SIMPLE_DC_RX

1 year ago 149
  • Description
  • Documents
  • BOM
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Description

Приемник прямого преобразования.

Использовата типовая схема со смесителем SA612.

Схема ГПД взята отсюда - http://cxema.my1.ru/publ/radiosvjaz/radioperedatchiki/prijomnik_na_diapazon_160_metrov/58-1-0-4042

Диапазонные полосовые фильтры на все диапазоны взяты отсюда - https://vpayaem.ru/df1.html

Цель проекта, сделать простой и МАЛЕНЬКИЙ приемник, с минимум настроечных элементов.

Documents

Sheet_1

DC_RX_002_PCB

BOM

ID Name Designator Footprint Quantity
1 ANT ANTENNA CON-SMA-L 1
2 16pf C4 CAP-CBB-7.2*2.5 1
3 180pf C6,C7,C11,C14 CAP-CBB-7.2*2.5 4
4 100pf C9 CAP-CBB-7.2*2.5 1
5 680pf C10,C12 CAP-CBB-7.2*2.5 2
6 1800pf C13 CAP-CBB-7.2*2.5 1
7 10nf C8,C15 CAP-CBB-7.2*2.5 2
8 100nf C1,C2,C3,C5,C16,C18,C19 CAP-CBB-7.2*2.5 7
9 100uF C17,C20 CAP-TH_BD8.0-P2.50-D1.0-FD 2
10 1000pf C21 CAP-CBB-7.2*2.5 1
11 47nf C35 CAP-CBB-7.2*2.5 1
12 10uF C37,C38 CAP-TH_BD8.0-P2.50-D1.0-FD 2
13 BB910 D1 BB910_TO92 1
14 1N4001 D3 DO-41_BD2.4-L4.7-P8.70-D0.9-RD 1
15 dc-005 5.5-2.0 DC1 DC-IN-TH_DC005 1
16 34uH L2 BL02RN2R1M2 1
17 10uH L1,L3,L4 BL02RN2R1M2 3
18 1uH L5 ADJUSTABLE_INDUCTANCE_5X5 1
19 PHONE PHONE1 AUDIO-TH_PJ-307G5 1
20 68K R1 RES-TH_BD1.7-L3.5-P7.50-D0.5 1
21 10 R2,R6,R7 RES-TH_BD1.7-L3.5-P7.50-D0.5 3
22 10K R3,R4 RES-TH_BD1.7-L3.5-P7.50-D0.5 2
23 47K TUNE WH148-1A-2B 1
24 SA612A U1 DIP8 1
25 78L06 U4 TO-92-3_L4.9-W3.7-P2.54-L 1
26 LM386N U5 DIP-8_L9.7-W6.4-P2.54-LS7.6-BL 1
27 10K VOL WH148-1A-2B 1

Attachments

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