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2.The process supports design scales of 300 devices or 1000 pads
3.Supports simple circuit simulation
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2.Smooth support for design sizes of over 5,000 devices or 10,000 pads
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Ongoing
STD XA20
License: GPL 3.0
Mode: Editors' pick
- 0
Update time：
2020-10-05 05:16:31
Creation time：
2018-11-07 06:54:21
Description
20MHz temperature controlled frequency reference with resistive attenuator. Can generate 20MHz, 10MHz, 5MHz, 4MHz, 2MHz, 1MHz, 0.5MHz, and 0.1MHz.
Design Drawing
schematic diagram
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| ID | Name | Designator | Footprint | Quantity |
|---|---|---|---|---|
| 1 | Power | LED1 | LED-3MM/2.54 | 1 |
| 2 | LM1117MP-5.0NOPB | U2 | SOT-223 | 1 |
| 3 | LM1117MP-3.3NOPB | U1 | SOT-223 | 1 |
| 4 | 589L200X2ITT | TCXO1 | TCXO_SMD_7050 | 1 |
| 5 | 1N5819 | D1 | DO-41-FIXED | 1 |
| 6 | 910 | R14,R15,R6,R7,R31 | 1206 | 5 |
| 7 | 5R6 | R1,R2 | 1206 | 2 |
| 8 | 300 | R8,R9 | 1206 | 2 |
| 9 | 18 | R3 | 1206 | 1 |
| 10 | 150 | R10,R11 | 1206 | 2 |
| 11 | 36 | R4 | 1206 | 1 |
| 12 | 100 | R12,R13,R21,R22,R23,R24,R25,R26 | 1206 | 8 |
| 13 | 68 | R5,R16,R17,R18 | 1206 | 4 |
| 14 | 62 | R27,R28,R29,R30 | 1206 | 4 |
| 15 | 240 | R19,R20 | 1206 | 2 |
| 16 | Power | P1 | DC-072-165A | 1 |
| 17 | 100n | C10,C11,C4,C6,C5,C3,C2,C1 | 1206 | 8 |
| 18 | 22u | C9,C8,C7,C12,C13 | 1206 | 5 |
| 19 | BNCPTH | J1,J2 | BNC | 2 |
| 20 | 20MHz | J3 | BNC | 1 |
| 21 | 10MHz | J4 | BNC | 1 |
| 22 | 5MHz | J8 | BNC | 1 |
| 23 | 4MHz | J6 | BNC | 1 |
| 24 | 2MHz | J7 | BNC | 1 |
| 25 | 1MHz | J10 | BNC | 1 |
| 26 | 500KHz | J9 | BNC | 1 |
| 27 | 100KHz | J5 | BNC | 1 |
| 28 | 74HC390 | U6 | SOIC16N | 1 |
| 29 | 74ACT04 | U3 | SOIC14N | 1 |
| 30 | SLIDER_DPDT_V2 | SW1,SW2,SW3,SW4,SW5,SW7,SW8,SW9,SW10,SW11 | SLIDER_SWITCH_1 | 10 |
| 31 | T_V2 | SW6 | SLIDER_SWITCH_1 | 1 |
| 32 | 74AC74 | U4,U5 | SOIC14N | 2 |
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