GL Series
Ultra Broad Band Inductor
ADVANTAGES
• Ultra Broad Band Performance • Ultra-Low Insertion Loss • Excellent Return Loss Through 40 GHz • Flat Frequency Response • Part to Part Performance Repeatability • Rugged Powdered Iron Core
APPLICATIONS
• Communication Customers • Receiver Optical Sub-Assemblies • Transimpedance Amplifier Customers • Test Equipment Manufacturers
The GL Series was developed specifically to deliver repeatable and reliable Ultra Broad Band performance up through 40 + GHz. The GL Series of inductors provide Ultra-Low Insertion loss, excellent return loss and extreme part to part performance repeatability. The pyramid shape of the GL Series provides for maximum inductance in the space available. The GL Series was
developed using a powdered iron core and gold plated terminations that allow for easy use in hand solder applications. The combination of Flat Frequency Response with the Ultra-Low Insertion loss makes this an ideal component for optical data systems, transimpedance amplifers and test equipment.
MECHANICAL SPECIFICATIONS
Insulated .001 (.025) Max. .011 (.280) Max.
H
Uninsulated 0.20 +0.10 -.05 (5.08 + 2.54 -1.27) Insulated .030 ± .020 (.762 ± .508) Uninsulated .40 +.150 -.05 (10.16 +3.81 -1.27)
L
inches (mm)
Inductance (μH)
2 6 11
L
0.102 ± 0.002 (2.59 ± 0.051) 0.182 ± 0.003 (4.62 ± 0.076) 0.182 ± 0.003 (4.62 ± 0.076)
H
0.065 ± 0.002 (1.65 ± 0.051) 0.073 ± 0.002 (1.85 ± 0.051) 0.072 ± 0.002 (1.83 ± 0.051)
# of Turns
46 Turns #44 AWG Cu 80 Turns #44 AWG Cu 110 Turns #47 AWG Cu
ELECTRICAL SPECIFICATIONS
Operating Temperature: -55ºC to + 125ºC Operating Frequency Range 2.3 MHz to 40 GHz 880 KHz to 40 GHz 500 KHz to 40 GHz Insertion Loss 0.5 dB typ. 0.6 dB typ. 0.4 dB typ. Return Loss -17 dB typ. -18 dB typ. -18 dB typ. Rdc (Ω) @ 20ºC, 10 mA current 1.45 2.90 7.00 IDC (mA), dc max. 250 200 115 Number of Turns 46 80 110 Cu Wire Size (AWG) 44 44 47
Inductance (μH) 2 6 11
GL Series
Ultra Broad Band Inductor
HOW TO ORDER
GL 6R0 K A 7 B
AVAILABLE PART NUMBERS
GL2R0KA7B250 GL6R0KA7B200 GL110KA7B115
Style
Inductance First 2 significant digits for inductance
Tolerance K = ± 10%
Failure Rate
Termination 7 = 15-25µ in., Gold Plate
Packaging B = 1 piece in plastic box
GL2R0KA7B250
S21
2.50 2.05 50.00 40.00 1.50 1.00 0.50 0.00 -0.50 -1.00 -1.50 -2.00 -2.50 0 8 16 24 32 40 30.00 20.00 10.00 0.00 -10.00 -20.00 -30.00
S11
Magnitude dB
(Typical)
Magnitude dB
-40.00 -50.00 0.4 8 16 24 32
(Typical)
40
Frequency (GHz)
Frequency (GHz)
GL6R0KA7B200
2.50 2.05 1.50 1.00 0.50 0.00 -0.50 -1.00 -1.50 -2.00 -2.50
Cht: Start 400.00 MHz Stop 40.0000 GHz (1) B21 / M dB LogMag C 2-Port
50.00 40.00 30.00 20.00 10.00 0.00 -10.00 -20.00 -30.00 -40.00 -50.00
(1) B21 / M dB LogMag C 2-Port
Cht: Start 400.00 MHz
Stop 40.0000 GHz
GL110KA7B115
(1) B21 / M dB LogMag C 2-Port
2.50 2.05 1.50 1.00 0.50 0.00 -0.50 -1.00 -1.50 -2.00 -2.50
Cht: Start 400.00 MHz Stop 40.0000 GHz
(1) B21 / M dB LogMag C 2-Port
50.00 40.00 30.00 20.00 10.00 0.00 -10.00 -20.00 -30.00 -40.00 -50.00
Cht: Start 400.00 MHz Stop 40.0000 GHz
TEST PARAMETERS:
All testing performed on 10 mil thick Rogers RO4350 microstrip board, with the GL Leads connected between the microstrip trace and the underside ground plane (nominal 50 ohm characteristic impedance)
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