SL6679
Pin name
IRF
Pin description
Pin number
1
LNA current source
Ground
2
GND
3
MIXIP A
MIX DEC
MIXIP B
REG CNT
VREG
TPI
Mixer input A
4
Mixer biasing decouple
Mixer input B
5
6
1V regulator control external PNP drive
1V regulator output voltage
I channel pre-gyrator filter test point.
Mixer output, I channel
7
8
9
I1
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
I2
Mixer output, I channel
VCC1
Positive supply 1
LOIP I
GYRI
LO input channel I
Gyrator current adjust pin
LO input channel Q
LOIP Q
Q1
Mixer output, Q channel
Q2
Mixer output, Q channel
TPQ
Q channel pre-gyrator filter test point
Reference voltage
VREF
AFC OP
BEC
AFC output
Battery economy control
DATA OP
VCC2
Data output pin
Positive supply 2
BATT FLAG
AFC1
Battery flag output
AFC characteristic defining pin
AFC characteristic defining pin
Bit rate filter control
AFC2
BRF CNT
BRF1
Bit rate filter 1, output from detector
Battery flag input voltage
I channel limiter (post gyrator filter) test point, output only
Audio AGC output current
Audio AGC time constant adjust
Audio AGC gain and threshold adjust. RSSI signal indicator
VBATT
TP LIM I
IAGC OP
TC ADJ
GTH ADJ
Table 1 SL6679 pin descriptions
2