ozQRP DDS VFO, Construction Manual

Page: 7 / 14

DDS VFO Construction Manual – Issue 1 Page 7
3 P
ARTS
L
IST
Quantity Comment Designator
2 47pF 50V disc ceramic C15, C17
1 150pF 50V disc ceramic C16
1 1nF 50V disc ceramic C11
3 10nF 50V monolithic ceramic C7, C8, C12
10 100nF 50V monolithic ceramic C2, C3, C4, C5, C6, C9, C10, C13, C14,
C18
1 10uF 25V RB electrolytic C1
1 39R 1/4W 1% resistor R9
1 100R 1/4W 1% resistor R8
3 200R 1/4W 1% resistor R12, R13, R14
1 5.6K 1/4W 1% resistor R11
5 10K 1/4W 1% resistor R2, R4, R6, R7, R10
3 30K 1/4W 1% resistor R1, R3, R5
1 10K horizontal trimpot VR1
1 ATmega8-16PU 28pin DIP U1
1 AD9834BRUZ DDS 20 pin TSSOP U2
1 7805 5V regulator TO220 VREG1
1 50MHz crystal oscillator module - half
size
XO1
1 16 x 2 LCD with backlight. 80mm x
36mm. Winstar WH1602B or
equivalent.
LCD1
2 4.7uH moulded RF choke L1, L2
1 3 pin x 2 row 2.54mm pitch header HDR1 (ISP)
1 11mm Rotary Encoder.
BI Technologies EN11-HSB1AF30 or
equivalent
RE1
1 4 pin 2.54mm pitch header RA SK1 (PWR)
1 2 pin 2.54mm pitch header RA SK2 (OUT)
4 12mm long 3mm nylon spacer
4 2.5mm x 20mm screws
4 2.5mm nuts
1 16 way SIL male pin header
1 16 way SIL female pin header