11
74AC04N
OUT
9
74AC04N
330p
100
8
74AC04N
F1
C6
2.5A F
330p
R10
GND
4
LED1
on
3
C1
C2
100u
100n
GND
IC1B
10 MHz
GND
+
IC1D
10
VDD
D1
1N4004
IC1E
12
L1
Out TTL
GND
74AC04N
IC1A
1
GND
2
Out TTL
74AC04N
14
CLR
QA
QB
QC
QD
V+
14
13
74AC390N
VDD
U1D
LM324
12
9
470
R8
C4
A
B
8
13
11
10
9
Q1
BC548
27k
GND
GPS 1PPS
A
B
100n
2
CLR
QA
QB
QC
QD
74AC390N
3
4
CIN
PP
VCOOUT PC1
1
2
14
SIGIN
13
PC2
IC3B
A
B
14
CLR
QA
QB
QC
QD
13
11
10
9
1M
5
6
CX
7
5
11
12
CX
INH
R1
R2
VCOIN
9
DEMO
ZEN
10
15
C3
47u
4046N
74AC390N
GND
U1B
LM324
7
R2
GND
15
12
22k
R3
C9
3
5
6
7
R11
22k
R6
1M
GND
8
IC3P
1
4
IC4
+
VCC
16
R7
IC3A
LED3
1PPS
IC2B
15
12
GND
U1C
LM324
10
VDD
470
74AC390N
GND
VDD
100n
R12
CLR
C10
U1P
LED2
PLL Lock
2
VDD
3
5
6
7
470n
100n
QA
QB
QC
QD
V-
A
B
11
C8
4
IC2A
1
4
1k2
GND
IC2P
8
VDD
VCC
16
VDD
R4
VSS
13
C5
+5V
Out Sin
470
IC1F
8
7
R9
74AC04N
1
R5
CON
2k2
VDD
1u
R1
QG1
14
100
6
10n
5
Vfc
C7
IC1C
VDD
GND
6
GND
Vfc
IZ8EWD
Out 5MHz
GPS 10kHz
1