參數(shù)資料
型號(hào): RMPA1852
廠商: FAIRCHILD SEMICONDUCTOR CORP
元件分類: 衰減器
英文描述: Quad-Band GSM/EDGE PA Module
中文描述: 824 MHz - 849 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER
封裝: 7 X 7 MM, 1.3 MM HEIGHT, MODULE-14
文件頁(yè)數(shù): 7/11頁(yè)
文件大?。?/td> 464K
代理商: RMPA1852
7
www.fairchildsemi.com
RMPA1852 Rev. C
R
ADVANCED DATA SHEET
I/O Pin Description
DC Control Requirements
External Components
Section
Signal
Pin(s)
Description
RF
LB RF IN
7
RF Input (Low Bands), DC Blocked within the part.
HB RF IN
1
RF Input (High Bands), DC Blocked within the part.
LB RF OUT
14
RF Output (Low Bands), DC Blocked within the part.
HB RF OUT
8
RF Output (High Bands), DC Blocked within the part.
Supply
VBATT
4
DC Supply for the Pre-Driver & Driver Stage of the PA’s
LB VCC3
12
DC Supply for Final Stage (Low Bands)
HB VCC3
10
DC Supply for Final Stage (High Bands)
Control
BAND_SEL
2
Band Selection logic pin. A logic low selects the low band PA, and logic high selects the
high band PA.
TX EN
3
PA enable line. A logic high enables the selected PA operation
VMODE
5
This pin selects either GMSK or 8PSK operation for the PA’s. A logic low selects GMSK
mode. A logic high selects 8PSK mode.
VRAMP
6
In GMSK mode, the voltage on this pin controls the output power of the selected PA.
In 8PSK mode, the voltage on this pin is a digital voltage selecting the normal or low
power mode.
Power
Detection
V_DET
11
Power Detector output voltage in EDGE mode
Ground
GND
9, 13
Ground
DC Control
Specification
Typ
Conditions
Description
Signal
Min
Max
Unit
Supplies
VBATT
3.0
3.5
4.3
V
Not Charging, RF On
LB VCC3
3.0
3.5
4.3
V
Not Charging, RF On
HB VCC3
3.0
3.5
4.3
V
Not Charging, RF On
Control
BAND SEL
0
0.1
V
Band Select LOW
2.5
2.85
V
Band Select HIGH
TX EN
2.5
2.85
V
Enabled
0.0
0.1
V
Disabled
VMODE
2.5
2.85
V
Enabled (EDGE Mode)
0.0
0.1
V
Disabled (GSM Mode)
VRAMP (EDGE
only)
2.5
2.85
V
Normal EDGE operation
0
0.1
V
Low power EDGE operation
Type
Value
Size
Description
Pin
Cap
2.2 nF
0402
Vramp bypass
6
Cap
2.2 μF, 33 pF
0402
HB VCC3 bypass
10
Cap
2.2 μF, 33 pF
0402
LB VCC3 bypass
12
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