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8/3/2019 Bcd_1 adder
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Bcd adder
BCD addition is the same as binary addition with a bit of variation: whenever a sum is greater than 1001, it isnot a valid BCD number, so we add 0110 to it, to do the correction. This will produce a carry, which is added
to the next BCD position.
Add the two 4-bit BCD code inputs.
Determine if the sum of this addition is greater than 1001; if yes, then add 0110 to this sum and
generate a carry to the next decimal positi
MAIN UNIT (KL-31001)
POWER SUPPLY
1. Dual DC Power Supply1. Voltage Range: + 5V, 1.5A; - 5V, 0.3A; 12V, 0.3A
2. With overload protection
2. Adjustable DC Power Supply1. Voltage Range: + 1.5V ~ + 15 V
2. Maximum Current Output: 0.5A3. With overload protection
SIGNAL GENERATOR
All signal generators has independent and simultaneous TTL and CMOS level output terminal. CMOS level outputrange from + 1.5V to + 15V and is controlled from the voltage adjustment knob of the Adjustable DC Power Supply.
3. Standard Frequency1. Frequency : 1 MHz, 60Hz, 1Hz2. Accuracy : 0.01% (1 MHz)3. Fanout : 10 TTL load
4. Clock Signal Generator1. Frequency : 1Hz ~ 1 MHz (6 Ranges)
a. 1 Hz ~ 10 Hz d. 1 KHz ~ 10 KHzb. 10 Hz ~ 100 Hz e. 100 KHz ~ 1000 KHzc. 100 Hz ~ 1 KHz f. 1000 KHz ~ 1 MHz
2. Fanout : 10 TTL load
5. Data Switch1. 2x8-bit DIP switch, 16-bit TTL level output
2. 4 x toggle switch, each with DEBOUNCE circuit3. Fanout : 10 TTL load
6. Pulser Switch1. 2 sets of independent control output2. Each set with Q, Q output, pulse width > 5mS3. Each set of switch with DEBOUNCE circuit4. Fanout : 10 TTL load
8/3/2019 Bcd_1 adder
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7. Line Signal Generator1. Frequency : 60 Hz2. Output Voltage : 6Vrms3. With overload protection
8. Thumb wheel Switch2-digit, BCD code output, common point input.
DISPLAY
9. Logic Indicator1. 16 sets of independent LED indicates high and low logic state2. Input Impedance : < 100d
10. Digital Display1. 4 sets of independent 7-segment LED display2. With BCD, 7-segment decorder/driver and Dp input terminal.3. input with 8-4-2-1 code.
TESTING DEVICES
11. Logic Probe1. TTL and CMOS level2. 3mm LED displays3. "Lo" and "Hi" LED displays low and high logic state respectively
12. SpeakerAn 8d, 0.25W speaker with driver circuit.
BREADBOARD MODULE
13. Breadboard
1680 tie-point breadboard on top panel can be easily put into and taken off.
ACCESSORIES
14. A. Connect Leads: 1) 2mm ~ 0.65 mm, 300mmL, 6pcs2) 2mm ~ 2mm, 450mmL, 10pcs
B. Test Probe: 2mm ~ 2mm, 600mmL, 1pcC. User's ManualD. FuseE. AC CordF. Anti-Dust Cover
EXPERIMENT MODULES
1. All 13 modules with an 8-bit DIP switch for fault simulation. Users learn how to solve various problems bysetting the DIP switch to different positions.
2. Solutions for all faults are listed in the experiment manual for user's reference.3. 2mm plugs and sockets used throughout the lab and all modules.4. Comprehensive experiment and instructor's manual.5. Module dimension: 255x165x30mm6. Connection plugs are used on the modules to prevent accidental damages.7. Individual storage case for each module.