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STD TRX Super21 frontend

License: GPL 3.0

Mode: Editors' pick

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Update time： 2023-05-29 11:15:45
Creation time： 2021-04-22 18:52:21
Description

Transceiver fronend with single/dual conversion.

Full description on Super21 project homepage

Design Drawing
schematic diagram
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PCB
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BOM
BOM download Purchase Parts
ID Name Designator Footprint Quantity
1 0.1 C69,C61,C62,C55,C58,C59,C85,C3,C7,C9,C14,C10,C22,C6,C12,C17,C13,C4,C1,C45,C49,C21,C23,C40,C75,C53,C78,C65,C71,C73,C57,C66,C68,C72,C74,C34,C38,C41,C28,C36,C35,C39,C44,C26,C2,C48,C47,C54,C31,C86,C100,C99,C101,C98,C92,C95,C94,C87 0805 58
2 51 R43,R15,R13,R39,R19,R22 0805 6
3 10u C60,C51,C97,C82 0805 4
4 3k3 R42,R40 0805 2
5 IFTX P8 HDR-2X1/2.54 1
6 IFRX P7 HDR-2X1/2.54 1
7 FSA3157 U16,U17,U5,U1,U10,U2,U4,U13,U15,U8,U20,U22,U21,U23,U24 SC70-6 DOT 15
8 680 R41 0805 1
9 3.14uH L11 AXIAL-0.4 1
10 12 C29,C52 0805 2
11 270 R48,R3,R44,R46,R5,R1 0805 6
12 33* C30,C50 0805 2
13 10k R51,R52,R31,R34,R23,R24,R61,R60,R55 0805 9
14 330 R6,R47,R25 0805 3
15 47 R4,R49,R26 0805 3
16 4k7 R16,R17,R36,R37,R18,R20,R33,R50,R56,R53 0805 10
17 100 R14,R9,R7,R10,R12,C67,R38,R21 0805 8
18 RF In P1 HDR-2X1/2.54 1
19 68 R8,R11 0805 2
20 0.01 C46,C42,C25,C43,C56 0805 5
21 1n3 C63 0805 1
22 20 R45,R2 0805 2
23 33 C27,C32,C102,C103 0805 4
24 588nH L7,L5 AXIAL-0.4 2
25 560 R35 0805 1
26 240nH L10 AXIAL-0.4 1
27 IF P6 HDR-2X1/2.54 1
28 150 C64,C70,C37,C33,C11,C16 0805 6
29 1k R29,R62 0805 2
30 300nH L4,L1 AXIAL-0.4 2
31 180 C20,C15 0805 2
32 82 C24,C5 0805 2
33 200 C19 0805 1
34 363nH L3,L2 AXIAL-0.4 2
35 22 C8 0805 1
36 10 C18 0805 1
37 RF Out P2 HDR-2X1/2.54 1
38 150k R27,R58,R57,R54 0805 4
39 BSS138 Q1,Q6,Q5,Q2 SOT-23-3 4
40 22uH L9,L8 AXIAL-0.4 2
41 68* R30,R28 R_AXIAL-0.4 2
42 2k7 R32 0805 1
43 T37_AUTOTRANSFORMER T1,T2 T37_AUTOTRANSFORMER 2
44 BGA614 Q10,Q9 SOT343 2
45 T50_TRIFILAR_TRANSFORMER U14,U19 BN_61_2402_TRANSFORMER 2
46 AD831AP U18,U6,U3 PLCC-20_L9.0-W9.0-P1.27-LS10.0-T 3
47 M45B4 U7,U12 M45B4 2
48 ERA-4SM U11,U9 WW 2
49 JML06-1-30P C77,C76 CAP-TH_JML06-1 2
50 45M7B QF1,QF4,QF3,QF2 UM1 4
51 74LVC1G04W5-7 U29 SOT-25_L3.0-W1.6-P0.95-LS2.8-BL 1
52 +12V P5 HDR-2X1/2.54 1
53 VFO1 P3 HDR-2X1/2.54 1
54 VFO2 P4 HDR-2X1/2.54 1
55 LL4148 D2,D1 LL-34 2
56 AMS1117-3.3 U28 SOT-223-3LEAD_TABPIN2 1
57 0.1u C84,C83,C81,C79,C80 0805 5
58 2k2 R59 0805 1
59 47u C96 CAP-D5.0XF2.0 1
60 470u C90 CAP-D8.0XF3.5 1
61 SI570 U25 OSCILLATOR_SMD_SI570_SI571_HANDSOLDERING 1
62 SI2301 Q3,Q4,Q7,Q8 SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR 4
63 HDR-M-2.54_1x6 J1 HDR-M-2.54_1X6 1
64 BLM21BD102SN1D L6 0805 1
65 78L05 U27 SOT-89(SOT-89-3) 1
66 I2C J2 HDR-M-2.54_1X3 1
67 7809 U26 TO-220(TO-220-3) 1

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