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15 GHz Bias Tee

PSPL5547 Datasheet

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詳細情報

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PSPL5547-Datasheet
PSPL5547 Datasheet

The PSPL5547 is a broadband, coaxial bias insertion tee and DC blocking capacitor. It was designed to have a very low cutoff frequency of only 5 kHz. It passes fast rise pulses with a minimum of waveform distortion. Its rise time is 23 ps. The frequency response is very flat, and the -3 dB bandwidth extends from 5 kHz to 15 GHz. The PSPL5547 is supplied with a 1 mH choke and terminal strip for connection to the DC bias.

Key performance specifications
  • 5 kHz to 15 GHz
  • 23 ps rise time
  • 50 V, 500 mA

Typical performance

PSPL5547-Datasheet-EN_US-9-L

1 dB/div log plot to 20 GHz Insertion Loss

PSPL5547-Datasheet-EN_US-10-L

1 db/div log plot to 20 GHz Insertion Loss

PSPL5547-Datasheet-EN_US-11-L

5 db/div log plot to 20 GHz Return Loss


PSPL5547-Datasheet-EN_US-12-L


Top to bottom: 500 ps/div, 100 ps/div, and 20 ps/div. Response to 15 ps rise time input step


PSPL5547-Datasheet-EN_US-13-L


2.5% 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,hGHz 10  >15    
Lower 3 dB frequency fc,l kHz  5   12 kHz w/o inductor
Rise time tr ps  23  35  10 – 90%
Insertion loss S21dB  0.5    
Input (AC)
Return Loss 		S11dB  23   f = 100 MHz
Refl. Coefficient (35 ps TDR) Γ %  -5   t > 200 ps
DC voltage V V   50   
DC current I mA   500   
Capacitance C μF  0.44   - 50%, + 80%
Inductance L mH  1.34   ±30% 1
Resistance R ohms  1.5    
RF power P W   2  Average power
Isolation S13dB  30    
DC path bandwidth fc,DCkHz  6    
RF Connectors SMA jacks (f)
DC Connector Solder pin
Warranty One Year

 

Mechanical dimensions
 

PSPL5547-Datasheet-EN_US-14-L


PSPL5547-Datasheet-EN_US-15-L


1A 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

Ordering information

Models
PSPL5547
BIAS TEE, 15 GHz, 50 V