Datasheet
BLF879P_BLF879PS All information provided in this document is subject to legal disclaimers. © NXP B.V. 2013. All rights reserved.
Product data sheet Rev. 3 — 12 July 2013 8 of 16
NXP Semiconductors
BLF879P; BLF879PS
UHF power LDMOS transistor
8. Test information
[1] American technical ceramics type 800R or capacitor of same quality.
[2] American technical ceramics type 800B or capacitor of same quality.
[3] American technical ceramics type 180R or capacitor of same quality.
[4] American technical ceramics type 100A or capacitor of same quality.
[5] Printed-Circuit Board (PCB): Taconic RF35;
r
= 3.5 F/m; height = 0.762 mm; Cu (top/bottom metallization);
thickness copper plating = 35 m.
Table 9. List of components
For test circuit, see Figure 6, Figure 7 and Figure 8.
Component Description Value Remarks
B1, B2 semi rigid coax 25 ; 49.5 mm UT-090C-25 (EZ 90-25)
C1 multilayer ceramic chip capacitor 12 pF
[1]
C2, C3, C4, C5,
C6
multilayer ceramic chip capacitor 8.2 pF
[1]
C7 multilayer ceramic chip capacitor 6.8 pF
[2]
C8 multilayer ceramic chip capacitor 2.7 pF
[2]
C9 multilayer ceramic chip capacitor 2.2 pF
[2]
C10, C13, C14 multilayer ceramic chip capacitor 100 pF
[3]
C11, C12 multilayer ceramic chip capacitor 10 pF
[2]
C15, C16 multilayer ceramic chip capacitor 4.7 F, 50 V Kemet C1210X475K5RAC-TU or
capacitor of same quality.
C17, C18, C23,
C24
multilayer ceramic chip capacitor 100 pF
[2]
C19, C20 multilayer ceramic chip capacitor 10 F, 50 V TDK C570X7R1H106KT000N or
capacitor of same quality.
C21, C22 electrolytic capacitor 470 F, 63 V
C30 multilayer ceramic chip capacitor 10 pF
[4]
C31 multilayer ceramic chip capacitor 9.1 pF
[4]
C32 multilayer ceramic chip capacitor 3.9 pF
[4]
C33, C34, C35 multilayer ceramic chip capacitor 100 pF
[4]
C36, C37 multilayer ceramic chip capacitor 4.7 F, 50 V TDK C4532X7R1E475MT020U or
capacitor of same quality.
L1 microstrip -
[5]
(W L) 15 mm 13 mm
L2 microstrip -
[5]
(W L) 5 mm 26 mm
L3, L32 microstrip -
[5]
(W L) 2 mm 49.5 mm
L4 microstrip -
[5]
(W L) 1.7 mm 3.5 mm
L5 microstrip -
[5]
(W L) 2 mm 9.5 mm
L30 microstrip -
[5]
(W L) 5 mm 13 mm
L31 microstrip -
[5]
(W L) 2 mm 11 mm
L33 microstrip -
[5]
(W L) 2 mm 3mm
R1, R2 wire resistor 10
R3, R4 SMD resistor 5.6 0805
R5, R6 wire resistor 100
R7, R8 potentiometer 10 k