SP8858
F
F
PD
REF
C4
C6
R12
R13
R1
15V
1V
OP
15V
−
+
OP27
R2
R10
15V
2V
OP
21
20
CONTROL
26 25
5
4
24
POWER
DOWN
33p
6
33p
27
10MHz
15V
MURATA
MQE001-1016
VCO
13
SP8858
F1/F2
Alternative reference oscillator
100n
40MHz
REFERENCE
OSCILLATOR
R7
RF INPUT
SMA
20
C43
SMA
SMA
R6
R5
(INADVERTENTLY
LABELED R9
ON BOARD)
10
11
28
16 15 14
C40
C32
LINK TO
COMPLETE
PLL
DATA
NOTES
1. PINS 1, 3, 17 AND 21 ARE NC
CLOCK
ENABLE
2. PINS 2, 7, 11, 12, 19, AND 22 = GND
3. PINS 8, 9, 18 AND 23 = 15V
4. DECOUPLING CAPACITORS NOT SHOWN
5
4
6
HC20
2
1
LOGIC ‘1’
1
CLR
SEND
2
3
5
C14
R3
D
Q
1
2
HC74
CLK
PRE
15V
3
3
HC08
HC00
7
11
3
11
LOAD
HC193b
R4
4
4
5
Q
LOAD
HC193a
Q
D
A
5
12
5
1
2
6
LOGIC ‘1’
HC08
UP
CO
UP
A
B
C
D
A
B
C
D
OSC
1MHz CLK
15
1
10
9
15
1
10
9
9
10
HC00
8
TO SHIFT
REGISTER
d, e AND f
2
1
2
1
2
1
CLK
SH/LD
CLK
SH/LD
CLK SH/LD
HC165a
Q
H
10
9
10
9
10
9
SER
SER
SER
HC165c
Q
H
HC165b
Q
H
A
B
C
D
E
F
G
H
A
B
C
D
E
F
G
H
A B C D E F G H
11 12 13 14
3
4
5
6
11 12 13 14
3
4
5
6
11 12 13 14
3
4
5
6
15V
15V
15V
SILc
SILb
SILa
FROM SECOND
PROGRAMMABLE
SHIFT REGISTER
d, e AND f
SWITCHc
SWITCHb
SWITCHa
CIRCUIT IN DOTTED LINES IS DUPLICATED
Fig. 12 SP8858 demonstration board
12
ZARLINK [ ZARLINK SEMICONDUCTOR INC ]
