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參數(shù)資料
| 型號(hào)： | 934056624115 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 放大器 |
| 英文描述： | 100 MHz - 3000 MHz RF/MICROWAVE WIDE BAND LOW POWER AMPLIFIER |
| 封裝： | PLASTIC, SMD, UMT6, SC-88, SOT-363, 6 PIN |
| 文件頁(yè)數(shù)： | 6/11頁(yè) |
| 文件大?。?/td> | 122K |
| 代理商： | 934056624115 |
2002 Jan 14
4
Philips Semiconductors
Preliminary specification
MMIC wideband amplifier
BGM1011
APPLICATION INFORMATION
Figure 2 shows a typical application circuit for the BGM1011 MMIC. The device is internally matched to 50
, and
therefore does not need any external matching. The value of the input and output DC blocking capacitors C1, C2 should
be not more than 100 pF for applications above 100 MHz. Their values can be used to fine tune the input and output
impedance. However, when the device is operated below 100 MHz, the capacitor value should be increased.
The nominal value of the RF choke, L1 is 100 nH. At frequencies below 100 MHz this value should be increased to
200 nH. At frequencies between 1 and 3 GHz a much lower value must be used (e.g. 18 nH) to improve return losses.
For optimal results, a good quality chip inductor such as the TDK MLG 1608 (0603), or a wire-wound SMD type should
be chosen.
Capacitor, C4 and resistor, R1 are added for optimal supply decoupling.
Both the RF choke, L1 and the 22 nF supply decoupling capacitor, C3 should be located as closely as possible to the
MMIC.
Separate paths must be used for the ground planes of the ground pins GND1, GND2, and these paths must be as short
as possible. When using vias, use multiple vias per pin in order to limit ground path inductance.
Fig.2 Typical application circuit
RF out
Vs
RF in
2,5 [GND2]
6 [In]
1 [Vs]
SOT363
3 [Out]
C
1
C
2
C
4
C
3
BGM1011
4 [GND1]
R
1
L
1
Fig.2 Typical application circuit
List of components used for the typical application; an amplifier for LNB IF output.
COMPONENT
DESCRIPTION
VALUE
DIMENSIONS.
C1, C2
multilayer ceramic chip capacitor
100 pF
0603
C3
multilayer ceramic chip capacitor
22 nF
0603
C4
multilayer ceramic chip capacitor
5.6 pF
0603
R1
SMD resistor
10
0603
L1
SMD inductor
10 to 200 nH
0603
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