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參數(shù)資料
| 型號： | P11976EJ2V0AN00 |
| 英文描述： | uPC2711-15. uPC2745-49. uPC2791/92. uPC3210 6-Pin Mini-Mold. 6-Pin Super Mini-Mold Silicon High-Frequency Wideband Amplifier MMIC |
| 中文描述： | uPC2711 - 15。 uPC2745 - 49。 uPC2791/92。 uPC3210 6引腳小型模具。 6引腳超小型模具硅高頻寬帶放大器單片 |
| 文件頁數(shù)： | 19/31頁 |
| 文件大?。?/td> | 174K |
| 代理商： | P11976EJ2V0AN00 |
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Application Note P11976EJ2V0AN00
19
5.2 Example of Adjustment between Stages
When using multi-stage connections, you can insert terminating resistors between stages or insert a
π
-type 3-dB
pad to suppress load variation and to suppress gain as preventing oscillation.
The use of passive components such as resistors is an effective design method for suppressing load variation
caused by the IC’s ON/OFF switching and gain variation that tends to occur in multi-stage connections. Some very
general examples are shown in Figure 5-2 below.
You should consider the signal-level diagrams in order not to make the second-stage IC’s input level a super-
saturated region.
Figure 5-2. Example of Adjustment between Stages
Example of using terminating resistor to prevent load variation
IN
OUT
1000 pF
1000 pF
1000 pF
1000 pF
1000 pF
1000 pF
V
CC
C
1
C
4
R
1
50 to 200
C
3
C
6
C
5
C
2
Connect R
1
and
C
5
to prevent
load variation
Example of inserting
π
-type 3-dB pad to prevent gain load variation
V
CC
1000 pF
1000 pF
1000 pF
1000 pF
1000 pF
1000 pF
IN
OUT
π
-type 3-dB pad
(input/output impedance is 50
)
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相關代理商/技術參數(shù) |
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| P11997EJ2V0AN00 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:uPC2757. uPC2758. and uPC8112. 3-V Power Supply. 1.9-GHz Frequency Down-converter ICs for Mobile Communication |
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