Elektronika dan Instrumentasi : Elektronika Digital 3 – Enkoder , Dekoder , 7 segment
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Transcript of Elektronika dan Instrumentasi : Elektronika Digital 3 – Enkoder , Dekoder , 7 segment
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Elektronika dan Instrumentasi:Elektronika Digital 3 – Enkoder, Dekoder, 7 segment
Dimas Firmanda Al Riza
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Materi Kuliah
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Dekoder dan Enkoder
A 0
A 1
A 2
A 3
A 4
A 5
A 6
A 7
ENCODER
O 0
O 1
O 2
A 0
A 1
A 2
O 0
O 1
O 2
O 3
O 4
O 5
O 6
O 7
DECODER
ONLY ONE INPUT ACTIVATED AT A TIMEBINARY CODE OUTPUT
BINARY CODE INPUT
ONLY ONE OUTPUT ACTIVATED AT A TIME
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Binary DekodingDekoder adalah suatu rangkaian logika yang memiliki sedikit masukan dan banyak keluaran.
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1 to 2 Dekoder
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2 to 4 Dekoder
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Rangkaian 2 to 4 Dekoder
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3 to 8 Dekoder
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3 to 8 Dekoder
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Rangkaian 3 to 8 Dekoder
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Enkoder Binary
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ELECTRONIC ENCODER - DECIMAL TO BCD
0
Decimalto
BCDEncoder
BCD outputDecimal input 0 0 0 0
5
0 1 0 17
0 1 1 1
3
0 0 1 1
• Encoders are available in IC form.• This encoder translates from
decimal input to BCD output.
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10 line to 4 line Encoder
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ENCODER1248
DECIMAL BINARY (BCD)
9 5V
8 5V7 5V6 5V5 5V4 5V3 5V2 5V1 5V
74147I9I8I7I6I5I4I3I2I1
A0A1A2A3
10 line to 4 line Encoder
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0
1
23
45
6
7
8
9
DECODER
BINARY (BCD)
DECIMAL
1 0V2 0V
4 0V
8 0V
74LS42
A3A2A1A0
9876543210
4 line to 10 line Decoder
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BCD-to-7-SegmentDecoder/
Driver
DECODERS: BCD TO 7-SEGMENT DECODER/DRIVER
BCD input
0 0 0 0
Decimal outputLED
0 0 0 10 0 1 00 0 1 10 1 0 0
• Electronic decoders are available in IC form.• This decoder translates from BCD to decimal.• Decimals are shown on an 7-segment LED display.• This IC also drives the 7-segment LED display.
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BCD-to-7-SegmentDecoder/
Driver
BCD input Decimal output0 0 1 1
?
Q #1- What is the decimal output from the decoder that appears on the 7-segment display?
Answer: 3
Q #2- What is the decimal output from the decoder that appears on the 7-segment display?
0 0 0 0
Answer: 0
Q #3- What is the decimal output from the decoder that appears on the 7-segment display?
1 0 0 1
Answer: 9
Q #4- What is the decimal output from the decoder that appears on the 7-segment display?
Answer: 7
0 1 1 1
Q #5- What is the decimal output from the decoder that appears on the 7-segment display?
Answer: 6
0 1 1 0
TEST
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BCD-TO-SEVEN SEGMENT DECODER DRIVER
5V
abcdef g .
V+
74LS47A3A2A1A0
testRBI
gfedcba
RBO
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7-segmen display
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Rangkaian Pengubah kode BCD ke LED 7-segmen
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Thankyou