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PAL Trainer1
VPL-PLDT1
Specifications
The unit is divided into two parts:
Programmer for various GAL’s
Experimental modules for various GAL’s
Experimental modules incorporate following feature
Signal Generator: to provide signal (Sine Wave) as an input to GALs.
Two independent frequency output: 1Hz & 10KHz.
One independent adjustable clock generator: 1Hz - 1KHz.
Switches to provide ON/OFF input to GALs.
Eight independent input switches
Each switch provides “switch - debouncing” circuit.
Fan out: 20 TTL loading
Pulse Signal Switch:
Provides Q/R output, pulse width may be controlled manually.
Offers switch debouncing circuit
Fan out: 10 TTL loading
Display:
a) Logic Indicator:
1) 8 independent LED to show high/low levels
2) LED indicator for DICE circuit
b) Number of Display:
1) 5 x 7 dot matrix character display (38.3 x 53.0 mm.
2) 4 independent seven segment displays
4 ZIF sockets (24 pins)
37 Pin D type connector (connection between PCPET card main unit)
Experiment types include combinational and sequential circuit experiments
Demo functions:
24 hour clock (seven segment)
DICE (LED)
Neon (LED)
Character (dot matrix)
Power Supply:
Internal from PC: accord with PCPET Card plug in to free ISA slot of IBM compatible PC.
External Power Supply (optional)
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