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参数资料
| 型号： | PMB2331 |
| 厂商： | SIEMENS A G |
| 元件分类： | 衰减器 |
| 英文描述： | The mixer used in this design is a general purpose up-/downconversion gilbert cell mixer |
| 中文描述： | 2000 MHz RF/MICROWAVE TRIPLE BALANCED MIXER |
| 封装： | PLASTIC DUAL SMALL OUTLINE, 8 |
| 文件页数： | 13/21页 |
| 文件大小： | 556K |
| 代理商： | PMB2331 |
PMB 2331
Semiconductor Group
13
02.96
Figure 5
Test Circuit 2
S-Parameter Measurement of Mixer
S11, S12, S21, S2
The S-Parameters are tested at the indicated frequency and the equivalent parallel or
series circuit is calculated on this base.
Via the NWA the capacitive coupling is done and the open collector pins are connected
to
V
CC
. The output levels at port1 and 2 for pin x and y are – 30 dbm for MI and MO-
impedances and – 5 dbm for the LO impedance. S-Parameters have to be considered
as design hints and are measured with SIEMENS testboards (RT/Duroid 5880 Teflon,
ε
= 2.2
).
Test
LO-Input impedance
Mi-Input impedance
MO-Output impedance
Test Frequency [GHz]
.. - 3.0
.. - 3.0
.. - 3.0
Pin X
4
7
1
Pin Y
5
8
2
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