AK2363 Datasheet, PDF (28/33 Pages) Asahi Kasei Microsystems – Radio Signaling LSI

ASAHI KASEI
[AK2363]
4) AGC circuit operation
When AGCSW [1:0] register is set to 01, AGC circuit is enable to operate as shown below table.
RXINO or
DTMFIN pin
Input level
(dBx)
-21
-22
-23
-24
-25
-26
-27
-28
-29
-30
-31
-32
-33
-34
-35
-36
-37
-38
-39
PGA setting
Gain
(dB)
0
0
0
0
0
0
0
+4
+4
+4
+4
+8
+8
+8
+8
+12
+12
+12
+12
PGA=0dB
Internal level
(dBx)
-21
-22
-23
-24
-25
-26
-27
-
-
-
-
-
-
-
-
-
-
-
-
PGA=+4dB
Internal level
(dBx)
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-
-
-
-
-
-
-
-
PGA=+8dB
Internal level
(dBx)
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
-
-
-
-
PGA=+12dB
Internal level
(dBx)
-9
-10
-11
-12
-13
-14
-15
-16
-17
-18
-19
-20
-21
-22
-23
-24
-25
-26
-27
MS0583-E-01
- 28 -
2008/06