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DATA SHEET ? SKY73070 DOWNCONVERSION MIXER
Table 3. SKY73070 Recommended Operating Conditions
Parameter
Supply voltage, +5 V
Supply current
LO input power
Operating case temperature
RF frequency range
LO frequency range (Note 1)
IF frequency range
VCC
I CC
P LO
T C
f RF
F LO
F IF
Symbol
Minimum
4.75
–6.0
–40
700
900
40
Typical
5.00
210
0
Maximum
5.25
+6.0
+85
1000
1250
300
Units
V
mA
dBm
° C
MHz
MHz
MHz
Note 1 : The SKY73070 has been optimized for high-side LO injection. However, the LO can be used outside of the specified frequency range with degraded performance.
Table 4. SKY73070 Electrical Specifications
(VCC = +5 V, T A = +25 ° C, LO = 0 dBm, RF Frequency = 900 MHz, IF Frequency = 200 MHz, LO Frequency = 1100 MHz, Unless Otherwise
Noted)
Conversion gain
Parameter
G
Symbol
Test Condition
f RF = 824 to 915 MHz,
Min
8.2
Typical
9.5
Max
Units
dB
T A = 25 ° C, P LO = –3 to
+3 dBm
Gain variation over temperature
T A = –40 to +85 ° C
± 0.6
dB
Noise Figure
NF
T A = 25 ° C, P LO = –3 to
8.3
dB
+3 dBm, VCC = 4.75 to
5.25 V, IF = 200 MHz
Noise Figure variation over temperature
T A = –40 to +85 ° C
± 0.8
dB
Noise Figure with a blocker signal
NF BLK
Blocking signal input
18
dB
power = +8 dBm
Third order input intercept point
IIP3
f RF = 900 MHz and
+24.7
+27.0
dBm
900.8 MHz,
P RF = –10 dBm/tone,
VCC = 4.75 to 5.25 V
Input IP3 variation over temperature
T A = –40 to +85 ° C
± 0.3
dB
Third order output intercept point
OIP3
f RF = 900 MHz and
+36.5
dBm
900.8 MHz,
P RF = –10 dBm/tone,
VCC = 4.75 to 5.25 V
2RF – 2LO
3RF – 3LO
Input 1 dB compression point
2x2
3x3
IP1dB
P RF = –10 dBm
P RF = –10 dBm
+11.0
–68.5
–80
+13.3
–63
–70
dBc
dBc
dBm
Output 1 dB compression point
RF to IF isolation
OP1dB
30
+22.8
48
dBm
dB
LO leakage:
@ RF port
@ IF port
–59
–34
–20
–23
dBm
dBm
RF port input return loss
Z IN _ RF
With external matching
14
dB
components
LO port input return loss
Z IN _ LO
With external matching
14
dB
components
IF port output return loss
Z OUT _ IF
With external matching
14
dB
components
Skyworks Solutions, Inc. ? Phone [781] 376-3000 ? Fax [781] 376-3100 ? sales@skyworksinc.com ? www.skyworksinc.com
4
January 21, 2008 ? Skyworks Proprietary and Confidential information ? Products and Product Information are Subject to Change Without Notice ? 200716F
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