參數(shù)資料
型號(hào): LTC5564IUD#TRPBF
廠商: LINEAR TECHNOLOGY CORP
元件分類: 模擬信號(hào)調(diào)理
英文描述: SPECIALTY ANALOG CIRCUIT, PQCC16
封裝: 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16
文件頁(yè)數(shù): 2/12頁(yè)
文件大?。?/td> 146K
代理商: LTC5564IUD#TRPBF
LTC5564
10
5564f
APPLICATIONS INFORMATION
Figure 4. 600MHz to 15GHz Power Detector
+
RFIN
VCCP
VCCRF
VCCA
GND
VOUT
G1
VCOMP
DETECT
OVERVOLTAGE
EVENT
VREF
G0
LEN
5564 F04
LTC5564
10
DETECT
VOLTAGE
8
7
14
5
13
1
11
15
12
3, 4, 17
FROM RF MATCHING
NETWORK/ANTENNA
VCC
47pF
10pF
1000pF
μC
Figure 5. Demo Board Schematic Optimized for 15GHz
VCOMP
VOUT
NC
17
2.2pF
15GHz
RFIN
1000pF
10pF
100pF
10pF
100pF
G1
G0
5564 F05
68Ω
1000pF
0.5pF
VCC
VREF
VCC
1
2
3
4
16
15
14
13
12
11
10
9
8
7
6
5
10k
100pF
10k
RFIN
NC
GND
VCCA
VCCP
VOUT
NC
VCCRF
LTC5564
VREF VCOMP
LEN
VOUTADJ
VOUTADJ G0
G1
Applications
The LTC5564 can be used as a self-standing signal strength
measurement receiver for a wide range of input signals
from –24dBm to 16dBm and frequencies from 600MHz
to 15GHz.
In addition to power detection, the LTC5564 may be used
as a demodulator for AM and ASK modulated signals.
Depending on the application the RSSI may be split into
two branches to provide AC-coupled data (e.g., audio) and
a DC-coupled RSSI output for signal strength measure-
ment and AGC.
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