6-digit digital frequency meter-P2

Ongoing

STD 6-digit digital frequency meter-P2

License: Public Domain

Mode:

Editors' pick

Update time： 2023-01-15 19:10:54

Creation time： 2022-01-08 09:56:39

Description

Digital frequency meter form, P2

Design Drawing

schematic diagram

（ 1 / ）

PCB

（ 1 / ）

The preview image was not generated, please save it again in the editor.

BOM

ID	Name	Designator	Footprint	Quantity
1	10nF	C1,C4,C5,C7,C8,C10,C11,C12,C17,C18,C19,C23	C1206	12
2	47pF	C2	C1206	1
3	10-40pF	C3	CAP-TH_JML06-1	1
4	10uF	C6	CAP-SMD_BD8.0-L8.3-W8.3-LS9.3-FD-1	1
5	100nF	C9,C21,C25,C29,C30,C31,C35	C1206	7
6	10uF	C13,C14,C15	CAP-SMD_L3.2-W1.6-R-RD	3
7	47uF	C16,C22	CAP-SMD_L3.5-W2.8-R-RD	2
8	1nF	C20,C26	C1206	2
9	470nF	C24	C1206	1
10	1N4148W	D1,D2,D3,D4,D5,D6,D7,D8	1N4148-SMD-KALIKYAN	8
11	DZ5V6	D9	DO-41_BD2.4-L4.7-P8.70-D0.9-RD	1
12	Conector 33	J1	CONECTOR 33	1
13	Int.A	J2	CONN-SMD_KH-SMA-KE8-G	1
14	Int.B	J3	CONN-SMD_KH-SMA-KE8-G	1
15	10uH	L1,L2	L1206	2
16	+5V	P1	DC-IN-TH_DC-005-5A-2.0	1
17	BC847	Q7,Q8,Q9	SOT-23-3_L2.9-W1.3-P1.90-LS2.4-TR	3
18	BF998E	Q10	SOT-143_L2.9-W1.3-P1.92-LS2.3-BL	1
19	2SC3356	Q11,Q12	SOT-23-3_L2.9-W1.3-P1.90-LS2.4-BR	2
20	10k	R1,R5,R6,R7,R8,R10,R23	R1206	7
21	10M	R2,R3	R1206	2
22	220	R4,R32	R1206	2
23	8k2	R9,R34	R1206	2
24	10K	R11,R21,R28,R29,R35	R1206	5
25	330	R12,R13,R30,R31,R33	R1206	5
26	15k	R25	R1206	1
27	33	R26	R1206	1
28	74HC390	U1,U2,U3,U4,U5,U6,U15,U21	SOIC-16_L9.9-W3.9-P1.27-LS6.0-BL	8
29	U664B	U13	DIP-8_L10.1-W6.3-P2.54-LS7.6-BL	1
30	SN74HC00	U16	SOP-14_L8.6-W3.9-P1.27-LS6.0-BL	1
31	SN74HC00N	U17	SOP-14_L8.6-W3.9-P1.27-LS6.0-BL	1
32	74HC107	U18,U19	SOIC-14_L8.7-W3.9-P1.27-LS6.0-BL	2
33	74HC00	U22	SOP-14_L8.6-W3.9-P1.27-LS6.0-BL	1
34	4.0MHz	X1	HC-49US_L11.5-W4.5-P4.88	1