
Final Quiz for SisKom
Quiz
•
Science
•
3rd Grade
•
Practice Problem
•
Easy
Andi Iswandi
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Gambar berikut adalah derau pada sistem elektronis berkaskade. Derau yang ditimbulkan oleh perangkat elektronis lazimnya dinyatakan sebagai angka derau (Noise Figure). Pada persamaan pada gambar angka derau dilambangkan dengan:
Ti
Te
To
g
F
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapakah nilai angka derau pada penguat RF1?
30
29
0,1
1,1
0,001
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Berapakah total perolehan dari sistem penerima pada gambar?
109
1010
109 dB
1010 dB
90 dB
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Berapa angka derau total pada sistem penguat tersebut
14,1
1,103010
1,102009
1,10209
1,1
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Untuk membuat sebuah sistem penerima disediakan empat 3 buah penguat dengan penguatan sebesar g1 = 30 dB, g2 = 20 dB, dan g3 = 10 dB. Jika angka derau pada masing-masing penguat memiliki nilai yang sama, urutan pemasangan penguat yang menghasilkan total derau lebih rendah adalah...
g1 - g2 - g3
g1 - g3 - g2
g2 - g1 - g3
g2 - g3 - g1
g3 - g2 - g1
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
10 Hz
109 Hz
1 GHz
500 MHz
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
480 MHz,
500 MHz,
520 MHz
490 MHz,
500 MHz,
510 MHz
498 MHz,
500 MHz,
502 MHz
499 MHz,
500 MHz,
501 MHz
499,1 MHz,
500 MHz,
500,1 MHz
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