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參數(shù)資料
| 型號： | RF2152PCBA-N |
| 廠商： | RF Micro Devices, Inc. |
| 英文描述： | CAP .047F 5.5V GOLD SD HORZ |
| 中文描述： | 雙模式CDMA /放大器或時(shí)分多址/ AMPS二元3V的功率放大器 |
| 文件頁數(shù)： | 3/12頁 |
| 文件大?。?/td> | 251K |
| 代理商： | RF2152PCBA-N |
2-157
RF2152
Rev A8 001109
2
P
NOT FOR NEWDESIGNS
tiple vias. The pad should have a short thermal path to the ground
plane.
SeeUpgradedProductsRF 2162/F2192
Pin
1
Function
VCC
Description
Power supply for input bias circuitry. A 100 pF high frequency bypass
capacitor is recommended.
Interstage tuning. This pin will connect to a shunt inductor used for
interstage tuning. For 824MHz to 849MHz a 1.5nH discrete inductor is
used; for 877MHz to 925MHz a shorted transmission line presenting
0.7 nH of inductance or discrete inductor may be used. This inductor
should be placed as close to the pin as possible.
No connection. Grounding pin is recommended.
Interface Schematic
2
LTUNE
3
4
NC
VCC1
Power supply for stage 1. V
should be fed through a 25nH or greater
inductor with a decoupling capacitor on the V
side.
Ground for stage 1. Keep traces physically short and connect immedi-
ately to ground plane for best performance. This ground should be iso-
lated from the backside ground contact.
RF input. An external DC blocking capacitor is required if this port is
connected to a DC path to ground or a DC voltage.
See pin 6.
5
GND1
See pin 6.
6
RF IN
7
VPD
Power Down control. When this pin is “l(fā)ow”, all circuits are shut off.
When this pin is 2.8 volts, all circuits are operating normally. V
PD
requires a regulated 2.8 V for the amplifier to operate properly over all
specified temperature and voltage ranges. A dropping resistor from a
higher regulated voltage may be used to provide the required 2.8 V. A
100 pF high frequency bypass capacitor is recommended.
Connect to pin 7.
8
9
VPD
NC
NC
NC
RF OUT
No connection. Grounding pin is recommended.
10
11
12
No connection. Grounding pin is recommended.
No connection. Grounding pin is recommended.
RF output and power supply for the output stage. The bias for the out-
put stage is provided through this pin and pin 13. An external matching
network is required to provide the optimum load impedance; see the
application schematics for details. The first shunt cap of the matching
circuit should be placed as close to the pin as possible.
13
14
RF OUT
RF OUT
Same as pin 12.
See pin 12.
Harmonic trap. This pin connects to the RF output but is used for pro-
viding a low impedance to the second harmonic of the operating fre-
quency. An inductor or transmission line resonating with a shunt
capacitor at 2f
0
is connected to this pin.
No connection. Grounding pin is recommended.
See pin 12.
15
16
NC
MODE
The mode pin allows higher efficiency operation in AMPS and low
power CDMA modes. MODE should be set “l(fā)ow” for highest efficiency
in AMPS/TACS and in low power (<+15 dBm) CDMA operation. MODE
should be set “high” for best linearity in high power CDMA operation.
Pkg
GND
Ground connection. The backside of the package should be soldered to
GND1
RF IN
VCC1
From Bias
Stages
RF OUT
From Bias
Stages
MODE
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| RF2153 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:CDMA/TDMA/PACS 1900MHZ 3V POWER AMPLIFIER |
| RF2153-000 | 功能描述:可復(fù)位保險(xiǎn)絲 30V .2A-HD 10A MAX (R) RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C |
| RF2153PCBA | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:CDMA/TDMA/PACS 1900MHZ 3V POWER AMPLIFIER |
| RF2154 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:Analog IC |
| RF2154-000 | 功能描述:可復(fù)位保險(xiǎn)絲 RoHS:否 制造商:Bourns 電流額定值: 電阻:7.5 Ohms 最大直流電壓: 保持電流:0.1 A 安裝風(fēng)格:SMD/SMT 端接類型:SMD/SMT 跳閘電流:0.6 A 引線間隔: 系列:MF-PSHT 工作溫度范圍:- 40 C to + 125 C |
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