Nano VFO 3.1

11 months ago

Profile:Powerfull digital VFO for homebrew tranceiver

Open source license: GPL 3.0

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Description

CPU: Atmega328P

PLL: Si5351 and/or Si570

Display: OLED 1.3" 128/132x64, OLED 0.96" 128x64

Encoder: mechanic rotary encode

Keypad: 4 buttons

Support different TRX architecture: single  IF superheterodyne, direct conversion with quadrature output.

Builtin CW key: auto/iambic mode, 2 phrase memory, morse decoder VFOA/B, SPLIT, calibrated S-meter.

Support CAT (KENWOOD protocol) Control attenuator, LNA, 5 band BPF without decoder and 16 band with external decoder

Firmware is opensource and available on github

For more details visit to project homepage http://dspview.com/viewtopic.php?t=277

Documents

BOM

ID Name Designator Footprint Quantity
1 0.1 C63 C0603 1
2 100u C7,C17 CAP-D6.3XF2.5 2
3 Key 1 SW-5SWITCH,SW-4SWITCH,SW-3SWITCH,SW-2SWITCH SW4-6.2X6.2X5.0MM DIP BUTTON 4
4 0.1u C11,C4,C14,C1,C9,C2,C6,C5,C10 0805 9
5 Si5351A-A-GT U2 MSOP10 1
6 0.01 C13,C12 0805 2
7 0.1 C3,C65,C64 0805 3
8 ATMEGA328_TQFP U18 TQFP32 1
9 10k R33 R0603 1
10 16MHz Y1 3213 1
11 10u C66 0805 1
12 CH340G U17 SOIC-16_150MIL 1
13 1u C15 0805 1
14 1k R32,R30 R0603 2
15 12MHz Y2 3213 1
16 4k7 R11,R10 0805 2
17 470u C8 CAP-D6.3XF2.5 1
18 AMS1117-5.0 U6 SOT-223-3LEAD_TABPIN2 1
19 Power 6V..12V P8 HDR-2X1/2.54 1
20 AMS1117-3.3 U10 SOT-223-3LEAD_TABPIN2 1
21 25MHz XTAL1 HC-49U-PTH 1
22 Enable Ext Power P1 HDR-2X1/2.54 1
23 74HC595 U3 SOP-16_150MIL 1
24 I2C Ext H4 DIP-1X4P-2.54MM-M 1
25 VFO Out J3 HDR-M-2.54_2X3 1
26 Bands J2 HDR-M-2.54_2X5 1
27 micro USBFemale USB1 MICRO-USB-1 1
28 XO 25MHz X1 7050 1
29 DS3231 U9 SO16W 1
30 WIRE_CONNECTION_III_RevE_Date15jun2010 WC1 0805 1
31 OLED 1.3" DISP1 SSH1106 1.3IN 128X64 I2C (HOLES) 1
32 33k R15 0805 1
33 10k R3,R20,R2 0805 3
34 15k R16 0805 1
35 1k R4 0805 1
36 5k6 R17 0805 1
37 2k2 R18 0805 1
38 47k R1 0805 1
39 26MHZ X4 OSC 2520 4P/6P 1
40 Ctrl J1 HDR-M-2.54_2X8 1
41 Encoder SW1 BOURNS_PEC11R-4XXXF-SXXXX 1
42 MINI360BUCK U20 MINI360BUCK 1
43 CR2032-BS-2-1 B1 BAT-TH_BS-2-1 1

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