U4276B TEMIC Semiconductors, U4276B Datasheet - Page 4

• Manufacturer Part Number: U4276B
• Description: FM Multipath Noise Cancellation
• Manufacturer: TEMIC Semiconductors

In order to achieve best performance, the MNC-circuit
has to be adapted well to the fieldstrength output of the
IF-IC. This can be done by adjustment of the DC-level at
U4276B
4 (8)
strength
1.17 V
Field
V
Mute
t
V
2
Preliminary Information
S
30
V
Figure 2.
Figure 3.
Mute
V
+
Pin Mute (R2/R3, see figure 4) in the range of V/2
The principle behaviour is shown in figure 3.
Mute
V
2
S
u
MNC activation level (AVFS)
V
2
S
RF level (dB
TELEFUNKEN Semiconductors
m
94 8663
V)
Rev. A1, 05-Sep-96
95 10694
"
1 V.