AK2400 Datasheet, PDF (16/52 Pages) Asahi Kasei Microsystems – High integrated receiver for PMR-LMR

[AK2400]
3) 2nd IF RX overall characteristics
Parameter
Conditions
Min. Typ. Max. Unit Remarks
12dB SINAD
Note 1)
-112
dBm
2nd IF block
Total Gain
NF
IIP3
IP1dB
Mode 5
Maximum gain setting for AGC
IFIP to IFOUT
{IFOG[2:0]}=001
Mode 5
Minimum gain setting for AGC
IFIP to IFOUT
{IFOG[2:0]}=001
Mode 5, BPF=F3
Maximum gain setting for AGC
IFIP to IFOUT
{IFOG[2:0]}=001
Maximum gain setting for AGC
IFIP=50.8635MHz&50.876MHz
{IFOG[2:0]}=001
Minimum gain setting for AGC
{IFOG[2:0]}=001
101
dB
49
dB
8
dB
-37
dBm
-40
dBm
Demodulation
Output
Level
f=3.0kHz,fmod=1kHz,
AGC+BPF=F1,{DISLPF_G[2:0]}=101
70
f=1.5kHz,fmod=1kHz,
AGC+BPF=F2,{DISLPF_G[2:0]}=001
70
100 130 mVrms
100 130 mVrms
f=3.0kHz,fmod=1kHz,Vin=-47dBm
AGC+BPF=F1,
42
50
dB
S/N Ratio
{DISLPF_G[2:0]}=101 Note 1)
f=1.5kHz,fmod=1kHz,Vin=-47dBm
AGC+BPF=F2,
36
46
dB
{DISLPF_G[2:0]}=001 Note 1)
f=0.5kHz,fmod=3kHz,Vin=-47dBm
Audio Frequency
characteristics
AGC+BPF=F3,
IFIP to AUDIOOUT
-4.3 -3.5
dB
{DISLPF_G[2:0]}=001 Note 2)
Note 1) With De-emphasis+BPF(0.3 to 3kHz)
Note 2) relative to the output level at fmod=1kHz
4) RSSI Characteristics
Parameter
Conditions
IFIP→RSSIOUT,
{AGC_OFF}=0
RSSI output voltage ^{IFIP=-115dBm input}
IFIP→RSSIOUT,
{AGC_OFF}=0
IFIP=-45dBm input
Min. Typ. Max. Unit Remarks
0.6
V
2.2
V
014008989-E-01
16
2015/4