AK1572 Datasheet, PDF (9/35 Pages) Asahi Kasei Microsystems – Down Converter Mixer with Fractional-N Frequency Synthesizer and VCO

[AK1572]
3. Analog Circuit Characteristics
VDD1=2.7~5.25V, VDD2=4.75～5.25V,VDD3=2.7~3.6V or 4.75~5.25V, -40℃＜Ta＜85℃,
CPBIAS=27kohm, MIXBIAS=33kohm, IF output frequency=200MHz, Internal VCO using
unless otherwise specified.
Item
Min. Typ. Max. Unit
Remark
RF Frequency Range
690
4000 MHz
IF Frequency Range
20
500 MHz
Internal LO Frequency Range 262.5
4400 MHz
LO Input Level
dBm {MODE}=2,differential input
-5
0
+5
or {MODE}=3
LO Input Level 2
-5
+1 dBm {MODE}=2, single input
LO Output Level @1GHz
6
dBm {LOLV}=3
3
dBm {LOLV}=2
0
dBm {LOLV}=1
-6
dBm {LOLV}=0
Mixer
Mixer Input impedance
50
Ω with matching circuit
Mixer Output impedance
200
Ω with matching circuit
Current Adjusting resistance
22
33
56
kΩ Connect to [MIXBIAS] pin
RFIN=2GHz
Conversion Gain
-4.5 -1.5 1.5
dB
Half IF response
-60
dBc Pin=-5dBm
RF P1dB
7
10
dBm
IIP3
20
23
dBm guaranteed by design
NF
14 17
dB guaranteed by design
Local Leakage LO-to-RF
-60
dBm Use internal VCO
-55
dBc Use external Local
Local Leakage LO-to-IF
-80
dBm Use internal VCO
-70
dBc Use external Local
RFIN=1GHz
NF
12
dB
RFIN=4GHz
NF
18
dB
MS1551-E-00
9
2013//8