參數(shù)資料
型號(hào)： MAX2055EUP-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 無(wú)繩電話/電話
英文描述： Digitally Controlled, Variable-Gain, Differential ADC Driver/Amplifier
中文描述： TELECOM, CELLULAR, BASEBAND CIRCUIT, PDSO20
封裝： 4.40 MM, MO-153AC, TSSOP-20
文件頁(yè)數(shù)： 11/13頁(yè)
文件大小： 805K
代理商： MAX2055EUP-T
feedback topology. This amplifier is optimized for a fre-
quency range of operation from 30MHz to 300MHz with
a high-output third-order intercept point (OIP3). The
bias current is chosen to optimize the IP3 of the amplifi-
er. When R
1
is 1.13k
(909
if using the circuit of
Figure 2), the current consumption is 240mA while
exhibiting a 40dBm typical output IP3 at 70MHz. The
common-mode inductor, L
2
, provides a high common-
mode rejection with excellent amplitude and phase bal-
ance at the output. L
2
must handle the supply current
and have DC resistance less than 0.2
.
Choke Inductor
The single-ended amplifier input and differential output
ports require external choke inductors. At the input,
connect a 330nH bias inductor from AMP
IN
(pin 15) to
I
BIAS
(pin 12). Connect 680nH choke inductors from
RF_OUT+ (pin 11) and RF_OUT- (pin 10) to V
CC
. These
connections provide bias current to the amplifier.
Layout Considerations
A properly designed PC board is an essential part of
any RF/microwave circuit. Keep RF signal lines as short
as possible to reduce losses, radiation, and induc-
tance. For best performance, route the ground-pin
traces directly to the exposed pad underneath the
M
Digitally Controlled, Variable-Gain, Differential
ADC Driver/Amplifier
______________________________________________________________________________________
11
20
19
18
17
16
15
14
13
1
2
3
4
5
6
7
8
ATTN
OUT
I
SET
R
1
B4
1
RF_IN
V
CC
AMP
IN
C
BP
B0
B1
B2
B3
12
11
9
10
I
BIAS
RF_OUT+
RF_OUT
RF_OUT-
CONTROL
INPUTS
ATTENUATION
LOGIC
CONTROL
V
CC
MAX2055
C
12
C
11
T
2
C
10
V
CC
C
9
L
5
L
4
C
8
C
7
C
5
C
4
C
3
C
1
C
2
L
1
L
2
L
3
V
CC
RF_IN
GND
V
CC
R
7
GND
GND
C
C
L
E
Figure 2. Low-Cost Application Circuit
相關(guān)PDF資料
PDF描述
MAX2056 800MHz to 1000MHz Variable-Gain Amplifier with Analog Gain Control
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MAX2056ETX 800MHz to 1000MHz Variable-Gain Amplifier with Analog Gain Control
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX2055EUP-TD 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
MAX2055EVKIT 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
MAX2056 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit
MAX2056_1 制造商:MAXIM 制造商全稱:Maxim Integrated Products 功能描述:Evaluation Kit
MAX2056ETX 功能描述:射頻放大器 0.8GHz - 1GHz Variable-Gain Amp 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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