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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： | 完備的直接變頻調諧器，用于DVB-S和免費廣播系統(tǒng) |
| 文件頁數(shù)： | 3/21頁 |
| 文件大?。?/td> | 316K |
| 代理商： | MAX2120 |
M
Complete, Direct-Conversion Tuner for DVB-S
and Free-to-Air Applications
_______________________________________________________________________________________
3
AC ELECTRICAL CHARACTERISTICS
(MAX2120 Evaluation Kit: V
CC
= +3.13V to +3.47V, V
GC1
= +0.5V (max gain), T
A
= 0°C to +70°C. Default register settings except ICP
= 1 and BBG[3:0] = 1011. Typical values measured at V
CC
= +3.3V, T
A
= +25°C, unless otherwise noted.) (Note 1)
CONDITIONS
MIN
TYP
MAX
UNITS
MAIN SIGNAL PATH PERFORMANCE
Input Frequency Range
RF Gain-Control Range (GC1)
Baseband Gain-Control Range
In-Band Input IP3
Out-of-Band Input IP3
Input IP2
Adjacent Channel Protection
(Note 2)
0.5V < V
GC1
< 2.7V
Bits GC2 = 1111 to 0000
(Note 3)
(Note 4)
(Note 5)
(Note 6)
925
65
13
2175
MHz
dB
dB
dBm
dBm
dBm
dB
73
15
+2
+15
+40
25
V
GC1
is set to 0.5V (maximum RF gain) and BBG[3:0] is
adjusted to give a 1V
P-P
baseband output level for a
-75dBm CW input tone at 1500MHz
8
Noise Figure
Starting with the same BBG[3:0] setting as above, V
GC1
is adjusted to back off RF gain by 10dB (Note 7)
9
12
dB
Minimum RF Input Return Loss
BASEBAND OUTPUT CHARACTERISTICS
Nominal Output Voltage Swing
I/Q Amplitude Imbalance
I/Q Quadrature Phase Imbalance
925MHz < f
RF
< 2175MHz, in 75
Ω
system
12
dB
R
LOAD
= 2k
Ω
//10pF
Measured at 500kHz; filter set to 22.27MHz
Measured at 500kHz; filter set to 22.27MHz
0.5
1
V
P-P
dB
Degrees
±1
3.5
Single-Ended I/Q Output
Impedance
Real Z
O
, from 1MHz to 40MHz
30
Ω
Output 1dB Compression Voltage
Differential
3
V
P-P
Baseband Highpass -3dB
Frequency Corner
47nF capacitors at IDC_, QDC_
400
Hz
BASEBAND LOWPASS FILTERS
Filter Bandwidth Range
Rejection Ratio
Group Delay
4
40
MHz
dB
ns
At 2 x f
-3dB
Up to 1dB bandwidth
39
37
Ratio of In-Filter-Band to Out-of-
Filter-Band Noise
f
INBAND
= 100Hz to 22.5MHz, f
OUTBAND
= 87.5MHz to
112.5MHz
25
dB
FREQUENCY SYNTHESIZER
RF-Divider Frequency Range
RF-Divider Range (N)
925
16
2175
2175
MHz
Reference-Divider Frequency
Range
4
30
MHz
Reference-Divider Range (R)
1
31
Phase-Detector Comparison
Frequency
1
2
MHz
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相關代理商/技術參數(shù) |
參數(shù)描述 |
|---|---|
| MAX2120_10 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Complete, Direct-Conversion Tuner for DVB-S and Free-to-Air Applications |
| MAX2120CTI+ | 功能描述:調諧器 Direct Conversion Tu Ner For Dvb-S -75 To RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| MAX2120CTI+T | 功能描述:調諧器 Direct Conversion Tu Ner For Dvb-S -75 To RoHS:否 制造商:NXP Semiconductors 功能: 噪聲系數(shù): 工作電源電壓: 最小工作溫度: 最大工作溫度: |
| MAX2120EVKIT+ | 功能描述:射頻開發(fā)工具 MAX2120 Eval Kit RoHS:否 制造商:Taiyo Yuden 產品:Wireless Modules 類型:Wireless Audio 工具用于評估:WYSAAVDX7 頻率: 工作電源電壓:3.4 V to 5.5 V |
| MAX2121 | 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Complete Direct-Conversion L-Band Tuner |
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