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XK-700 DIGITAL KIT (DG-700-D) PARTS LIST
Qty.
Symbol
8
R36 - R43
1
R15
4
R16 - R19
16
R20 - R35
Qty.
Symbol
1
U7
8
D18 - D25
2
U8, U9
Qty.
Symbol
10
SW4 - SW13
2
S4, S5
8
2
3
U7 - U9
12
B7 - B18
1
INTRODUCTION
The Digital Section is the fourth package of the XK-700K kit that you are building. The Digital Section of your
trainer contains all of the necessary functions to do your digital designs. They consist of a clock generator, two
no bounce logic switches, 8 LED indicator lamps and 8 data switches. We have also added a 730 tie point
Bredblox to your already existing 830 tie points, giving you a total of 1560 tie points to handle complex circuit
designs.
SPECIFICATIONS
• Data switches, eight DPDT, Hi 5V, low 0V.
• Logic switches, two no bounce with complementary output.
"On" voltage level 2.8V min., "Off" voltage level 1V max.
Input impedance 100kΩ.
• Eight LED readouts, 100kΩ input impedance.
• Clock frequency, 1Hz to 100kHz in 5 steps continuously variable.
• Clock amplitude, 5Vpp squarewave.
• Clock rise time, better than 100 nsec.
• Bredboard 730 tie points.
DG-700-D
RESISTORS
Value
Color Code
120Ω 5% 1/4W
brown-red-brown-gold
220Ω 5% 1/4W
red-red-brown-gold
1kΩ 5% 1/4W
brown-black-red-gold
100kΩ 5% 1/4W
brown-black-yellow-gold
SEMICONDUCTORS
Value
Description
SN7403
IC
LED Diode (red)
74HC04
IC
MISCELLANEOUS
Description
Slide Switch SPDT
Connector 4-pin
Spacer 1/4" #8
Screw
Socket IC 14-Pin
Bredboard
Bredblox
-37-
Part #
131200
132200
141000
161000
Part #
337403
350002
39HC04
Part #
541009
591042
624124
642430
664014
665204
99426
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