Philips BGY280 - Manual (Page 7)

2000 Nov 15 7
Philips Semiconductors Preliminary specification
UHF amplifier module BGY280
Z
1
Z
4
Z
3
Z
2
V
C
V
C
V
S
V
S RF input RF output
RF output RF input
GSM1800
BGY280
GSM900
12
13
15
16
8
7
5
4
Fig.11 Test circuit
List of components (See Fig 10 and 11)
Note
1. The striplines are on a double copper-clad printed-circuit board with PTFE fibreglass dielectric ( ε
r
= 2.2);
thickness 1 ⁄
32
inch.
COMPONENT DESCRIPTION VALUE DIMENSIONS CATALOGUE NO.
C
1
, C
4
multilayer ceramic chip capacitor 100
µF; 40 V
C
2
, C
3
electrolytic capacitor 100 nF
Z
1
, Z
2
, Z
3
, Z
4
stripline; note 1 50
Ω
width 2.33 mm
R1, R
2
metal film resistor 100 Ω; 0.6 W 2322 156 11001