SD2932_04 Datasheet, PDF (5/12 Pages) STMicroelectronics – RF POWER TRANSISTORS HF/VHF/UHF N-CHANNEL MOSFETs

175 MHz Test Circuit Schematic (Production Test Circuit)
SD2932
NOTES:
1. DIMENSION AT COMPONENT SYMBOL ARE REFERENCE FOR COMPONENT PLACEMENT.
2. GAP BETWEEN GROUND & TRANSMISSION LINES IS + 0.002{0.05} - O.OOO[0.00] TYP
REF. 1022256B
175 MHz Test Circuit Component Part List
R1,R2,R5,R6
R3,R4
470 Ohm 1 W, Surface Mount Chip Resistor
360 Ohm 0.5 W, Carbon Comp. Axial Lead Resistor or Equivalent
R7,R8
R9,R10
560 Ohm 2 W, Resistor Two Turn Wire Air-Wound Axial Lead Resistor
20 K Ohm 3.09 W, 10 Turn Wirewound Precision Potentiometer
C1,C4
680 pF ATC 130B Surface Mount Ceramic Chip Capacitor
C2,C3,C7,C8,C17,C19,C20,C21 10000 pF ATC 200B Surface Mount Ceramic Chip Capacitor
C5
75 pF ATC 100B Surface Mount Ceramic Chip Capacitor
C6
C9,C10
ST40 25 pF - 115 pF Miniature variable Trimmer
47 pF ATC 100B Surface Mount Ceramic Chip Capacitor
C11,C12, C13
43 pF ATC 100B Surface Mount Ceramic Chip Capacitor
C14,C15,C24,C25
C16,C18
C22,C23
C26,C27
C28
B1
B2
1200 pF ATC 700B Surface Mount Ceramic Chip Capacitor
470 pF ATC 700B Surface Mount Ceramic Chip Capacitor
0.1 µF / 500 V Surface Mount Ceramic Chip Capacitor
0.01 µF / 500 V Surface Mount Ceramic Chip Capacitor
10 µF / 63 Aluminum Eletrolytic Axial Lead Capacitor
50 Ohm RG316 O.D 0.076[1.93] L = 11.80[299.72] Flexible Coaxial Cable 4 Turns
thru Fair-rite Bead
50 Ohm RG-142B O.D 0.165[4.19] L = 11.80[299.72] Flexible Coaxial Cable
T1
R.F. Transformer 4:1, 25 Ohm O.D RG316-25 O.D 0.080[2.03] L = 5.90[149.86]
Flexible Coaxial Cable 2 Turns thru Fair-rite Multi-Aperture Core
T2
L1
FB1,FB5
R.F. Transformer 1:4, 25 Ohm Semi-rigid Coaxial Cable O.D. 0.141[3.58] L =
5.90[149.86]
Inductor λ 1/4 Wave 50 Ohm O.D 0.165[4.19] L = 11.80 [299.72] Flexible Coaxial
Cable 2 Turns thru Fair-rite Bead
Shield Bead
FB2,FB6
FB3
Multi-aperture Core
Multilayer Ferrite Chip Bead (Surface Mount)
FB4
Surface Mount Emi Shield Bead
PCB
Woven Glass Reinforced PTFE Microwave Laminate 0.06”, 1 oz EDCu, Both sides,
εr = 2.55
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