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參數(shù)資料
| 型號(hào)： | HMPP-3895 |
| 英文描述： | MiniPak PIN switch diode |
| 中文描述： | MiniPak PIN開(kāi)關(guān)二極管 |
| 文件頁(yè)數(shù)： | 7/11頁(yè) |
| 文件大?。?/td> | 159K |
| 代理商： | HMPP-3895 |
7
FREQUENCY (GHz)
I
0
-0.2
-0.4
-0.6
-0.8
-1.0
1
6
2
4
5
3
Figure 16. Insertion loss of reference line.
To evaluate the HMPP-389T as
shunt switch, it was mounted on
the test line and then the appropri-
ate biasing voltage was applied. In
our prototype, the worst case
return loss was 10 dB at 5 GHz
(Figure 17). The return loss varied
very little when the bias was
changed from zero to -20V.
FREQUENCY (GHz)
R
-5
-15
-25
-35
-45
-55
1
6
2
4
5
3
Figure 17. Return loss of HMPP-389T mounted
on test line at 0V and -20V bias.
Normalization was used to remove
the pcb
’
s and connectors
’
losses
from the measurement of the
shunt switch
’
s loss. The active
trace was divided by the memo-
rized trace (Data/Memory) to
produce the normalized data. At
zero bias, the insertion loss was
under 0.6 dB up to 6 GHz (Figure
18). Applying a reverse bias to the
PIN diode has the effect of
reducing its parasitic capacitance.
With a reverse bias of -20V, the
insertion loss improved to better
than 0.5 dB (Figure 19).
FREQUENCY (GHz)
I
0
-0.2
-0.4
-0.6
-0.8
-1.0
1
6
2
4
5
3
Figure 18. Insertion loss of HMPP-389T at 0V.
FREQUENCY (GHz)
I
1
6
2
4
5
3
0
-0.2
-0.4
-0.6
-0.8
-1.0
Figure 19.
Insertion loss of HMPP-389T at -20V.
The PIN diode
’
s resistance is a
function of the bias current. So, at
higher forward current, the
isolation improved. The combina-
tion of the HMPP-389T and the
SK063A demoboard exhibited
more than 17 dB of isolation from
1 to 6 GHz at If
≥
1mA (Figure 20).
FREQUENCY (GHz)
I
-10
-14
-18
-22
-26
-30
1
6
2
0.15 mA
0.25 mA
0.5 mA
1 mA
1.5 mA
20 mA
4
5
3
Figure 20. Isolation at different frequencies
with forward current as a parameter.
The combination of the
HMPP-389T and the demo-board
allows a high performance shunt
switch to be constructed swiftly
and economically. The extremely
low parasitic inductance of the
package allows the switch to
operate over a very wide fre-
quency range.
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| HMPP-389T | MiniPak PIN switch diode |
| DEMO908GZ60UG | DEMO908GZ60UG |
| DEMO908AP64 | DEMO908AP64 Demonstration Module User＇s Guide |
| DEMO908AP64QSG | DEMO908AP64 Quick Start Guide |
| DEMO908GZ60QSG | Quick Start Guide for DEMO908GZ60 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| HMPP-3895-BLK | 功能描述:PIN 二極管 50 VBR 0.3 pF RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 反向電壓:200 V 正向連續(xù)電流: 頻率范圍:10 MHz to 6 GHz 端接類(lèi)型:SMD/SMT 封裝 / 箱體:QFN-3 封裝:Reel |
| HMPP-3895-TR1 | 功能描述:PIN 二極管 50 VBR 0.3 pF RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 反向電壓:200 V 正向連續(xù)電流: 頻率范圍:10 MHz to 6 GHz 端接類(lèi)型:SMD/SMT 封裝 / 箱體:QFN-3 封裝:Reel |
| HMPP-3895-TR2 | 功能描述:PIN 二極管 50 VBR 0.3 pF RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 反向電壓:200 V 正向連續(xù)電流: 頻率范圍:10 MHz to 6 GHz 端接類(lèi)型:SMD/SMT 封裝 / 箱體:QFN-3 封裝:Reel |
| HMPP-389T | 制造商:未知廠家 制造商全稱(chēng):未知廠家 功能描述:MiniPak PIN switch diode |
| HMPP-389T-BLK | 功能描述:PIN 二極管 50 VBR 0.3 pF RoHS:否 制造商:Skyworks Solutions, Inc. 配置: 反向電壓:200 V 正向連續(xù)電流: 頻率范圍:10 MHz to 6 GHz 端接類(lèi)型:SMD/SMT 封裝 / 箱體:QFN-3 封裝:Reel |
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