U4065B Datasheet, PDF (4/34 Pages) TEMIC Semiconductors – FM Receiver

Pin Description
Pin
Symbol
1
LOBUFF
2
GND1
3
IF2OUT
4
GAINIF1
5
IF2IN
6
VS
7
IF1OUT
8
GND2
9
IMIFIN
10
AGCOUT
11
IMMIXOUT
12
NC
13
AGCWB
14
GND3
15
MIXIN1
16
MIXIN2
17
VREF
18
MIXOUT1
19
MIXOUT2
20
GND4
21
IF1IN
22
GND5
23
LOE
24
LOB
Function
Buffered local oscillator output
Ground of the second IF amplifier
Output of the second IF amplifier
Gain control of the first IF amplifier
Input of the second IF amplifier
Supply voltage
Output of the first IF amplifier
Ground
Input of the amplifier for the IM sensor
Output of the automatic gain control
Output of the intermodulation mixer
Not connected
Threshold adjustment of the wideband AGC
Mixer ground
Input 1 of the double-balanced mixer
Input 2 of the double-balanced mixer
Reference voltage output
Mixer output 1
Mixer output 2
Ground of the first IF amplifier
Input of the first IF amplifier
Oscillator ground
Local oscillator (emitter)
Local oscillator (base)
4 U4065B
4807A–AUDR–05/04