Nixie Tube Clock ‘Dink’
Issue 9 (10 November 2017)
www.pvelectronics.co.uk
- 3 -
1. INT
RODUCTION
1.1
About the clock
Nixie clock type ‘Dink’ is a Nixie Clock Driver PCB, specially designed for
driving remotely-placed tubes. Connections are provided for simple
wiring of tubes using a multiplex configuration. Connections may be
made at the board by either screw terminals (supplied), direct solder
connections or 0.1” pin headers/ sockets.
1.2
Clock Features
Nixie clock type ‘Dink’ has the following features:
- Tubes connected remotely via screw terminals or pin headers
- Hours, Minutes and Seconds display
- 12 or 24 hour modes
- Date display in either DD.MM.YY or MM.DD.YY format
- Alarm, with programmable snooze period
- Programmable date display each minute
- Output for LED tube lighting
- Uses a Quartz Crystal Oscillator as the timebase
- Optional DCF / MSF / GPS synchronisation with status indicator LED
- Supercapacitor backup. Keeps time during short power outages
- Simple time setting using two buttons
- Programmable leading zero blanking
- Five programmable neon colon settings (Flashing AM/PM indication,
illuminated AM/PM indication, both flashing, both on, both off)
- Maintains time during setup mode, eg. When changing between
Standard Time and Daylight Savings Time
- Seconds can be reset to zero to precisely the set time
- Programmable night mode - blanked or dimmed display to save tubes
or prevent sleep disturbance
- Separate modes for colon neons during night mode
- Standard or fading change of digits
- ‘Slot Machine’ Cathode poisoning prevention routine
- All user preferences stored to non-volatile memory
