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參數(shù)資料
| 型號： | MAX3507 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Upstream CATV Amplifier with On-Chip Anti-Alias Filter |
| 中文描述： | CATV上行放大器 |
| 文件頁數(shù)： | 9/12頁 |
| 文件大?。?/td> | 356K |
| 代理商： | MAX3507 |
former must have adequate bandwidth to cover the
intended application. Note that most RF transformers
specify bandwidth with a 50
source on the primary
and a matching resistance on the secondary winding.
Operating in a 75
system will tend to shift the low-fre-
quency edge of the transformer bandwidth specifica-
tion up by a factor of 1.5, due to primary inductance.
Keep this in mind when specifying a transformer.
Bias to the output stage is provided through the center
tap on the transformer primary. This greatly diminishes
the on/off transients present at the output when switch-
ing between transmit and transmit disable modes.
Commercially available transformers typically have
adequate balance between half-windings to achieve
substantial transient cancellation.
Finally, keep in mind that transformer core inductance
varies proportionally with temperature. If the application
requires low temperature extremes (less than 0
°
C),
adequate primary inductance must be present to sus-
tain low-frequency output capability as temperatures
M
Upstream CATV Amplifier with
On-Chip Anti-Alias Filter
_______________________________________________________________________________________
9
Table 2. Chip-State Control Bits
A. t
SENS
B. t
SDAS
C. t
SDAH
D. t
SCLKL
E. t
SCLKH
F. t
SENH
G. t
DATAH
/t
DATAL
D0
D7
D6
D5
A
G
B
C
D
E
F
D4
D3
D2
D1
Figure 1. Serial Interface Timing Diagram
SHDN
TXEN
D7
D6
D5
D4
D3
D2
D1
D0
GAIN STATE
(DECIMAL)
GAIN
(dB)
STATES
0
1
X
0
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
X
—
—
—
—
Shutdown
Transmit Disable Mode
1
1
1
X
X
X
X
X
X
X
—
—
Transmit Enable Mode,
High Power
1
1
0
X
X
X
X
X
X
X
—
—
Transmit Enable Mode,
Low Noise
1
1
1
1
1
1
1
1
1
1
1
1
0
0
0
1
1
1
0
1
1
1
1
1
1
0
1
0
1
1
1
1
0
1
0
1
0
0
1
0
1
1
0
0
1
1
1
1
0
0
1
1
1
0
0
0
0
0
0
1
48
80
110
86
110
125
-22.6
-6.29
8.68
11.69
23.7
31.0
—
—
—
—
—
—
Typical gain at T
A
= +25
°
C and V
CC
= +5V.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX3507EGI | 功能描述:射頻放大器 Upstream CATV Amplifier RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX3507EGI+ | 功能描述:射頻放大器 Upstream CATV Amplifier RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX3507EGI+T | 功能描述:射頻放大器 Upstream CATV Amplifier RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX3507EGI-T | 功能描述:射頻放大器 Upstream CATV Amplifier RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
| MAX3509EUP | 功能描述:射頻放大器 RoHS:否 制造商:Skyworks Solutions, Inc. 類型:Low Noise Amplifier 工作頻率:2.3 GHz to 2.8 GHz P1dB:18.5 dBm 輸出截獲點:37.5 dBm 功率增益類型:32 dB 噪聲系數(shù):0.85 dB 工作電源電壓:5 V 電源電流:125 mA 測試頻率:2.6 GHz 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-16 封裝:Reel |
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