PSPL5546 Datasheet

PSPL5546 7 GHz Bias Tee
Поставка указанных в настоящих технических характеристиках изделий корпорацией Tektronix прекращена.

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The PSPL5546 is a broadband, coaxial bias insertion tee and DC blocking capacitor. It was designed to have a very low cutoff frequency of only 3.5 kHz. It passes fast rise pulses with a minimum of waveform distortion. Its rise time is 45 ps. The frequency response is very flat, and the -3 dB bandwidth extends from 3.5 kHz to 7 GHz. The PSPL5546 is supplied with a 1 mH choke and terminal strip for connection to the DC bias.

Key performance specifications
  • 3.5 kHz to 7 GHz
  • 45 ps rise time
  • 50 V, 500 mA

Typical performance

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1 db/div log plot to 10  GHz Insertion Loss

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1 db/div log plot to 10  GHz Insertion Loss

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5 dB/div log plot to 10 GHz Return Los


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Top to bottom: 1 ns/div, 200 ps/div, and 50 ps/div. Response to 20 ps rise time input step



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2.5% rho/div and 200 ps/div. 35 ps rise time input step


Specifications

Parameter Symbol Units Minimum Typical Maximum Comments
Impedance Z ohms   50     
Upper 3 dB frequency fc,h GHz    
Lower 3 dB frequency fc,l kHz   3.5     
Rise time tr ps   45  75  10 – 90%
Insertion loss S21 dB   0.5     
Input (AC)
Return Loss
S11 dB   23    f = 100 MHz
Refl. Coefficient (35 ps TDR) Γ %   -5    t > 200 ps
DC voltage V Volts     50   
DC current I mA     500   
Capacitance C μF   0.9    - 50%, + 80%
Inductance L mH   1.34    +/- 30% 1
Resistance R ohms   1.5     
RF power P W     Average power
Isolation S13 dB   30     
DC path bandwidth fc,DC kHz   4.5     
RF Connectors SMA jacks (f)
DC Connector Solder pin
Warranty One Year

1 A 1 mH choke is supplied with the bias tee. It is to be wired in series directly to the DC in solder terminal on the coax module. This is a high impedance point. Avoid using long wire, especially coax, for this connection. Do not locate the choke close to ground. Excessive stray capacitance will cause a resonance that will appear as a dip in the insertion loss between 1 and 10 MHz.

Mechanical dimensions
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