CND2047-DAG
Typical bias tuning
Tamb=25°
C
Vdd
9GHz Frequency Divider by 4
1
1 nF
Signal generator
50 Ohms load
Tansmission lines
are 50 Ohms
0°
1 nF
180°
8
1 nF
Spectrum
analyzer
50 Ohms load
1 nF
4
Fig.1: Typical measurement and RF biasing configuration
(Differential inputs)
Vdd
1
Signal generator
50 Ohms load
Tansmission lines
are 50 Ohms
1 nF
8
5
1 nF
Q
F/4 RF output (50 Ohms)
QB
F/4 RF output (50 Ohms)
1 nF
Fig.2: RF biasing configuration with single input
Fig.3: Chip block diagram
Ref. : DSCND2047-DAG7087 - 28 Mar 07
6/8
Specifications subject to change without notice
Route Départementale 128, B.P.46 - 91401 ORSAY Cedex - FRANCE
Tel.: +33 (0) 1 69 33 03 08 - Fax: +33 (0) 1 69 33 03 09
4
5
UMS [ UNITED MONOLITHIC SEMICONDUCTORS ]
