UNO AD9851 VFO 回路図pdf 最近の更新履歴 JA2GQP' s Download site UNO AD9851 VFO　回路図

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5

A B C D E F G H

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2

3

4

5

A B C D E F G H

JA2GQP AD9851 DDS VFO

LPF 60Mhz

2015/1/20

1

2

3

channel

Arduino UNO R3

0

GND

VCC

SDA

SCL

LED

LCD 1602 I2C I/F Module

8V

1 VSS 2 VDD 3 VO 4 RS 5 R/W 6 E 7 DB0 8 DB1 9 DB2 10 DB3 11 DB4 12 DB5 13 DB6 14 DB7

BLA(+) 15

BLK(-) 16

SC162A

LCD 1 D3

2 D2 3 D1

5 PGND 6 PVCC

W_CLK 7

FQ_UD 8

REFCLOCK 9

10 AGND 11 AVDD 12 RSET

VOUTN 13

VOUTP

14 VINN ¹⁵

VINP ¹⁶ DACBP ¹⁷ AVDD ¹⁸ AGND ¹⁹ IOUTB ²⁰ IOUT ²¹ RESET ²² DVDD ²³ DGND ²⁴ D7 ²⁵ 4 D0

D6 ²⁶ D5 ²⁷ D4 ²⁸ AD9851

A0(DIO14) A1(DIO15) A2(DIO16) A3(DIO17) A4(DIO18)

A5(DIO19) RX(DIO0)

TX(DIO1) DIO2 DIO3 DIO4 DIO5 DIO6 DIO7 DIO8 DIO9 DIO10 DIO11 DIO12 DIO13 GND AREF SDA SCL

5V RESET 3.3V 5V GND GND Vin

ARDUINO_UNO R3

2SC1815

4.7k

4.7k 10k

Step RIT ^SPLIT

2 C 3 B 1 A

RE1120S 104

104

104

104 51 51

51

T37-6 8t

47p 47p 47p

103 T37-6

8t

47p 103

104

VddGND

Clock 32Mhz

TCXO

3.9k

GND DC in

TX

RFout

GND