ECdesigns PowerDAC-R User Manual Download

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https://www.ecdesigns.nl

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IR Remote Control

The IR Remote Control is an optional product that can be

used with the PowerDAC-R.

The IR Remote Control can be used to:

•

Increase volume

•

Decrease volume

•

Mute/Un-mute

The IR Remote Control can be recharged with the

included USB mini cable.

Connect to a 5V source like PC or 5V USB charger to charge.

Summary of Contents for PowerDAC-R

Page 2: ...nd resistor attenuator are used to generate the output signal The PowerDAC R is intended for driving ampli fi ers and headphones Highlights Custom DAPI receiver o ff ers high source immunity Toslink i...

Page 4: ...es are short circuit for AC S o output impedance in all 3 cases remains the same 31 25 R By changing the electronic switch settings we can have no voltage positive voltage or negative voltage on RCA o...

Page 5: ...is going to add noise distortion and signal degrading no matter what By simply eliminating the pre amp we also eliminate all related degrading Output voltage 125mVpp 4 Vpp 44mV 1 4 V rms Output voltag...

Page 6: ...nl 6 16 PowerDAC R PAGE 2 POWER Output Voltage shifts attenuation in dB Volume 0 2 8Vpp 4 27dB 1 4 4Vpp 4 24dB 2 2 8Vpp 3 21dB 3 4 4Vpp 3 18dB 4 2 8Vpp 2 15dB 5 4 4Vpp 2 12dB 6 2 8Vpp 1 9dB 7 4 4Vpp 1...

Page 7: ...e PowerDAC R without modi fi cation Auto mute When no Toslink data is received the PowerDAC R will switch to muting after about 15 minutes When Toslink data is received again the previous volume setti...

Page 8: ...PowerDAC R without alterations you can use the built in bit perfect tester in the PowerDAC R For this we have 4 wav test fi les 44 1kHz 48kHz 88 2kHz 96kHz that can be played on your source streamer...

Page 9: ...ved ECdesigns https www ecdesigns nl 9 16 Jumper settings Below are the jumper settings for PowerDAC R The fi xed output jumper setting fi xes PowerDAC R output to volume level 9 Carefully remove or p...

Page 10: ...ton to start the download Goto link below to download the STM Cube programmer Win Lin Mac https www st com en development tools stm32cubeprog html get software Download and install STM32CubeProgrammer...

Page 11: ...and USB cable connection Now press the Connect button Then use the Open fi le button to load the fi rmware fi le Click the Download button to load fi rmware fi le in the PowerDAC R After message File...

Page 12: ...lue USB power cable from the PowerDAC R Use tweezers to set the red jumpers on rear of PowerDAC R to PROGRAM con fi guration see Jumper settings on page 9 Now connect a USB cable from the PowerDAC R t...

Page 13: ...IR Remote Control is an optional product that can be used with the PowerDAC R The IR Remote Control can be used to Increase volume Decrease volume Mute Un mute The IR Remote Control can be recharged...

Page 14: ...ECdesigns https www ecdesigns nl 14 16 UT96 The UT96 is an optional USB to Toslink converter that can be used with the PowerDAC R It supports USB full speed 44 1kHz 48kHz 88 2kHz 96kHz Use standard U...

Page 15: ...he PowerDAC One possible solution is using an external input switch like the one below It has 4 S PDIF inputs and includes a remote control for selecting the active input Digital Audio Switch The Powe...

Page 16: ...gi HAT or the Hi fi Berry Digi HAT you can connect the PowerDAC R using a Toslink cable It supports 44 1kHz 48kHz 88 2kHz 96kHz 176 4kHz 192kHz Be sure to set Audio Volume Control to fi xed at 100 set...