gErObAk sAyUr: AUDIO SCHEMATIC FOR HAM PROJECT

Beberapa Skema rangkaian elektronik audio, dan teknik wiring audio prosesor menuju radio, mungkin ada yang berguna atau membutuhkan silahkan di pelajari sebelum dirangkai.

Good Luck!!

WIRING AND RFI BLOCKING TECHNIQUE

Dari audio prosesor menuju radio, beberapa merk dan teknik input audio ke pesawat radio.

Rangkaian - rangkaian elektronika analog dan digital.

MINI ENCYCLOPEDIA

1 cm = 10 mm
1 feet = 30.48 cm
1 inch = 2.540 cm
1 meter = 1.094 yards
1 db = 1.122 (Volt/Current Ratio)
1 db = 1.259 (Power Ratio)
10 db = 3.162 (Volt/Current Ratio)
10db = 10 (Power Ratio)

1 nano farad (nf) = 1000 pico farad (pf)
1 mikro farad (uf) = 1000 nano farad (nf)

urutan warna pada resistor :
0. hitam
1. coklat
2. merah
3. orange
4. kuning
5. hijau
6. biru
7. ungu
8. abu-abu
9. putih
warna gold = toleransi 5% +/-
warna perak = toleransi 10 % +/-

Nilai Resistive relatif logam :
(dibandingkan tembaga)
1. Alumunium : 1.6
2. Emas : 1.4
3. Besi : 5.68
4. Nikel : 5.1
5. Perak : 0.94
6. Baja : 7.6 - 12.7
7. Kuningan : 3.7 - 4.9

Nilai Velocity Kabel Coaxial :
1. RG-6 Belden 8215 = 75 ohm = 66
2. RG-8 TMS LMR400 = 50 ohm = 85
3. RG-8 Belden 9913 = 50 ohm = 84
4. RG-8 Belden 9914 = 50 ohm = 82
5. RG-8 Belden 8237 = 52 ohm = 66
6. RG-11 Belden 8213 = 75 ohm = 78
7. RG-11 Belden 8238 = 75 ohm = 66
8. RG-58 Belden 8240 = 53.5 ohm = 66
9. RG-58A Belden 8219 = 50 ohm = 78
10. RG-213 Belden 8267 = 50 ohm = 66
11. RG-214 Belden 8268 = 50 ohm = 66
12. LDF4-50A Heliax 1/2"= 50 ohm = 88
13. LDF5-50A Heliax 7/8"= 50 ohm = 88
14. TV Twinlead = 300 ohm = 80
15. Open wire line = 600 ohm = 92

Kecepatan Gelombang Radio
= 299.792.077 ~ 300.000.000 meter/detik
= kecepatan cahaya

Gain antena
1. Ground plane = 0.3 dbi / -1.8dbd (dipole)
2. Half wave dipole = 2.1 dbi / 0 dbd
3. 5/8 wave = 3.3 dbi / 1.2 dbd
4. quad loop = 4.1 dbi / 2.0 dbd
5. Yagi 2 elemen = 7.1 dbi / 5.0 dbd
6. quad 2 elemen = 9.1 dbi / 7.0 dbd

UKURAN KAWAT EMAIL INTERNASIONAL

AWG - SWG - mm
1 ---1- 7.348
2 ---3- 6.544
3 ---4- 5.827
4 ---5 - 5.189
5 ---7- 4.621
6 ---8- 4.115
7 ---9 -3.665
8 --10- 3.264
9 -- 11- 2.906
10- 12- 2.588
11- 13- 2.305
12 -14- 2.053
13 -15- 1.828
14 - 16- 1.628
15- 17- 1.450