uaa2082 NXP Semiconductors, uaa2082 Datasheet - Page 8

• Manufacturer Part Number: uaa2082
• Description: Advanced Pager Receiver
• Manufacturer: NXP Semiconductors

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IF testpoints
TPI
REFERENCE
V
1
BAND GAP
P
BLI
RE
DO
TPQ
2
28
2.7 pF
DEMODULATOR
Fig.4 Block, test and application diagram drawn for naked die; f
V ref
C18
1 nF
C1
V i(RF)
27
560 nH
3
2.5 to 6 pF
12.5 nH
C3
L9
26
LIMITER
L1
R5
1.5 k
I
13 to
50 pF
TS
25
C16
4
LIMITER
RF pre-amplifier
C2
2.7 pF
330
OSCILLATOR
Q
INDICATOR
CRYSTAL
BATTERY
24
15 pF
LOW
C17
XTAL
5
R1
V
GND1
P
GYRATOR
GYRATOR
23
FILTER
FILTER
6
GND3
22
7
8 nH
R6
22
k
L3
C20
1 nF
L8
100
nH
C4
21
UAA2082U
8 nH
L2
V bias(osc)
SENSE
ACTIVE
FILTER
ACTIVE
FILTER
1 nF
8
20
C15
3 to
10 pF
FREQUENCY
MULTIPLIER
C5
2.5 to 6 pF
9
19
R 4
1.2 k
C14
1 nF
low noise
low noise
1 nF
amplifier
amplifier
C6
Q
I
C13
10 F
2.7 pF
2.7 pF
i(RF)
22 pF
18
8 nH
C7
C8
= 469.95 MHz.
L7
2.5 to 6 pF
MIXER I
C10 C11
C12
10
R3
820
8 nH
L6
11
22 pF
17
C9
2.7 pF
MIXER Q
12
L4
40
nH
C 19
1 nF
16
47 k
V
R2
P
13
L5
40
nH
MLC225
GND2
14
15