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PSPL5550B 18 GHz Bias Tee Datasheet

PSPL5550B Datasheet

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	f_c,h	GHz	14	>18
Lower 3 dB frequency	f_c,l	kHz		100
Rise time	t_r	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	f_c,DC	kHz		16
Core Saturation (-3 dB low freq.)	f_c,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

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