PSPL5550B Datasheet

PSPL5550B 18 GHz Bias Tee Datasheet
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The PSPL5550B is a broadband coaxial bias insertion tee and DC blocking capacitor designed to pass fast rise pulses with minimum waveform distortion. The rise time is 20 ps with a -3 dB bandwidth extending from 100 kHz to 18 GHz. The PSPL5550B will safely carry 500 mA of DC current. However, core saturation limits the low frequency response at DC currents above 50 mA.

Key performance specifications
  • 100 kHz to 18 GHz
  • 20 ps rise time
  • 50 V, 500 mA

Typical performance

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1 db/div and 2 GHz/div Insertion Loss

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5 db/div and 2 GHz/div Return Loss

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10 dB/div and 2 GHz/div Isolation (AC-DC)

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Top to bottom: 500 ps/div, 100 ps/div, and 20 ps/div. 10 ps Step Response

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5% rho/div and 200 ps/div. 35 ps TDR of AC port

Specifications

Parameter Symbol Units Minimum Typical Maximum Comments
Impedance Z ohms   50     
Upper 3 dB frequency fc,h GHz 14  >18     
Lower 3 dB frequency fc,l kHz   100     
Rise time tr ps   20  25  10 – 90%
Insertion loss S21 dB   0.9    0.01 – 4 GHz
Input (AC)
Return Loss
S11 dB RL > 15 dB – 2 dB / GHz * f (GHz)
RL > 11 dB – 0.4 dB / GHz * f (GHz)
0.1 2 GHz
Refl. Coefficient (35 ps TDR) Γ %   +8 
-12 
  t t > 100 ps
DC voltage V V     50   
DC current I mA     500   
Capacitance C μF   0.02    ±20%
Inductance L mH     ±30%
Resistance R ohms   0.4     
RF power P W     2.5  Average power
Isolation S13 dB   ≥30     
DC path bandwidth fc,DC kHz   16     
Core Saturation
(-3 dB low freq.)
fc,lsat kHz   ≤100 
160 
350 
  DC Current
150 mA
500 mA
RF Connectors SMA jacks (f)
DC Connector SMA jack (f)
Warranty One Year

 

Mechanical dimensions
 

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.XX = 0.01; .XXX = 0.05


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