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PSPL5550B 18 GHz Bias Tee Datasheet
PSPL5550B 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
1 db/div and 2 GHz/div Insertion Loss
5 db/div and 2 GHz/div Return Loss
10 dB/div and 2 GHz/div Isolation (AC-DC)
Top to bottom: 500 ps/div, 100 ps/div, and 20 ps/div. 10 ps Step Response
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 | 1 | ±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
.XX = 0.01; .XXX = 0.05
Ordering information
Models
- PSPL5550B
- BIAS TEE, 18 GHz, 50 V