Frequency Central High Towers Bruksanvisning

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Sida 1/5
Frequency central
Build documentation for:
High towers
Featuring code by Jetroid
Main PCB Control PCB
High Towers is a 4 channel programmable and addressable clock divider. It is more than the
sum of it’s parts.
High Towers internal operations can be considered as 4 clock dividers slaved to an incoming
clock. The 4 clock dividers are labelled A, B, C, and D, the divisions for each divider may be
selected using the presets and the individual division selectors. The clock dividers can be set
to count up, down, or to one of a variety of modes that move between counting up and
down. Furthermore, the division of each clock can be set by external CV.
For further information see the High Towers User Guide.
Key to PCB screen print:
n: This signifies NPN BC547 transistors. Note the correct pinout as shown by the half circles.
Please observe the correct polarity for all ICs, voltage regulators, diodes and electrolytic
capacitors.
Bill of Materials
You will notice that all of the components listed below are also hyperlinks to where I buy
each specific part from. You can also use the hyperlinks to find out more about what each
component looks like. If you want to know even more, is your friend. Google
1K x 25
10K x 7
All resistors ¼ watt
metal film.
100nF 1 x
10uF x 1
47uF x 2
TOOL PIC
TL084 x 1
TL072 x 1
BC547 x 6
1N4148 x 6
78L05 x 1
3mm red LED x 6
14 pin IC socket x 2
8 pin IC socket x 1
B100K x 2 metal
shaft
B100K x 4
(or these)*
plastic shaft
3.5mm socket x 1 2
Tactile switch x 2
Male header x 1
(cut to size)
Female header x 1
(cut to size)
Power header x 1
Knobs x 2
* I prefer the Song Huei tall trimmers because they have a longer shaft and a white notch.
Main PCB assembly
1. Solder the diode and all resistors
2. Solder all three IC sockets
3. Solder the non elecrolytic capacitors
4. Solder the 78L05 and BC547s watch the polarities!
5. Solder the box power header. Make sure the notch lines up with the screenprint
legend. If in doubt, have a look at a power cable, and make sure when inserted into
the header the red stripe lines up with the -12V screenprint.
6. Solder all electrolytic capacitors
7. Cut male headers to size and solder them into place. Make sure that they stick out of
the bottom of the PCB.

Produktspecifikationer

Varumärke: Frequency Central
Kategori: Inte kategoriserad
Modell: High Towers

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