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Oakley RM-4014, Руководство строителя, Страница: 5 / 15

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Discrete Semiconductors

1N4004 rectifier diode

D7, D8

1N4148 signal diode

D1, D2, D3, D4, D5, D6

BC550  NPN transistor

Q2, Q4

BC560  PNP transistor

Q1, Q3

Integrated Circuits

TL072 dual op-amp

U2, U3

THAT320P PNP array

U1

THAT300P NPN array

U4

Variable Resistors

50K or 100K multiturn trimmer

BAL1, BAL2, GAIN

100K linear Alpha 16mm pot

X-LEVEL, Y-LEVEL

50K linear Alpha 16mm pot

Y-OFFSET

Pot brackets

Three off

Miscellaneous

Leaded ferrite beads

L1, L2

2 x 5 (10-way) 0.1” box header

PSU

0.1” 8-way Molex or MTA header

SOCKETS 

– board mounted

0.1” 8-way Molex or MTA housing SOCKETS 

– wire harness

DIL14 pin IC sockets

Two off

DIL 8 pin IC sockets

Two off

Other Parts Required

3.5mm sockets

Five off mounted on panel

Three 20mm knobs.

Around 2m of insulated multistrand hook up wire for the socket connections.

5

Содержание RM-4014

Страница 1: ...Oakley Sound Systems Oakley Modular Eurorack Series RM 4014 Ring Modulator PCB Issue 3E Builder s Guide V3 1 0 Tony Allgood Oakley Sound Systems CARLISLE United Kingdom...

Страница 2: ...tion of the unit and the calibration procedure please visit the main project web page at http www oakleysound com ringmod e htm For general information regarding where to get parts and suggested part...

Страница 3: ...mA Power is routed onto the main PCB via the usual 2 x 5 way 0 1 2 54mm header for compatibility with Euro format modular systems The top pins on the header are connected to the 12V supply Reverse po...

Страница 4: ...1 500 ohms or 1 5 kilohms For capacitors 1uF one microfarad 1000nF one thousand nanofarad To prevent loss of the small as the decimal point a convention of inserting the unit in its place is used eg...

Страница 5: ...IN 100K linear Alpha 16mm pot X LEVEL Y LEVEL 50K linear Alpha 16mm pot Y OFFSET Pot brackets Three off Miscellaneous Leaded ferrite beads L1 L2 2 x 5 10 way 0 1 box header PSU 0 1 8 way Molex or MTA...

Страница 6: ...gnal you insert into X and which into Y Generally we will use X as our input signal sometimes called the carrier and Y as our modulator That is Y will shape X In many applications it doesn t make too...

Страница 7: ...of around 1Hz It is possible to use both the AC and DC inputs simultaneously thus creating a crude two channel mixer However although no harm to the unit will come about it does cut down the overall s...

Страница 8: ...t and they are also made onto the same silicon die and in the same housing thus ensuring a good thermal matching too The voltage at the top of each transconductance stage is fixed by diodes to be 1 2V...

Страница 9: ...Y input voltage Thus effectively increases the gain of the left hand transconductance amplifier thus allowing the non inverted X signal to pass through to the output even when no positive Y input is...

Страница 10: ...rent This should cause the power supply to go into current limit However this current may be large enough to eventually burn out the diodes and damage them The protection diodes are therefore only sui...

Страница 11: ...is still at the same potential connects to the input and output sockets screen connection If you are using metal sockets this will ensure that the module panel is then directly connected to the power...

Страница 12: ...onnected to the tip of the jack plug when it is inserted The third tag is the normalised tag or NC normally closed lug The NC lug is internally connected to the signal tag when a jack plug is not inse...

Страница 13: ...ions of the lugs of the CV and audio output sockets that go directly to the PCB are summarised in the table below They are given in the order in which I would recommend that they be soldered Socket Na...

Страница 14: ...dulator circuit and Y OFFSET is adjusting the gain of the amplification within the ring modulator Swap the input signal over to the IN X DC input This should have no apparent effect on the sound There...

Страница 15: ...be found and fixed within one hour and I normally return modules within a week The minimum charge is 25GBP plus return postage costs If you have a comment about this builder s guide or have a found a...

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