1996 Jan 15
11
Philips Semiconductors
Product specication
Advanced pager receiver
UAA2082
BLOCK AND TEST DIAGRAM (930 MHz)
handbook,full
pagewidth
MLC227
ACTIVE
FILTER
GYRATOR
FILTER
ACTIVE
FILTER
GYRATOR
FILTER
low
noise
amplifier
Q
low
noise
amplifier
I
15
16
18
19
RF
pre-amplifier
11
R1
10
8
C3
1.7
to
3
pF
L1
5
nH
C2
1.0
pF
C1
1.2
pF
BAND
GAP
REFERENCE
IF
testpoints
TPI
TPQ
5
6
7
GND1
L3
3.5
nH
L2
3.5
nH
12
C4
150
pF
C5
150
pF
L10
5
nH
L11
5
nH
C7
1.5
pF
C6
1.7
to
3
pF
C8
1.5
pF
C9
1.2
pF
L4
12.5
nH
L5
12.5
nH
13
14
CRYSTAL
OSCILLATOR
FREQUENCY
MULTIPLIER
V
i(OSC)
V
ref
BLI
RE
to
decoder
3
2
1
TS
C14
150
pF
V
P
V
P
C13
4.7
F
26
27
SENSE
28
3.3
pF
C15
L8
33
nH
GND3
30
31
32
R4
390
C19
150
pF
UAA2082H
24
25
C12
1.7
to
3
pF
L7
3
nH
L6
3
nH
R3
330
R2
47
k
22
21
20
GND2
BATTERY
LOW
INDICATOR
LIMITER
Q
DEMO-
DULATOR
LIMITER
I
DO
MIXER
I
MIXER
Q
V
P
4
120
V
i(RF)
Fig.6
Test
circuit;
f
i(RF)
=
930.50
MHz.
Pins
9,
17,
23
and
29
are
not
connected.