lmx2335u National Semiconductor Corporation, lmx2335u Datasheet - Page 11

• Manufacturer Part Number: lmx2335u
• Description: Pllatinum Ultra Low Power Dual Frequency Synthesizer For Rf Personal Communications
• Manufacturer: National Semiconductor Corporation

PHASE NOISE CHARACTERISTICS
L
L(f) RF1
N
Electrical Characteristics
V
Symbol
(f) RF1
CC
= V
P
RF1 = V
RF1 Synthesizer Normalized Phase
Noise Contribution
(Note 10)
RF1 Synthesizer
Single Side Band
Phase Noise
Measured
P
RF2 = 3.0V, −40˚C ≤ T
Parameter
LMX2335U
LMX2336U
(Continued)
A
≤ +85˚C, unless otherwise specified
TCXO Reference Source
ID
f
f = 1 kHz Offset
F
Loop Bandwidth = 12 kHz
N = 4500
F
V
ID
PWDN RF2 Bit = 1
T
(Note 11)
f
f = 1 kHz Offset
F
Loop Bandwidth = 15 kHz
N = 9800
F
V
ID
PWDN RF2 Bit = 1
T
(Note 11)
IN
IN
φRF1
OSC
A
φRF1
OSC
A
OSC
OSC
o
o
o
RF1 = 900 MHz
RF1 = 1960 MHz
= +25˚C
= +25˚C
RF1 Bit = 1
RF1 Bit = 1
RF1 Bit = 1
= 10 MHz
= 10 MHz
= 0.632 V
= 0.632 V
= 200 kHz
= 200 kHz
11
Conditions
PP
PP
Min
-212.0
-85.94
-79.18
Value
Typ
Max
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Units
dBc/
dBc/
dBc/
Hz
Hz
Hz