參數(shù)資料
型號(hào)： MAX3514EEP
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 衰減器
英文描述： 2X2 1.5 Gbps LVDS Crosspoint Switch 16-SOIC -40 to 85
中文描述： 5 MHz - 65 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
封裝： QSOP-20
文件頁(yè)數(shù)： 17/21頁(yè)
文件大?。?/td> 534K
代理商： MAX3514EEP
M
Upstream CATV Amplifiers
______________________________________________________________________________________
17
the state of the PGA and the output amplifiers. Tables 1
and 2 show the register format. Serial-interface timing is
shown in Figure 1.
Applications Information
High-Power and Low-Noise Modes
The MAX3514/MAX3516/MAX3517 have two transmit
modes, high power (HP) and low noise (LN). Each of
these modes is actuated by the high-order bit D7 of the
8-bit programming word. When D7 is a logic 1, HP
mode is enabled. When D7 is a logic 0, LN mode is
enabled.
Each of these modes is characterized by the activation
of a distinct output stage. In HP mode, the output stage
exhibits 15dB higher gain than LN mode. The lower
gain of the LN output stage allows for significantly lower
output noise and lower transmit/transmit-disable tran-
sients.
The full range of gain codes (D6
–
D0) may be used in
either mode. For DOCSIS applications, HP mode is rec-
ommended for output levels at or above +42dBmV
(MAX3514, D7 = 1, gain code = 87), LN mode when the
output level is below +42dBmV (MAX3514, D7 = 0, gain
code = 115).
Shutdown Mode
In normal operation, the shutdown pin (
SHDN
) is held
high. When
SHDN
is taken low, all circuits within the IC
are disabled. Only leakage currents flow in this state.
Data stored within the serial-data interface latches will
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
BIT
MSB 7
6
5
4
3
2
1
LSB 0
MNEMONIC
D7
D6
D5
D4
D3
D2
D1
D0
DESCRIPTION
High-power/low-noise mode select
Gain code, bit 6
Gain code, bit 5
Gain code, bit 4
Gain code, bit 3
Gain code, bit 2
Gain code, bit 1
Gain code, bit 0
Table 1. Serial-Interface Control Word
Table 2. Chip State Control Bits
SHDN
TXEN
D7
D6
D5
D4
D3
D2
D1
D0
GAIN CODE
(DECIMAL)
48
80
115
87
110
125
GAIN*
(DB)
STATES
0
1
1
1
1
1
1
1
1
1
X
0
1
1
1
1
1
1
1
1
X
X
1
0
0
0
0
1
1
1
X
X
X
X
0
1
1
1
1
1
X
X
X
X
1
0
1
0
1
1
X
X
X
X
1
1
1
1
0
1
X
X
X
X
0
0
0
0
1
1
X
X
X
X
0
0
0
1
1
1
X
X
X
X
0
0
1
1
1
0
X
X
X
X
0
0
1
1
0
1
Shutdown Mode
Transmit-Disable Mode
Transmit-Enable Mode, High Power
Transmit- Enable Mode, Low Noise
-26
-10
8
9
20
28
*
Typical Gain at +25
°
C, V
CC
= 5.0V
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX3514EEP+ 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(diǎn):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(cè)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
MAX3514EEP+T 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(diǎn):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(cè)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
MAX3514EEP-T 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(diǎn):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(cè)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
MAX3514EVKIT 功能描述:放大器 IC 開(kāi)發(fā)工具 MAX3514/16/17 Eval Kit RoHS:否 制造商:International Rectifier 產(chǎn)品:Demonstration Boards 類型:Power Amplifiers 工具用于評(píng)估:IR4302 工作電源電壓:13 V to 23 V
MAX3516EUP 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(diǎn):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(cè)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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