleme guclusat tarafından Bugün 07:03 de yapıldı.. Sebep: Linkler güncellendi "
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    all carradio pin out (oto teyp pin bağlantı şemaları)
Ahmet UZUN

Dreambox 500 Devre şeması - 0 views

  • http://www.uydudoktoru.com/dosyalar/...ydudoktoru.zip Dreambox 500 Devre şemasını yukardaki linkte bulabilirsiniz..(Schematic diagram DM500)
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    Dreambox 500 Devre şeması
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    Dreambox 500 Devre şeması
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