AD9834 DDS VFO 最近の更新履歴 JA2GQP' s Download site AD9834 DDS VFO

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A B C D E F G H

JA2GQP

ATMEGA88-20PU

AD9834 DDS VFO

2013/7/5

改改改

2014/1/7  LPF ^{ｶｶｶｶﾊ周周周周周}

FSADJ 1

REFOUT 2

3 COMP

4 AVDD

5 DVDD

7 DGND CapV2.5 6

8 MCLK

9 FSEL

10 PSEL

RESET ¹¹ SLEEP ¹² SDATA ¹³ SCLK ¹⁴ FSYNC ¹⁵ SBOUT ¹⁶ VIN ¹⁷ AGND ¹⁸ IOUT ¹⁹ IOUTB ²⁰ AD9834

220

7 Vcc

8 GND 21 AREF

20 AVcc

22 AGND

PB5(SCK) ¹⁹ PB4(MISO) ¹⁸ PB3(MOSI/OC2) ¹⁷ PB2(SS#/OC1B) ¹⁶ PB1(OC1A) ¹⁵ PB0(ICP1) ¹⁴

PC5(ADC5/SCL) ²⁸ PC4(ADC4/SDA) ²⁷ PC3(ADC3) ²⁶ PC2(ADC2) ²⁵ PC1(ADC1) ²⁴ PC0(ADC0) ²³

PD7(AIN1) ¹³ PD6(AIN0) ¹² PD5(T1) ¹¹ PD4(XCK/T0) ⁶

PD3(INT1) ⁵ PD2(INT0) ⁴ PD1(TxD) ³ PD0(RxD) ² PB7(XTAL2/TOSC2)

10

PB6(XTAL1-in/TOSC1) 9

RESET#(PC6) 1

ATMEGA88

Step ^RIT 2SC1815

4.7k 104

4.7k

1S2076A

47 104 220

104 104 6.8k

103 104

104

103

10k

1 A

2 B

3 C EC16B

Encorder

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 103

2.2k

47 103

10k

2SC1815

104 104

INGNDOUT

7805 103

103

300 300

FB801 18

VddGND

Clock 50.000Mhz

TCXO

T37-6 11t

T37-6 11t

150p 300p 150p

TX

Vin

GND RFout

GND