PRAKTIK ELEKTRONIKA LEMBAR JAWAB 1
Topik 1. Penyearah Dengan Menggunakan Jembatan Dioda
Nama
NIM
: ……………………………………….
: ……………………………………….
A. Gambar Rangkaian
A
T1
4 x IN4001
C
mA
220V/6V
C1
R1
B
47uF/25V
220Ω/5W
D
B. Petunjuk
1. CH 1 CRO untuk mengukur titik A-B, CH 2 CRO untuk mengukur titik C-D
2. Pada saat kondisi beban terpasang, catat Vmaks dan Vmin pada gambar sinyal di CRO
VDC CRO = Vmaks – ((Vmaks – Vmin)/2)
3. Prosentase perbedaan = (|Teori – Praktek|/Teori) x 100%
C.
Pertanyaan
Cari prosentase perbedaan antara hasil teori dan hasil praktek, untuk :
1. Vpp AC
2. VDC tanpa beban
3. VDC berbeban
D. Pengukuran Rangkaian Penyearah Jembatan Tanpa Beban (mA & R1 dilepas)
1. Dengan Menggunakan CRO :
Gambar Sinyal Pada CRO (CH1 dan CH 2) :
Volt/Div CH 1 = ……………………..
Volt/Div CH 2 = ..……………………
Hasil Pengukuran CH 1 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
Hasil Pengukuran CH 2 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
2.
Dengan Menggunakan Voltmeter :
a. Titik A-B = ………………………………………………
b. Titik C-D = ………………………………………………
E.
Pengukuran Rangkaian Penyearah Jembatan Dengan Beban Terpasang (mA & R1 dipasang)
1. Dengan Menggunakan CRO :
Gambar Sinyal Pada CRO (CH1 dan CH 2) :
Volt/Div CH 1 = ……………………..
Volt/Div CH 2 = ..……………………
Time/Div = ..……………………
Hasil Pengukuran CH 1 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
Hasil Pengukuran CH 2 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
Frekuensi yang terukur :
……………………………………………………………
……………………………………………………………
……………………………………………………………
F.
2.
Dengan Menggunakan Voltmeter :
a. Titik A-B = ………………………………………………
b. Titik C-D = ………………………………………………
3.
Dengan Menggunakan MiliAmperemeter :
a. Arus yang terukur = …………………………………
Jawaban Pertanyaan
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
Nama
NIM
: ……………………………………….
: ……………………………………….
A. Gambar Rangkaian
A
T1
4 x IN4001
C
mA
220V/6V
C1
R1
B
47uF/25V
220Ω/5W
D
B. Petunjuk
1. CH 1 CRO untuk mengukur titik A-B, CH 2 CRO untuk mengukur titik C-D
2. Pada saat kondisi beban terpasang, catat Vmaks dan Vmin pada gambar sinyal di CRO
VDC CRO = Vmaks – ((Vmaks – Vmin)/2)
3. Prosentase perbedaan = (|Teori – Praktek|/Teori) x 100%
C.
Pertanyaan
Cari prosentase perbedaan antara hasil teori dan hasil praktek, untuk :
1. Vpp AC
2. VDC tanpa beban
3. VDC berbeban
D. Pengukuran Rangkaian Penyearah Jembatan Tanpa Beban (mA & R1 dilepas)
1. Dengan Menggunakan CRO :
Gambar Sinyal Pada CRO (CH1 dan CH 2) :
Volt/Div CH 1 = ……………………..
Volt/Div CH 2 = ..……………………
Hasil Pengukuran CH 1 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
Hasil Pengukuran CH 2 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
2.
Dengan Menggunakan Voltmeter :
a. Titik A-B = ………………………………………………
b. Titik C-D = ………………………………………………
E.
Pengukuran Rangkaian Penyearah Jembatan Dengan Beban Terpasang (mA & R1 dipasang)
1. Dengan Menggunakan CRO :
Gambar Sinyal Pada CRO (CH1 dan CH 2) :
Volt/Div CH 1 = ……………………..
Volt/Div CH 2 = ..……………………
Time/Div = ..……………………
Hasil Pengukuran CH 1 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
Hasil Pengukuran CH 2 :
……………………………………………………………
……………………………………………………………
……………………………………………………………
Frekuensi yang terukur :
……………………………………………………………
……………………………………………………………
……………………………………………………………
F.
2.
Dengan Menggunakan Voltmeter :
a. Titik A-B = ………………………………………………
b. Titik C-D = ………………………………………………
3.
Dengan Menggunakan MiliAmperemeter :
a. Arus yang terukur = …………………………………
Jawaban Pertanyaan
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................
.............................................................................................................................................................