NXP Semiconductors AN10714, Application Note

Page: 7 / 21

AN10714_1 © NXP B.V. 2010. All rights reserved.
Application note Rev. 01 — 26 January 2010 7 of 21
NXP Semiconductors
AN10714
Using the BLF574 in the 88 MHz to 108 MHz FM band
2.3 Bill Of Materials
Table 1. Bill of materials for the BLF574 input and output circuits
PCB material: Taconic RF35;
ε
r
= 3.5; thickness 0.76 mm (30 mil). Figure 3 shows the BLF574 PCB layout.
Designator Description Part number Manufacturer
B1 63.5 mm (2.5 ”)/50
Ω
semirigid through
ferrite
[1]
ferrite: BN-61-202 Amidon
semirigid: 047-50 Micro-Coax
B2 coax cable; 124.5 mm (4.9 ”)/50
Ω
;
ID = 3.5814 mm (0.141 ")
UT-141C-Form-F Micro-Coax
C1 not connected - -
C2, C3 4700 pF ceramic chip capacitor ATC700B472KW50X American Technical Ceramics
C4, C7, C26, C29 1
μ
F ceramic chip capacitor GRM31MR71H105KA88L MuRata
C5, C6, C9 100 nF ceramic chip capacitor GRM21BR71H104KA01L MuRata
C8 620 pF ceramic chip capacitor ATC100B621JT100X American Technical Ceramics
C10, C11 390 pF ceramic chip capacitor ATC100B220GT500X American Technical Ceramics
C12, C13 180 pF ceramic chip capacitor ATC100B181JT200X American Technical Ceramics
C14 6.8 pF ceramic chip capacitor ATC100B6R8CT500X American Technical Ceramics
C15, C16 15 pF ceramic chip capacitor ATC100B150JT500X American Technical Ceramics
C17, C21, C31, C32 100 nF/250 V ceramic chip capacitor GRM32DR72E104KW01L MuRata
C18, C22, C33, C34 2.2
μ
F/100 V ceramic chip capacitor GRM32ER72A225KA35 MuRata
C19, C23 not connected - -
C20, C24 1000
μ
F, 100 V electrolytic capacitor EEV-TG1V102M Panasonic
C25, C28 10 nF/35 V ceramic chip capacitor GRM32ER7YA106KA12L MuRata
C27, C30 100 nF ceramic chip capacitor GRM31CR72E104KW03L MuRata
D1 LED APT2012CGCK KingBright
L1 21.7 mm
×
1.75 mm (855 mil
×
69 mil) - -
L2 9.2 mm
×
1.65 mm (364 mil
×
65 mil) - -
L3 9.9 mm
×
1.75 mm (390 mil
×
69 mil) - -
L4, L5 6.2 mm
×
5.5 mm (243 mil
×
218 mil) - -
L6, L7
[2]
- -
L8, L9 5.2 mm
×
5.54 mm (205 mil
×
218 mil) - -
L10, L11 13.0 mm
×
13.2 mm (511 mil
×
520 mil) - -
L12, L13 8.8 mm
×
13.2 mm (345 mil
×
520 mil) - -
L14, L15 8.83 mm
×
3.81 mm (348 mil
×
150 mil) - -
L16, L17
[2]
- -
L18, L23 3 turns 14 gauge wire;
ID = 7.9 mm (0.310 ”) - -
L19 21.2 mm
×
1.75 mm (834 mil
×
69 mil) - -
L20 9.5 mm
×
1.82 mm (373 mil
×
72 mil) - -
L21 13.99 mm
×
1.7 mm (551 mil
×
65 mil) - -
L22 ferroxcube bead 2743019447 Fair Rite
L24 50.8 mm (2 ”); 14 gauge wire;
ID = 15.5 mm (0.61 ”)
[3]
- -
L25 7.6 mm
×
15.3 mm (299 mil
×
604 mil) - -