uaa2068g NXP Semiconductors, uaa2068g Datasheet - Page 14

• Manufacturer Part Number: uaa2068g
• Description: Transmit Chain And Synthesizer With Integrated Vco For Dect
• Manufacturer: NXP Semiconductors

Philips Semiconductors
APPLICATION INFORMATION
1998 Nov 19
Transmit chain and synthesizer with
integrated VCO for DECT
handbook, full pagewidth
L1 and L2: order of magnitude.
Values depend on board layout.
ABC
from
chip
V CC
loop filter
V CC
8.2 pF
8.2 pF
560 pF
100 nF
1 k
1 k
1 k
8.2 pF
8.2 pF
V CC(SYD)
V CC(SYA)
SYDGND
SYAGND
CPGND
1.5 k
8.2 nF
8.2 pF
3.9 k
V CC
NPO
8.2 pF
DATA
XTAL
CP
1
2
3
4
5
6
7
8
8.2 k
120 pF
Fig.5 Typical application diagram.
6.8 nH
6.8 nH
R SET
32
9
22 pF
1 pF
31
10
8.2
V CC
pF
8.2 nH
10 pF
30
11
UAA2068G
1.8 nH
to receiver
TXOUT
3.9 pF
29
12
8.2
pF
14
28
13
27
14
8.2
pF
22 pF
8.2 nH
1 pF
10 pF
26
15
8.2 pF
25
16
1 k
19
18
17
24
23
22
21
20
8.2 pF
V CC
V REG
V TUNE
VCGND
VCOB
VCOA
VCOGND
V MOD
V CC(VCO)
8.2 pF
from ABC chip
8.2 pF
8.2 pF
1 k
1 k
V CC
6.8 nH
6.8 nH
L1
L2
ABC chip
from ABC
from
MGK385
chip
8.2
pF
82 nF
Product specification
UAA2068G