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Philips Semiconductors
Product specification
SA3600
Low voltage dual-band RF front-end
1999 Nov 02
6
AC ELECTRICAL CHARACTERISTICS
VCC = +3.0 V, fRF = 881 MHz, fLO = 963 MHz, Tamb = +25°C, unless otherwise specified
SYMBOL
PARAMETER
TEST CONDITIONS
LIMITS
UNIT
SYMBOL
PARAMETER
TEST CONDITIONS
MIN.
–3
σ
TYP
+3
σ
MAX.
UNIT
Cascaded Gain Section
GSYS
LB LNA + Mixer, High Gain
Filter loss = 3 dB
20.5
23.5
26.5
dB
GBYP
LB LNA + Mixer, Low Gain
Filter loss = 3 dB
–11.5
–8.5
–5.5
dB
Low-band LNA Section
fRF
RF input frequency range
869
894
MHz
GENA
Small signal gain ENABLED
16.1
17
17.9
dB
NFENA
Noise figure ENABLED
1.5
1.7
1.9
dB
IIP3ENA
Input 3rd order Intercept Point
–8.1
–7
–5.9
dBm
P1dBENA
Input 1 dB Compression Point
–20
dBm
GBYP
Small signal gain BYPASSED
–15
dB
NFBYP
Noise figure BYPASSED
15
dB
IIP3BYP
Input 3rd order Intercept Point
15
dBm
ZIN
Input return loss2
50
system
10
dB
ZOUT
Output return loss2
50
system
10
dB
TSW
ENABLE/DISABLE speed1
20
s
Low-band Mixer Section
fRF
RF input frequency range
869
894
MHz
fIF
IF output frequency range
70
200
MHz
fLO
LO input range
939
1100
MHz
GMXR
Small signal gain
PLO = –5 dBm
9
9.5
10
dB
NFMXR
SSB Noise figure
PLO = –5 dBm
8.6
9.5
10.4
dB
IIP3MXR
Input 3rd order Intercept Point
PLO = –5 dBm
5.1
6
6.9
dBm
P1dBMXR
Input 1 dB Compression Point
PLO = –5 dBm
–14
dBm
PLO
LO input power range
–7
–5
–3
dBm
ZIN
Input return loss2
50
system
10
dB
ZOUT
Output return loss2
50
system
10
dB
Two-tone spurious rejection:
PLO = –5 dBm
2-Tone
2(fRF–fTx), fRF–fTx=fIF/2
fRF=890.0 MHz @–36 dBm
fTx=848.9 MHz @–20 dBm
–110
dBm
3(fRF–fTx), fRF–fTx=fIF/3
fRF=876.3 MHz @–36 dBm
fTx=848.9 MHz @–20 dBm
–110
RF–LO
RF to LO isolation
25
dB
LO–RF
LO to RF isolation
40
dB
TSW
ENABLE/DISABLE speed1
20
s
Low-band LO Buffer Section
PLO
LO Input frequency range
939
1100
MHz
PIN
LO Input power
50
matched LB_VCO_IN
–7
–5
–3
dBm
POUT
LO Output power
50
matched LB_VCO_OUT
–8
–7.5
–7
dBm
ZIN
Input return loss2
50
system
10
dB
ZOUT
Output return loss2
50
system
10
dB
Harmonic content
PLO = –5 dBm
–20
dBc
TSW
ENABLE/DISABLE speed1
20
s