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參數(shù)資料
| 型號(hào)： | FMPA2300 |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 衰減器 |
| 英文描述： | 2.3?2.4GHz WiMax/WiBro Linear Power Amplifier |
| 中文描述： | 2300 MHz - 2400 MHz RF/MICROWAVE NARROW BAND MEDIUM POWER AMPLIFIER |
| 封裝： | 3X3 MM, 1 MM HEIGHT, ROHS COMPLIANT, LEADLESS PACKAGE-8 |
| 文件頁(yè)數(shù)： | 7/9頁(yè) |
| 文件大小： | 545K |
| 代理商： | FMPA2300 |
7
www.fairchildsemi.com
FMPA2300 Rev. A
F
Evaluation Board Turn-On Sequence
(4)
Recommended turn-on sequence:
1. Connect common ground terminal to the Ground (GND) pin on the board.
2. Apply positive supply voltage VC1 (=3.4V) to pin VCC1 (first stage collector).
3. Apply positive supply voltage VC2 (=3.4V) to pin VCC2 (second stage collector).
4. Apply positive bias voltage VREF12 (=2.85V) to pin VREF (bias networks).
5. At this point, you should expect to observe the following positive currents flowing into the pins:
Pin
Current
VREF12
7.0–9.0mA
VCC1
50.0–60.0mA
VCC2
70.0–80.0mA
6. Apply input RF power to SMA connector pin RFIN. Currents in pins VC1 and VC2 will vary depending on the input
drive level.
7. Vary positive voltage on pin VREF12 from +2.85 V to +0 V to shut down the amplifier or alter the power level.
Shut down current flow into the pins:
Pin
Current
VCC1
<1nA
VCC2
<1nA
Recommended turn-off sequence:
Use reverse order described in the turn-on sequence above.
Note:
4. Turn on sequence is not critical and it is not necessary to sequence power supplies in actual system level design.
Package Outline
1
2
3
4
8
7
6
5
4
3
2
1
5
6
7
8
XYTT
2300
X
2
TOP VIEW
FRONT VIEW
BOTTOM VIEW
Detail A
3.00
1.10mm MAX.
0.44
0.60mm Mold
Head Height
2.65mm
4X R .20mm
Back Side Solder Mask
mm SQ.
I/O 1 INDICATOR
+.100
See Detail A
1.40mm
0.80mm
0.175mm
0.40mm
0.40mm
0.40mm
0.10mm
0.10mm
2
1
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