D1008UK Datasheet, PDF (4/4 Pages) Seme LAB – METAL GATE RF SILICON FET

D1008UK
GATE BIAS
1nF
6.8K
100K
100pF
T2
T1
INPUT
L1
T3
100pF
6 x 3.5mm
contact pad
2-18pF
6 x 3.5mm
contact pad
6 x 3.5mm
contact pad
D1008
D1008
6 x 3.5mm
contact pad
1nF
L3
L4
10Ω
6.8K _1nF
+28V
100uF
T4
100pF
T6
1-3.5pF
T5
OUTPUT
L2
100pF
D1008UK TEST FIXTURE
Substrate 1.6mm PTFE/glass, Er=2.5
All microstrip lines W=4.4mm
T1 70mm 50Ω UT34 SEMI RIGID COAX
T2,T3 85mm 25Ω UT70-25 SEMI RIGID COAX
T4,T5 100mm 15Ω UT85-15 SEMI RIGID COAX
T6 70mm 50Ω UT85 SEMI RIGID COAX
L1 3.5 turns of 24swg ECW, 3mm ID
L2 5.5 turns of 24swg ECW, 4mm ID
L3 4 turns of 21swg ECW, 7mm ID
L4 3 turns of 21swg ECW on Fair-Rite FT50-75 core
Semelab plc. Telephone [phone]. Fax [phone].
9/99
E-mail: [e-mail] Website: http://www.semelab.co.uk