6 Watt Frequency Modulation (FM) Broadcast Amplifier
Component list
Quantity | Component parameters and description | Numbering |
2 | 470 pF mica capacitor | C1, C5 |
1 | 75 pF mica capacitor | C2 |
1 | 39 pF mica capacitor, or 25-80p mica trimmer capacitor | C3 |
1 | 12 pF mica capacitor, or 10-50p mica trimmer capacitor | C4 |
2 | 0.001 uF porcelain dielectric capacitor (marked 102, .001, or 1n) | C6, C8 |
2 | 0.1 uF ceramic dielectric capacitor (marked 104, .1, or 100n) | C7, C9 |
1 | 22 uF electrolytic capacitor (note the positive and negative levels) | C10 |
1 | A hollow coil with a diameter of 1.2mm copper wire and a diameter of 6.5mm 1 turn | L1 |
1 | 1 uH choke inductor (RF choke) | L2 |
1 | A hollow coil wound with a 1.2mm diameter copper wire is 6.5mm in diameter and 2 turns elongated to 4mm | L3 |
1 | A hollow coil wound with a 1.2mm diameter copper wire is 6.5mm in diameter and 3 turns elongated to 6mm | L4 |
2 | A hollow coil wound with a copper wire with a diameter of 0.8mm has a diameter of 6.5mm and 5 turns elongated to 8mm | L5, L6 |
1 | 56 ohm resistor put a magnetic bead on the base end of Q1 | R1 |
1 | 2SC1971 RF transistor | Q1 |
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[Photo] 40 Watt Frequency Modulation (FM) Broadcast Amplifier
Indicators and characteristics of the circuit: component list
Published on 2006-04-15 20:51 • 272 views
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