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Sheet: arduino-nano
Arduino NANO

A A

File: arduino-nano.sch

Sheet: ad8307-600MHz
AD8307 600 MHz

File: ad8307-600MHz.sch

B B

C C

PA3CSG
Sheet: /
D File: AD8307-PWR-meter.sch D

Title: Power meter

Size: A4 Date: 24 feb 2014 Rev:
KiCad E.D.A. kicad 5.1.6-c6e7f7d87ubuntu18.04.1 Id: 1/3
1 2 3 4 5 6
 1 2 3 4 5 6

VCC

VCC

PTTTX
C23
100nF
A C15 10nF C16 100nF A

U5

27
17

30
RS485-module RS485-PTT

VIN
+5V
3V3
1
PTT TX
5 4 2
C8 C11 C13 28 2 RO VCC GND
RESET D0/RX RX 6 3 3
100nF 100nF 100nF 3 1 RE B B
RESET D1/TX TX 7 2 4
5 DE A A
D2 8 1
6 DI GND
D3 Spare-3 J6
AREF 18 AREF 7 RS485 module

Arduino_Nano_v3.x
D4 Spare-2
8
D5 Spare-1
19 9
UFWD A0 D6 Blowerctrl

A1
20 10
UREF A1 D7
21 11
UTEMP A2 D8
Spare inp 22 12
#4 = GND A3 D9
4 23 13 3MM LED
#3 = Spare inp. 1 A4 D10
3 24 14 2 1

VCC
or PTT A5 D11 1k PTTTX

2
2 25 15 D2
#2 = Spare inp. 2 A6 D12 R4 R6
1 26 16 Q2
B #1 = Spare inp. 3 A7 D13 150 B
3 BD139

GND
GND
C9
J2 C6 C20
100nF 100nF

1
C19
100nF 100nF

29
GEN-AL

4
100nF
VCC
C18 4
C7
3
VCC
100nF RX connection TFT
2
TX
1

U1 J3
3k9

R1
LM336_LT1009

AREF 2 3
10nF
100nF Temp
1

C2
100nF 1
C26
GND
2
C24
VCC
+5V
3
UTEMP LM35 temp sens.
4
Neg-Blower Neg Blower
100nF
C J4 C
VCC
Neg-Blower Not on board! C25
100nF

R3 Alarm-Spare
2

LM35 C28 1
Q1 220ohm R5 Spare-1 Spare-1
Blowerctrl 560
3 2
R2
BD139 1 3 1k2 UTEMP Spare-2 Spare-2
C14 100nF 3
Spare-3 Spare-3
1

C3 C5
2

100nF 4
C17 GEN-AL General Alarm
100nF 10uF 10nF U4 C21 C27
100nF J5
C22
100nF

U2
L7805
VCC
2 1 3
IN OUT
1N4001

GND

1
D1

J1
2

PWR_FLAG
Sheet: /arduino-nano/
D C10 C12 File: arduino-nano.sch D
C1 C4
10 uF 1nF
100nF 220uF Title:
Size: A4 Date: Rev:
KiCad E.D.A. kicad 5.1.6-c6e7f7d87ubuntu18.04.1 Id: 2/3
1 2 3 4 5 6
 1 2 3 4 5 6

Vcc-AD8307

C35
15pF

FWD

4.7
C30 C33 R15
10nF 10nF
P1 SMA R9 See text
1 180
A L2 A

8
7
6
5
5
4
3
2
470

68

68
R7 R11
R13

en
in
vcc

int
AD8307
17 dB pad UFWD
U6
UREF

com

out
Off
in
FWD
U8B
- LM358
L2 & L3 are 3 turn on 5mm. These may be aligned for best performance. J7

1
2
3
4
R20
6
- O 1k
FWD
1k5
+
5
+ 7
C42
1

2 REF
10nF 10nF R17
3 GND

VCC
100nF
C37 C39 4 +5V
Ext. Detect
B B

Vcc-AD8307

4.7
C36 R16
15pF
REF
C31 C34
L3
10nF 10nF
P2 SMA R10 see text
1 180

8
7
6
5
5
4
3
2

470
68

68

R8 R12
R14

en
in
vcc

int
VCC
AD8307
17 dB pad
C C
U7
com

Attenuator values
out
Off
in

U8A REF

V+
17dB: 1 x 68 Ohm parallel, 1 x 180Ohm, 1 x 68 Ohm -

8
LM358 R19
2
-
1
2
3
4

O 1k
19dB: 2 x 120 Ohm parallel, 1 x 270Ohm, 2 x 120 Ohm parallel + + 1
C41
1k5

V-
3

4
C38 C40 R18
21dB: 2 x 120 Ohm parallel, 1 x 220Ohm, 2 x 120 Ohm parallel 10nF 10nF 100nF

VCC
INDUCTOR

L1
Vcc-AD8307
100nF 10nF

C29 C32
Sheet: /ad8307-600MHz/
D File: ad8307-600MHz.sch D

Title:
Size: A4 Date: Rev:
KiCad E.D.A. kicad 5.1.6-c6e7f7d87ubuntu18.04.1 Id: 3/3
1 2 3 4 5 6