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15 GHz Bias Tee

PSPL5580 Datasheet

The PSPL5580 is a broadband coaxial bias insertion tee and DC blocking capacitor designed to pass fast rise pulses without waveform distortion. The rise time is 28 ps with a –3 dB bandwidth extending from 10 KHz to 15 GHz. The PSPL5580 is designed to handle DC currents up to 2 A. The PSPL5580 is supplied with an external choke mounted to a terminal strip and an additional inductive circuit on an external PCBA.

Key performance specifications

10 kHz to 15 GHz
28 ps rise time
50 V, 2 A

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	10	15
Lower 3 dB frequency	f_c,l	kHz		10
Rise time	t_r	ps		28	35	10 - 90%
Insertion loss	S₂₁	dB		1		0.1 - 3 GHz, ±0.5 dB
Input (AC) Return Loss	S₁₁	dB	RL > 15 dB - 1 dB / GHz * f (GHz)			0.1 < f < 10 GHz
Refl. Coefficient (35 ps TDR)	Γ	%		+8 -13		t ≤ 100 ps t > 100 ps
DC voltage	V	V			50
DC current	I	A			2
Capacitance	C	µF		0.22		- 50%, + 80%
Inductance	L	mH		1.1		±25%
Resistance	R	ohms		0.8
RF power	P	W			2.5	Average power
Isolation	S₁₃	dB		30
DC path bandwidth	f_c,DC	kHz		9
RF Connectors	SMA jacks (f)
DC Connector	Wires to PC Board and DC ¹
Warranty	One year

Mechanical dimensions

Dimensions in inches, Tolerance = 0.01

¹ The PSPL5580 consists of a coaxial unit, external coil and a separate pc board. These are hi-z circuits. To prevent undesired HF resonances, do not use coax or long wires. If the pc board is not used, the low frequency cut-off is 500 kHz.

Ordering information

Models

PSPL5580: BIAS TEE, 15 GHz, 50 V, 2 A

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