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參數(shù)資料
| 型號(hào)： | RF2459 |
| 廠商： | RF MICRO DEVICES INC |
| 元件分類： | 無(wú)繩電話/電話 |
| 英文描述： | 3V PCS DOWNCONVERTER |
| 中文描述： | TELECOM, CELLULAR, RF AND BASEBAND CIRCUIT, PDSO8 |
| 封裝： | MSOP-8 |
| 文件頁(yè)數(shù)： | 3/8頁(yè) |
| 文件大?。?/td> | 122K |
| 代理商： | RF2459 |
Preliminary
8-99
RF2459
Rev A2 010717
8
F
Pin
1
Function
LO IN
Description
Mixer LO single-ended input. The pin is internally DC blocked. External
matching sets impedance.
Interface Schematic
2
GND2
Ground for downconverter. Keep traces physically short and connect
directly to ground plane for best performance.
Supply voltage for downconverter. External RF bypassing is required.
The trace length between the bypass caps and the pin should be mini-
mized. Connect ground sides of caps directly to ground.
Same as pin 2.
3
VCC
4
5
GND1
RF IN
Mixer RF single-ended input. The pin is internally DC blocked. External
matching sets input impedance.
6
7
GND3
IF-
Same as pin 2.
IF output pin. The output is balanced. A current combiner external net-
work performs a differential to single-ended conversion and sets the
output impedance. There must be a DC path from V
CC
to this pin. this
is normally achieved with the current combiner network. A DC blocking
cap must be present if the IF filter input has a DC path to ground.
8
IF+
Same as pin 7, except complementary output.
LO IN
RF IN
IF+
IF-
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| RF2460 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:PCS CDMA LOW NOISE AMPLIFIER/MIXER 1500MHz TO 2200MHz DOWNCONVERTER |
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| RF2460_1 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:PCS CDMA LOW NOISE AMPLIFIER/MIXER 1500MHz TO 2200MHz DOWNCONVERTER |
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| RF2461 | 制造商:RFMD 制造商全稱:RF Micro Devices 功能描述:CDMA/FM LOW NOISE AMPLIFIER/MIXER 900MHz DOWNCONVERTER |
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