U4065B Datasheet, PDF (10/23 Pages) TEMIC Semiconductors – FM Receiver

U4065B
Test Circuit
vo IF
4.7n
4.7n
Gain IF 1
0 to 140mA
1
6
50
5
2
6
5
2
1
vi IF
50
vi IF
50
1
5
I4
RL7 ^RG5
4
20
7
5
2
50
5
1
vo IF
4.7n
Vs
vo IF
6
2
I18,19
21
RG21
50 5
1
2
18
RL18,19 ₁₉
6
14
5
50
1
vi RF
2
4.7n ₁₅
RG15,16 ₁₆
6
4.7n
fosc
Cosc
8 p _{Rg24 24}
47p
23
Losc
33p
IF 1
Mixer
AGC
block
3
I3
IF 2
2
6
RL3
Vs
10
I10
V
13 ^{I13 R13}
AGC adjust
(wide band)
Voltage ⁶
regulator
Vs
I6
Interference
mixer
17
1m
Vref = 4 V
Local
oscillator
22
1
11
RLOBUFF
470p
RG11
2
1
Interference
amplifier
RG9
9
2
5
12
8
4.7n
6
1
50
vi IF
vo IF
Z/Ohm
1 ^{50 200} ₂
94 8829
vLOBUFF
fLOBUFF
RL1
6
4.7n
5 ⁵⁰
RF Transformers MCL
Type TMO 4 – 1
IL = 0.7 dB
50
4
06
10 (23)
Rev. A3, 15-Oct-98