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| 型号： | PE42750MLAB-Z |
| 厂商： | Peregrine Semiconductor |
| 文件页数： | 9/12页 |
| 文件大小： | 0K |
| 描述： | IC RF SWITCH SPDT 75 OHM 12QFN |
| 标准包装： | 1 |
| 系列： | UltraCMOS™ |
| RF 型： | CATV |
| 频率： | 5MHz ~ 2.2GHz |
| 特点： | SPDT |
| 封装/外壳： | 12-WFQFN 裸露焊盘 |
| 供应商设备封装： | 12-QFN（3x3） |
| 包装： | 标准包装 |
| 其它名称： | 1046-1041-6 |
DuNE? Digitally Tunable Capacitors (DTCs)
In complex radio designs where detuning can cause increased filter loss, PA inefficiencies
and antenna mismatch, signal-chain performance can be significantly improved with
a monolithically integrated solid-state impedance tuning solution.
Peregrine’s DTCs continue in a tradition of innovation, high performance and
ease-of-use by offering tunability, high voltage handling and excellent linearity.
DuNE? Digitally Tunable Capacitors
Part Number
Interface
Min Capacitance (pF)
Series Shunt
Max Capacitance (pF)
Series Shunt
Tuning Ratio
Series Shunt
Quality Factor
(Shunt, 1 GHz)
Cmin Cmax
ESD
HBM (V)
Package
PE64101 1
PE64102 1
PE64904 1
PE64905 1
SPI Compatible
SPI Compatible
SPI Compatible
I 2 C Compatible
Note 2
Note 2
0.60
0.60
1.4
1.9
1.10
1.10
Note 2
Note 2
4.60
4.60
5.9
14
5.10
5.10
Note 2
Note 2
7.7:1
7.7:1
4.3:1
7.4:1
4.6:1
4.6:1
45
45
35
35
12
12
25
25
1500
1500
1500
2000
12L 2x2 QFN
12L 2x2 QFN
10L 2x2 QFN
10L 2x2 QFN
Note 1: Operating Frequency: 100-3000 MHz, Vdd Range: 2.3-3.6V
Note 2: For series configuration see equivalent circuit model in datasheet
DTC Application Examples
From tunable filters and matching networks, RFID/NFC, HF/VHF/UHF radios and directional antennas, to phase shifters,
antenna tuning and other wireless communications, Peregrine DTCs meet the needs of today’s applications, helping to
reduce design size and complexity while improving performance.
Antenna Band Switching
Antenna element length is adjusted dynamically to
tune the resonant frequency.
Antenna Impedance Matching
The DTC tuner increases power delivered to the antenna
by eliminating mismatch loss.
Efficiency
DTC Tuned
Antenna
0
Power Delivered to Antenna
y
-1
Passive
Antenna
-2
-3
-4
Low
Mismatch
Frequency
-5
-6
-7
-8
Antenna Only
With DTC
High
Mismatch
Return Loss
0 . 6 5
0.70
0.75
0.80
0.85
0.90
0.95
1.00
1 . 0 5
Frequency [GHz]
Phase Shifter
Phase shifters enable antenna beam steering.
Tunable Matching Networks
Match the desired impedance to 50 W or other impedance
over broadband (700-2200 MHz) to minimize mismatch loss.
960 MHz
50 ?
8 ?
698 MHz
1710 MHz
> 0.5 dB Mismatch Loss
2168 MHz
> 1.5 dB Mismatch Loss
> 3.0 dB Mismatch Loss
> 5.5 dB Mismatch Loss
9
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