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24-Bit 192KHz PCM1793 DAC with DIR9001 Receiver and OPA2134 OPAMP
Posted on Friday, January 30, 2009   •   Category: Audio DAC


24-Bit 192KHz PCM1793 DAC is is perfect solution for upgrading audio components such as CD Player, DVD Player, Blue Ray Player, Computer, and Satellite receiver. It can be easily connected via Coaxial S/PDIF or Optical Cable and provides convenient analog output connectors. PCM1793 Audio DAC board features advanced Burr-Brown PCM1793 DAC chip, high quality OPA2134 op-amp, and latest DIR9001 digital line receiver. PCB board is built with high quality components such as Nichicon Audio capacitors, WIMA capacitors, gold plated connectors, gold plated PCB tracks and metal film resistors. PCM1793 DAC provides detailed heights and exceptionally good sound stage. PCM1793 DAC Specifications - Burr-Brown PCM1793 - 24-Bit 192kHz Sampling Advanced Segment Audio Stereo DAC - Dynamic Range: 113 dB THD+N: 0.001% - 8 Oversampling Digital Filter - Digital input receiver DIR9001 - Burr-Brown OPA2134 OPAMP - Coaxial / Optical Inputs, Analog Output - Nichicon KZ Audio capacitors, WIMA capacitors - The receiver provides better quality than the popular CS8412 / CS8414 / CS8416 - Power Supply: 12V / 1A


Accurate LC Meter
Posted on Tuesday, December 2, 2008   •   Category: PIC


Build your own LC Meter and start making your own coils and inductors. This LC Meter allows to measure incredibly small inductances making it perfect tool for making all types of RF coils. LC Meter can measure inductances starting from 10nH - 1000nH, 1uH - 1000uH, 1mH - 100mH and capacitances from 0.1pF up to 900nF. The circuit includes an auto ranging and "Zero Out" function to make sure the readings are as accurate as possible ...


Stereo FM Transmitter BH1415F
Posted on Monday, November 10, 2008   •   Category: FM Transmitters


Here is a stereo FM Transmitter based on BH1415F wireless audio link IC. Phase Locked Loop controller use Microchip PIC16F628 and the the PLL frequency programming can be displayed with 82 and 162 LCD display. The frequency range can adjustable from 88-108 MHz.


BH1415F FM Stereo PLL Transmitter
Posted on Monday, November 10, 2008   •   Category: FM Transmitters


This is FM PLL Stereo based BH1415F IC from Rohm, it's has built in PLL and Stereo Encoder. You can download the schematic, pcb layout and Hex code. The transmitter menu display with LCD, and this have step 100Khz, 200Khz,.....1000Khz and have Mode menu (stereo/mono). In Action, LCD Display can solder directly on the bottom.


Accurate LC Meter with Green Backlight LCD
Posted on Monday, November 10, 2008   •   Category: LC Meter


This is one of the most accurate and simplest LC inductance / capacitance Meters that one can find, yet one that you can easily build yourself. This LC Meter allows to measure incredibly small inductances starting from 10nH to 1000nH, 1uH to 1000uH, 1mH to 100mH and capacitance from 0.1pF up to 900nF. LC Meter's circuit uses an auto ranging system so that way you do not need to spend time selecting ranges manually. Another neat function is the "Zero Out" switch that will reset the initial inductance / capacitance, making sure that the final readings of the LC Meter are as accurate as possible.


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