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STD Regen Radio Experimenal
License: Public Domain
Mode: Editors' pick
- 0
Update time：
2022-11-02 23:00:55
Creation time：
2020-04-28 19:28:33
Description
A well known regenerative radio design using 2N2222 transistor and silicon diode as AM envelope detector.
Also variants on some regenerative designs. Experimental.
Some circuits require a high skilled builder and knowledge of trasistor biasing.
AM RF. Radio circuits.
Design Drawing
schematic diagram
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Regen 1 - The Start
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Regen 2 - Simple
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Regen 3 - More stations
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Sheet_1
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SW Crystal Radio 4 - RF Amplifier
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Audio Amps
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Regen 4 with RF Amp
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Regen 5 - Multiband
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Regen 6 - Sputnik
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Regen 8 - NGP v2
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Regen 7 - NGP v1
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PCB
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| ID | Name | Designator | Quantity |
|---|---|---|---|
| 1 | 9V DC | B1 | 1 |
| 2 | 2.2n | C1,C1 | 2 |
| 3 | 10u | C2 | 1 |
| 4 | 0.47u | C3,C8 | 2 |
| 5 | 1u | C4,C15,C1,C2,C21 | 5 |
| 6 | 4.7u | C5,C13 | 2 |
| 7 | 0.22u | C5 | 1 |
| 8 | 2.2u | C8,C16,C19 | 3 |
| 9 | 47nF | C9 | 1 |
| 10 | 0.1u | C10,C11,C12,C30,C31 | 5 |
| 11 | Audio Output | CN1,CN3 | 2 |
| 12 | variable_capacitor | CV1,TRIMMER1,TRIMMER2,5-1PF | 4 |
| 13 | 1N4148 | D1,D3 | 2 |
| 14 | 80T | FERRITE_ANTENNA | 1 |
| 15 | 30T | L2 | 1 |
| 16 | 2N2222 | Q3,Q4,Q1,Q2,Q5,Q6,Q7,Q12 | 8 |
| 17 | 470k | R5,R9,R12,R14,R15 | 5 |
| 18 | 4.7k | R6,R37 | 2 |
| 19 | 1k | R7,R10,R1,R8,R13,R34,R2,R17,R18,R19,R20,R21,R35,R15 | 14 |
| 20 | 270 | R10,R15 | 2 |
| 21 | 5.6k | R11 | 1 |
| 22 | SWITCH_01 | S1,S2,S3 | 3 |
| 23 | 100U | C2 | 1 |
| 24 | 1nF | C6,C7 | 2 |
| 25 | 22nF | C9 | 1 |
| 26 | 15T | L2 | 1 |
| 27 | 100k | R2,R7 | 2 |
| 28 | 10k | R3,R6,R46,R48 | 4 |
| 29 | 2.2k | R4,R35,R40 | 3 |
| 30 | 50K | REGEN-ADJ | 1 |
| 31 | 1n | C14,C28 | 2 |
| 32 | ROJO | LED1 | 1 |
| 33 | 680k | R12,R14 | 2 |
| 34 | 750 | R16 | 1 |
| 35 | 100k | RP1 | 1 |
| 36 | Dipole 49 mts | AERIAL,AERIAL1,ANTENA | 3 |
| 37 | 5T | AIR_CORE,L1,L2,L3 | 4 |
| 38 | 100pF | C11 | 1 |
| 39 | 100pF | C23,C24,C37,C38 | 4 |
| 40 | 0.1u | C25,C27,C34 | 3 |
| 41 | 1000pF | C26 | 1 |
| 42 | 10k | GAIN,GAIN1 | 2 |
| 43 | 4T | L1,L4,L3,L8,L2 | 5 |
| 44 | 20T | L2 | 1 |
| 45 | BNC | P1,P2,P4 | 3 |
| 46 | 2N3904(SOT-23) | Q9,Q10,Q2 | 3 |
| 47 | MPF102 | Q11 | 1 |
| 48 | 100 | R27,R44,R49 | 3 |
| 49 | 330 | R28,R43 | 2 |
| 50 | 15k | R29,R42 | 2 |
| 51 | 1k | R30,R41 | 2 |
| 52 | 47 | R31 | 1 |
| 53 | 2.2k | R32,R39 | 2 |
| 54 | 6.8k | R33,R38 | 2 |
| 55 | REG 7805 | U3 | 1 |
| 56 | 0.22u | C10 | 1 |
| 57 | 470p | C12 | 1 |
| 58 | 4.7n | C14 | 1 |
| 59 | 470u | C15 | 1 |
| 60 | 22p | C28,C39 | 2 |
| 61 | 47n | C32,C29,C33 | 3 |
| 62 | ANTENA | COAX | 1 |
| 63 | 5-40pF | CV2 | 1 |
| 64 | 15-150pF | CV3 | 1 |
| 65 | 14T | L2,L1 | 2 |
| 66 | 3T | L3 | 1 |
| 67 | J310 | N-JFET | 1 |
| 68 | 47 | R13 | 1 |
| 69 | 10M | R36 | 1 |
| 70 | 2.2m | RF_CHOKE | 1 |
| 71 | 1K Regen | RP2 | 1 |
| 72 | SEL. BANDA | S4,S5,S6,S7 | 4 |
| 73 | 78L05 | U4 | 1 |
| 74 | BEEPER 5V | BA1 | 1 |
| 75 | 1N4007W | D1 | 1 |
| 76 | LED-0603_R | LED1 | 1 |
| 77 | TRANSISTOR_NPN2N3904 | Q1 | 1 |
| 78 | 560 | R1 | 1 |
| 79 | SIN(0 1 2) AC 1 0 | V1 | 1 |
| 80 | LM324 | U1,U2 | 2 |
| 81 | 1N60 Ge | D1 | 1 |
| 82 | 1.5k | R7 | 1 |
| 83 | 3V DC | B2 | 1 |
| 84 | 6V DC | B3 | 1 |
| 85 | 0.01u | C17 | 1 |
| 86 | 0.22u | C18 | 1 |
| 87 | 3800pF | C20 | 1 |
| 88 | 47u | C22 | 1 |
| 89 | TIP42 | Q8 | 1 |
| 90 | 5.6k | R22 | 1 |
| 91 | 680k | R23 | 1 |
| 92 | 270 | R24 | 1 |
| 93 | 1.7k | R25 | 1 |
| 94 | 2.2M | R26 | 1 |
| 95 | 8 Ohm | SP1,SP2 | 2 |
| 96 | 33nF | C4 | 1 |
| 97 | 1u | C10 | 1 |
| 98 | 100nF | C30,C32 | 2 |
| 99 | 4.7nF | C31 | 1 |
| 100 | 47n | C35 | 1 |
| 101 | 33n | C36 | 1 |
| 102 | 20-220pF | CV4 | 1 |
| 103 | BAT46 | D2 | 1 |
| 104 | 9T | L4,L5 | 2 |
| 105 | 10T | L6,L7 | 2 |
| 106 | 2N3904 | Q1 | 1 |
| 107 | 220 | R13 | 1 |
| 108 | 100 | R35 | 1 |
| 109 | 470 | R37 | 1 |
| 110 | 47k | R45 | 1 |
| 111 | 8.6k | R47 | 1 |
| 112 | 3.3mH | RF_CHOKE | 1 |
| 113 | 10K Regen | RP2 | 1 |
| 114 | 78L06 | U4 | 1 |
| 115 | 9V'14 DC | B1 | 1 |
| 116 | 220pF | C34 | 1 |
| 117 | 100n | C35 | 1 |
| 118 | 330pF | C37,C38 | 2 |
| 119 | 100nF | C40,C41 | 2 |
| 120 | 500 | GAIN2 | 1 |
| 121 | 4.7k | R38 | 1 |
| 122 | 12k | R39,R41 | 2 |
| 123 | 3.3k | R42 | 1 |
| 124 | 220 | R43 | 1 |
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