LMX2471 National Semiconductor, LMX2471 Datasheet - Page 10

• Manufacturer Part Number: LMX2471
• Description: 3.6 GHz Delta-Sigma Fractional-N PLL with 1.7 GHz Integer-N PLL
• Manufacturer: National Semiconductor

www.national.com
Typical Performance Characteristic : FinIF Input Impedance
Freqeuncy (MHz)
1000
1100
1200
1300
1400
1500
1600
1700
1800
1900
2000
500
600
700
800
900
FinIF Input Impedance (V
Real (Ohms)
(Note 5)
377.4
325.4
272.7
222.6
178.2
143.0
113.8
92.6
76.5
64.1
55.2
48.5
43.3
39.4
36.4
34.5
10
CC
=2.5 V, T
A
=25˚C)
20072154
Imaginary (Ohms)
-174.6
-186.6
-192.6
-191.1
-182.4
-170.6
-157.1
-144.5
-133.0
-123.0
-114.9
-108.2
-102.9
(Note 6)
-98.4
-94.6
-91.6