Elenco Digital / Analog Trainer in Case - Manual (Page 2)

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GENERAL SPECIFICATIONS FOR MODEL XK-550
Power Supplies:
• 0V to 20VDC @ .5 amp (0V to 15V @ 1 amp)
• 0V to –20VDC @ .5 amp (0V to –15V @ 1 amp)
• +12V +5% @ 1 amp
• –12V +5% @ 1 amp
• +5V +5% @ 1 amp
• 30V AC center-tapped at 15VAC @ 1 amp.
• Load regulation all DC supplies less than .2V no load to .5A
• Line regulation all DC supplies less than .2V 105 to 135V
• Hum and ripple all DC supplies less than .01V rms
• Short protection all DC supplies - Internal IC thermal cutoff
• Fuse - 1.25A, 250V
Function Generator Analog Section:
• Waveforms sine, square, triangle, complimentary square
• Frequency - 1Hz to 100kHz in 5 steps continuously variable
• Fine frequency adjust - 10:1 approximate
• Amplitude variable 0-15Vpp
• Output impedance 330
Ω: short protected
• DC offset change +10V from zero crossing
Digital Section:
• Data switches, eight DPDT, Hi 5V, low 0V
• Logic switches, two no bounce with complimentary output
“On” voltage level 2.8V min., “Off” voltage level 1V max.
Input impedance 100k
Ω.
• Eight LED readouts, 100k
Ω input impedance
• Clock frequency, 1Hz to 100kHz in 5 steps continuously variable
• Clock amplitude, 5Vpp squarewave
• Clock rise time, better than 100nsec.
Bredboards Section:
• Two bredboards containing 830 tie points each (total 1,660 pins)
• 6 independent power bus lines for common connections
Variable Resistance (undedicated):
• 1k
Ω Potentiometer
• 100k
Ω Potentiometer