S1M8821 Samsung Semiconductor, Inc., S1M8821 Datasheet - Page 19

• Manufacturer Part Number: S1M8821
• Description: Interger Rf/if Dual Pll Frequency Synthesizer
• Manufacturer: Samsung Semiconductor, Inc.

INTERGER RF/IF DUAL PLL
RF SENSITIVITY MEASUREMENT CIRCUIT
Generator
Signal
RF
Frequency
Counter
10dB ATTN
Microstrip
50
** N=10,000 R=50 P=64
** Sensitivity limit is determined when the error of the divided RF output( foLD) becomes
51
39k
1 Hz.
12k
100pF
100pF
OSC
foLD
f
f
in
in
in
V
V
LE
DATA
CLOCK
2.7V to 4.0V
DD
P
100pF
2.2 F
100pF
Parallel
Port
S1M8821/22/23
PC
2.2 F
19