U4065B Datasheet, PDF (13/23 Pages) TEMIC Semiconductors – FM Receiver

U4065B
8
7
6
5
4
3
2
1
0
–30 –10 10 30 50 70 90
94 9414
T_amb ( °C )
Conversion power gain of the mixer stage
versus temperature
11.0
10.7
10.4
10.1
9.8
9.5
9.2
8.9
8.6
8.3
8.0
–30 –10 10 30 50 70 90
94 9415
T_amb ( °C )
Current of the mixer stage versus temperature
1^st IF Preamplifier
50
f_IF
2vi_IF
1:2
vi_IF21 21
R_g21 = 200
IL1
12
56
IF
7 ^voIF7
R_L7 = 200
4
T_amb
V(PIN4)
2:1
IL2
21
65
I4
Power gain G_IF = 20 log (vo_IF/vi_IF) + IL1 (dB) + IL2 (dB)
IL1, IL2 = insertion loss of the RF transformers
vo_IF
50
94 9416
Rev. A3, 15-Oct-98
13 (23)