Summary of Contents for Frequency Central Cryptograph
Page 1
Frequency central Build documentation for: Cryptograf Cryptograf features 4 address inputs, 1, 2, 4 and 8, each of which has an associated input socket as well as a 3 position state switch which allows each address input to be held high, respond to input signals, or held low.
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Bill of Materials 1K x 40 10uF x 1 CD4514* B100K x 16 10K x 6 47uF x 2 these)* * 22K x 1 TL084 x 4 47K x 2 TL072 x 2 3.5mm socket x 8 (in place of 27K on older version) 100K x 20 BC547 x 1...
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Main PCB assembly 1. Solder all resistors 2. Solder all IC sockets 3. Solder the 78L05 and all BC547 – watch the polarity! 4. 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.
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Pots ‘n’ sockets PCB 1. Solder all of the toggle switches. Please note that there are 2 on/on switches and 4 on/off/on switches, the lower 4 switches are all on/off/on type. The back of the PCB is your friend here, as it states clearly either on/on or on/off/on for each switch. 2.
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