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參數(shù)資料
| 型號： | LTC5533EDE |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 衰減器 |
| 英文描述： | 300MHz to 11GHz Precision Dual RF Power Detector |
| 中文描述： | 300 MHz - 11000 MHz RF/MICROWAVE LINEAR DETECTOR, 12 dBm INPUT POWER-MAX |
| 封裝： | 4 X 3 MM, PLASTIC, MO-229, DFN, DE-12 |
| 文件頁數(shù)： | 10/12頁 |
| 文件大?。?/td> | 253K |
| 代理商： | LTC5533EDE |
LTC5533
10
5533f
APPLICATIOU
W
U
U
RF INPUT POWER (dBm)
–32
0
V
O
400
1200
1600
2000
–12 –8 –4
0
3600
5533 F01
800
–28 –24 –20 –16
12
8
4
2400
2800
3200
V
CC
= 3.6V
V
OS
= 0V
T
A
= –40
°
C
T
A
= 25
°
C
T
A
= 85
°
C
RF INPUT POWER (dBm)
–32
1
V
O
100
1000
–20
–8
–28
–16
–4
–24
–12
4
0
8
5533 F02
10
V
CC
= 3.6V
V
OS
= 0V
T
A
= –40
°
C
T
A
= 25
°
C
T
A
= 85
°
C
RF INPUT POWER (dBm)
–24
–3
V
O
–2
0
1
2
–16
–8
–4
12
5533 F03
–1
–20
–12
0
4
8
3
V
CC
= 3.6V
V
OS
= 0V
T
A
= –40
°
C
T
A
= 85
°
C
V
CC1
V
OUT1
V
OS1
V
CC2
V
OUT2
V
OS2
RF
IN1
GND
SHDN1
RF
IN2
GND
SHDN2
1
2
3
4
5
6
12
11
10
9
8
7
LTC5533
C1
39pF
R1
360
20dB RESISTIVE TAP
ANTENNA
C3
0.1
μ
F
Li-Ion
+
C2
39pF
CELL BAND
PCS BAND
Tx PA MODULE
DIPLEXER
MOBILE PHONE BB/DSP
VPC
BSE
5533 F04
R2
150
14dB RESISTIVE TAP
Figure 2 shows the corresponding slope of the 11GHz
response, and Figure 3 shows the variation of the output
voltage vs RF input power at –40
°
C and 85
°
C, normalized
to the room temperature (25
°
C) results.
The LTC5533 can be used as a demodulator for AM and
ASK modulated signals with data rates up to 2MHz.
Depending on specific application needs, the detector
outputs can be split between two branches, providing AC-
coupled data (or audio) output and a DC-coupled RSSI
output for signal strength measurements and AGC.
The LTC5533 can also be used for RF power detection and
control. Figure 4 is an example of an LTC5533 used for
dual band mobile phone transmitter power control.
The LTC5533 consists of two separate RF detector dice
packaged together. Consequently, detector-to-detector
isolation is good—typically 45dB at 2GHz. Output match-
ing is good, but not precise. The characterization plots in
the Typical Performance Characteristics show that the
typical output voltage mismatch is within
±
25mV with no
RF input signal present. With –14dBm RF input signal, the
typical equivalent mismatch is within
±
1dB.
Figure 1. Typical Detector Characteristics, 11GHz
Figure 2. V
OUT
Slope vs RF Input Power at 11GHz
Figure 3. V
OUT
Variation at –40
°
C and at 85
°
C vs RF Input Power
at 11GHz, Normalized to Room Temperature (25
°
C) Results.
Figure 4. Dual Band Mobile Phone Transmitter
Power Contol with LTC5533
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| LTC5533EDE#PBF | 功能描述:IC RF POWER DETECTOR 12-DFN RoHS:是 類別:RF/IF 和 RFID >> RF 檢測器 系列:- 產(chǎn)品變化通告:Product Discontinuation 15/May/2006 標(biāo)準(zhǔn)包裝:3,000 系列:- 頻率:100MHz ~ 2GHz RF 型:手機，GSM，DCS，PCS 輸入范圍:- 精確度:- 電源電壓:2.7 V ~ 5.5 V 電流 - 電源:300µA 包裝:帶卷 (TR) 封裝/外殼:SC-74，SOT-457 其它名稱:NCS5000SNT1GOS |
| LTC5533EDE#TR | 制造商:Linear Technology 功能描述:Precision Dual RF Power Detector 12-Pin DFN EP T/R |
| LTC5533EDE#TRPBF | 功能描述:IC RF POWER DETECT 12-DFN RoHS:是 類別:RF/IF 和 RFID >> RF 檢測器 系列:- 產(chǎn)品變化通告:Product Discontinuation 15/May/2006 標(biāo)準(zhǔn)包裝:3,000 系列:- 頻率:100MHz ~ 2GHz RF 型:手機，GSM，DCS，PCS 輸入范圍:- 精確度:- 電源電壓:2.7 V ~ 5.5 V 電流 - 電源:300µA 包裝:帶卷 (TR) 封裝/外殼:SC-74，SOT-457 其它名稱:NCS5000SNT1GOS |
| LTC5535 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Precision 600MHz to 7GHz, RF Detector with Adjustable Gain and 12MHz Baseband Bandwidth |
| LTC5535ES6 | 制造商:LINER 制造商全稱:Linear Technology 功能描述:Precision 600MHz to 7GHz, RF Detector with Adjustable Gain and 12MHz Baseband Bandwidth |
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