參數(shù)資料
型號: MAX2120
廠商: Maxim Integrated Products, Inc.
英文描述: Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications
中文描述: 完備的直接變頻調(diào)諧器,用于DVB-S和免費(fèi)廣播系統(tǒng)
文件頁數(shù): 7/21頁
文件大?。?/td> 316K
代理商: MAX2120
M
Complete, Direct-Conversion Tuner for DVB-S
and Free-to-Air Applications
_______________________________________________________________________________________
7
Typical Operating Characteristics (continued)
(MAX2120 Evaluation Kit: V
CC
= +3.3V, baseband output frequency = 5MHz; V
GC1
= 1.2V; T
A
= +25°C. Default register settings
except ICP = 1 and BBG[3:0] = 1011.)
NOISE FIGURE vs. INPUT POWER
M
INPUT POWER (dBm)
N
-20
-30
-40
-50
-60
-70
20
10
30
40
50
60
70
0
-80
0
-10
ADJUST BBG[3:0] FOR 1V
P-P
BASEBAND OUTPUT WITH
P
IN
= -75dBm AND V
GC1
= 0.5V
f
LO
= 1500MHz
OUT-OF-BAND IIP3 vs. INPUT POWER
M
INPUT POWER (dBm)
O
-20
-30
-40
-50
-60
-70
-10
-20
0
10
20
30
-30
-80
0
-10
SEE NOTE 4 ON PAGE 4 FOR CONDITIONS
IN-BAND IIP3 vs. INPUT POWER
M
INPUT POWER (dBm)
I
-20
-30
-40
-50
-60
-70
-30
-50
-40
-10
-20
0
10
20
30
-60
-80
0
-10
SEE NOTE 3 ON PAGE 4 FOR CONDITIONS
IIP2 vs. INPUT POWER
M
INPUT POWER (dBm)
I
-20
-30
-40
-50
-60
-70
0
10
30
20
40
50
60
-10
-80
0
-10
SEE NOTE 5 ON PAGE 4 FOR CONDITIONS
INPUT RETURN LOSS vs. FREQUENCY
M
FREQUENCY (MHz)
I
2025
1800
1350
1575
1125
-20
-15
-10
-5
0
-25
900
2250
V
GC1
= 2.7V
V
GC1
= 0.5V
PHASE NOISE AT 10kHz OFFSET
vs. CHANNEL FREQUENCY
M
CHANNEL FREQUENCY (MHz)
P
2065
1875
1305 1495 1685
1115
-86
-82
-78
-80
-74
-70
-90
-84
-76
-72
-88
925
2255
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