參數(shù)資料
型號(hào): PMB2201
廠商: SIEMENS A G
元件分類: 衰減器
英文描述: Mixer DC - 2.5GHz and Vector Modulator 0.8 - 1.5GHz
中文描述: 800 MHz - 1500 MHz RF/MICROWAVE VECTOR MODULATOR
封裝: PLASTIC, TSSOP-24
文件頁數(shù): 19/31頁
文件大?。?/td> 339K
代理商: PMB2201
PMB 2201
Semiconductor Group
19
08.97
2.4
S-Parameters and Input/Output Impedances
The S-parameters provided in this section are based on measurements at the supply
voltage of VCC = 3.6V. Via the internal bias tees of the NWA the capacitive coupling is
done and the open collector pins are connected to VCC.
The S-parameters have to be considered as application hints.
The input/output impedances are calculated from these parameters. The impedances
are given as equivalent circuit with lumped elements for differential and single ended in-
/outputs.
As equivalent circuit for these in-/outputs a resistor Rp parallel to a capacitance Cp is
derived:
The IF-Input impedance is given as a equivalent circuit of a resistor Rs serial to a
inductivity Ls.
Test
Frequency
[MHz]
25 - 2500
25 - 2500
25 - 2500
800 - 1500
800 - 1500
Port 1
Port 2
Output
levels
-5 dBm
-30 dBm
-30 dBm
-5 dBm
-30 dBm
RF-Input impedance
IF-Input impedance
MO-Output impedance
LO-Input impedance
E-Output impedances
RF
IF
MO
LO
E
RFX
IFX
MOX
LOX
EX
Cpd
Rpd
differential
Cps
Rps
single
ended
Lsd
Rsd
differential
single
ended
Lss
Rss
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