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The TNT-Convertus: a minimalist DAC

[The TNT Convertus]
Part 4
[Italian version]

4. - TNT-Convertus components List

Quite a few readers asked me the component lists for my schematics. I decided to add them, but I disagree with the approach.

The need for the components list means that the user is definitely following the designer's indication, without any minor change and any adaptation to his own system.
All my published schematics have been tested and have been working for quite a while before being published, but this does not mean that they are the best you can achieve.
I for sure did not tested all the possible component combinations: I just found out a good one, and stitched to it.
Hence you should not avoid testing different components.
Especially where expensive components are used (here paper in oil capacitors, for example) there is definitely no real need to do the same. Probably you would not achieve the same transparent sound, but perhaps you do not need it, or even you would not like it, or you could also find an even better and lower cost solution. So if you have some far less expensive capacitors you are happy with, use them instead.

Never assume that the choice of a component, especially capacitors on the sound path, can better be made by someone who does not knows your taste and your habits: you are the only one that can really set up the perfect component for your taste.

So the notes near the components are just hints, there's nothing mandatory.

3.1 - Receiver

Code

Value

Rating (Min)

Notes

C_C101

1nF

16V

Ceramic

C_C102

0.47uF

16V

Polyester

C_C103

4700uF

16V

Electrolytic

C_C104

1nF

16V

Ceramic

C_C105

0.47uF

16V

Polyester

C_C106

220uF

16V

Electrolytic - ELNA Cerafine

C_C107

1nF

16V

Ceramic

C_C108

0.47uF

16V

Polyester

C_C109

4700uF

16V

Electrolytic

C_C110

1nF

16V

Ceramic

C_C111

0.47uF

16V

Polyester

C_C112

220uF

16V

Electrolytic - ELNA Cerafine

C_C113

0.01uF

16V

Polyester

C_C114

0.01uF

16V

Polyester

C_C115

0.047uF

16V

Polyester

L_L101

1000uH

Rdc=13ohm

RF Choke

L_L102

1000uH

Rdc=13ohm

RF Choke

R_R101

75 ohm

1/4W 1%

Metal film

R_R115

4.7Kohm

1/4W 1%

Metal film

R_R116

1Kohm

1/4W 1%

Metal film

VR501

2.2K

1/4W

Potentiometer

U_U101

CS8412

Digital Audio Interface Receiver

3.2 - DACs

Code

Value

Rating (Min)

Notes

C_C201

0.47uF

16V

Polyester

C_C202

4700uF

16V

Electrolytic

C_C203

0.47uF

16V

Polyester

C_C204

4700uF

16V

Electrolytic

C_C205

0.47uF

16V

Polyester

C_C206

4700uF

16V

Electrolytic

C_C207

0.47uF

16V

Polyester

C_C208

4700uF

16V

Electrolytic

C_C209

0.47uF

16V

Polyester

C_C210

680pF

16V

Polystyrene

C_C211

680pF

16V

Polystyrene

C_C212

680pF

16V

Polystyrene

C_C213

680pF

16V

Polystyrene

C_C214

680pF

16V

Polystyrene

C_C215

680pF

16V

Polystyrene

C_C216

680pF

16V

Polystyrene

C_C217

680pF

16V

Polystyrene

C_C218

1000pF

16V

Polystyrene

C_C219

1000pF

16V

Polystyrene

C_C220

0.47pF

100V

Paper in oil - Jensen

C_C221

10uF

16V

Polyester - WIMA

C_C222

0.47pF

100V

Paper in oil - Jensen

C_C223

10uF

16V

Polyester - WIMA

L_L201

1000uH

Rdc=13ohm

RF Choke

L_L202

1000uH

Rdc=13ohm

RF Choke

R_R201

330ohm

1/4W 1%

Metal film

R_R202

3.3Kohm

1/4W 1%

Metal film

R_R203

3.3Khm

1/4W 1%

Metal film

R_R204

681ohm

1/2W 1%

Metal film

R_R205

681ohm

1/2W 1%

Metal film

U_U201

TDA1543

Dual 16 Bit DAC

U_U202

TDA1543

Dual 16 Bit DAC

U_U203

TDA1543

Dual 16 Bit DAC

U_U204

TDA1543

Dual 16 Bit DAC

3.3 - Receiver Digital Power Supply

Code

Value

Rating (Min)

Notes

C_C301

1nF

25V

Ceramic

C_C302

0.47uF

25V

Polyester

C_C303

4700uF

25V

Electrolytic

C_C304

4700uF

25V

Electrolytic

C_C305

220uF

25V

Electrolytic

C_C306

220uF

25V

Electrolytic

C_C307

0.47uF

25V

Polyester

C_C308

1n

25V

Ceramic

C_C309

220uF

16V

Electrolytic

C_C310

0.47uF

16V

Polyester

C_C311

1n

16V

Ceramic

D_D301

BYV27-100

Ultra Fast Diode

D_D302

BYV27-100

Ultra Fast Diode

D_D303

BYV27-100

Ultra Fast Diode

D_D304

BYV27-100

Ultra Fast Diode

D_D305

Zener 6.8V

Low current

L_L301

1000uH

Rdc=13ohm

RF Choke

L_L302

1000uH

Rdc=13ohm

RF Choke

Q_Q301

2N2222

NPN Transistor

R_R301

390 ohm

1/4W 1%

Metal film

R_R302

390 ohm

1/4W 1%

Metal film

RT_VR301

2.2K

1/4W

Potentiometer

3.4 - Receiver Analogue Power Supply

Code

Value

Rating (Min)

Notes

C_C401

1nF

25V

Ceramic

C_C402

0.47uF

25V

Polyester

C_C403

4700uF

25V

Electrolytic

C_C404

4700uF

25V

Electrolytic

Q_Q401

2N2222

NPN Transistor

C_C405

4700uF

25V

Electrolytic

C_C406

4700uF

25V

Electrolytic

C_C407

1000uF

25V

Electrolytic

C_C408

0.47uF

25V

Polyester

C_C409

1n

25V

Ceramic

C_C410

4700uF

16V

Electrolytic

C_C411

4700uF

16V

Electrolytic

C_C412

0.47uF

16V

Polyester

C_C413

1nF

16V

Ceramic

D_D401

BYV27-100

Ultra Fast Diode

D_D402

BYV27-100

Ultra Fast Diode

D_D403

BYV27-100

Ultra Fast Diode

D_D404

BYV27-100

Ultra Fast Diode

D_D405

Zener 6.8V

Low current

L_L401

1000uH

Rdc=13ohm

RF Choke

L_L402

1000uH

Rdc=13ohm

RF Choke

R_R401

220ohm

1W 1%

Metal film

R_R402

390Kohm

1/4w 1%

Metal film

R_R403

390 ohm

1/4w 1%

Metal film

VR401

2.2Kohm

1/4w

Potentiometer (trimmer)

3.5 - DAC Analogue Power Supply

Code

Value

Rating (Min)

Notes

T3

30VA

Primary 0-230V ; Secondary 0-12V

C_C501

1nF

25V

Ceramic

C_C502

0.47uF

25V

Polyester

C_C503

4700uF

25V

Electrolytic

C_C504

4700uF

25V

Electrolytic

C_C505

4700uF

25V

Electrolytic

C_C506

4700uF

25V

Electrolytic

C_C507

4700uF

25V

Electrolytic

C_C508

0.47uF

25V

Polyester

C_C509

4700uF

16V

Electrolytic

C_C510

4700uF

16V

Electrolytic

C_C511

0.47uF

16V

Polyester

C_C512

1nF

Ceramic

VR501

2.2K

1/4W

Potentiometer (trimmer)

Q_M501

IRF830

Power MOSFET

D_D501

BYV27-100

Ultra Fast Diode

D_D502

BYV27-100

Ultra Fast Diode

D_D503

BYV27-100

Ultra Fast Diode

D_D504

BYV27-100

Ultra Fast Diode

Copyright 2000 Giorgio Pozzoli - https://www.tnt-audio.com

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