SP8714 Zarlink Semiconductor, SP8714 Datasheet - Page 4

• Manufacturer Part Number: SP8714
• Description: Very Low Current Multi-Modulus Divider
• Manufacturer: Zarlink Semiconductor

SP8714
4
MONITOR
SOURCE
SIGNAL
50Ω
50Ω
S11
PLOT 50 OHM
NORMALISED
f1: 130MHz
f2: 2.49GHz
-j0.2
j0.2
Fig. 6 Typical S11 parameter for pin 1. V
1n
1n
10n
-j0.5
j0.5
CONTROL 1 INPUT
Fig. 5 Toggle frequency test circuit
MODULUS
0.2
RF INPUT
RF INPUT
V CC
MC
0.5
V CC
f2
SP8714
100n
CONTROL 2 INPUT
-j1
j1
1
MODULUS
OUTPUT
SELECT
RATIO
V EE
POWER
DOWN
2
CC
10n
= +5.0V
j2
-j2
f1
C L
OUTPUT