AK2400 Datasheet, PDF (41/52 Pages) Asahi Kasei Microsystems – High integrated receiver for PMR-LMR

[AK2400]
Typical Evaluation Board Schematic (1st MIXER)
Figure 23 Typical Evaluation Board Schematic (1st MIXER)
Note 1)
Note 2)
Note 3)
Note 4)
The exposed pad at the center of the backside should be connected to ground.
The open drain output needs power feeding via a inductor. (IFOUTP pin and IFOUTN pin)
It is necessary to adjust impedance matching as to its setting frequency. (RF input and IF output)
If 1st Mixer is not used, each pin are terminated as below.
Register {BSSEL_FMIX}, {PDFSTIX_N}, {FMIX_HV} and {FMIX_IP3} on Address 0x0A must be
set to 0
No.
Name
Terminating
condition
1
RFIN
OPEN
2
AVSS1 VSS
3
IFOUTP OPEN
4
IFOUTN OPEN
5
MIXVDD VSS
53 BIAS2
VSS
54 BIAS1
VSS
55 LOINP
OPEN
56 LOINN
OPEN
014008989-E-01
41
2015/4