Philips Semiconductors
Product specification
Dual-band, CDMA/AMPS downconverter IC
SA9502
AC ELECTRICAL CHARACTERISTICS
V
CC
= 2.7V; T
amb
= +25°C; P
lo
= –3 dBm, f
IF
= 85.40 MHz and measured on Philips demonstration board; unless specified otherwise.
PARAMETER
Cellular Band Downconverter
RF input frequency range
LO input frequency range
IF output frequency range (CDMA)
IF output frequency range (FM)
IF output load impedance
Conversion gain
Noise figure
CDMA, differential
FM, single-ended, with ext. balun
CDMA
FM
CDMA mode, SSB
FM mode, SSB
CDMA mode, tone spacing = 900 kHz and
1.7 MHz
FM mode, tone spacing = 60 kHz
RF input return loss
LO input return loss
LO output return loss
LO input power range
LO output power range
LO (input and output) to RF leakage
LO (output) to IF leakage (CDMA)
LO (output) to IF leakage (FM)
LO (input) to IF leakage (CDMA)
LO (input) to IF leakage (FM)
RF to LO (input) isolation
RF to IF isolation (CDMA)
RF to IF isolation (FM)
LO output to LO input isolation
Z
L
= 50Ω, single LO out
with LO buffer on (Pin 13 = High)
Single-ended in, single-ended out
Single-ended in, differential out
Single-ended in, differential out
Single-ended in, differential out
Single-ended in, differential out
Single-ended in, single-ended out
Single-ended in, differential out
Single-ended in, differential out
Single-ended in, single-ended out
With Tx band interferer at LO input port or
LO buffer output port of –40 dBm max and
with Pint = –31 dBm in Rx band.
With Tx band interferer at RF input port of
–40 dBm max and with Pint = –31 dBm in
Rx band.
With Tx band interferer at LO input port or
LO buffer output port of –40 dBm max and
with Pint = –31 dBm in Rx band.
With Tx band interferer at RF input port of
–40 dBm max and with Pint = –31 dBm in
Rx band.
30
17
6
26.5
43
Z
S
= 50Ω
Z
S
= 50Ω
Z
S
= 50Ω
–6.0
–7.5
4.8
5.3
10.7
7.0
869
950
50
50
1000
850
11.3
7.5
9.4
10.5
5.7
6.2
11.0
10.0
8.0
–3.0
–5.0
–34.5
–33.6
–20.0
–27.7
–18.5
32.8
17.7
8.2
33
44
–3.0
–31.5
–29.0
–17.5
–26.5
–17.8
0.0
11.9
8.0
10.0
10.7
894
1030
300
300
MHz
MHz
MHz
MHz
Ω
Ω
dB
dB
dB
dB
dBm
dBm
dB
dB
dB
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
dB
dB
dB
dB
TEST CONDITIONS
MIN.
–3σ
TYP.
+3σ
MAX.
UNITS
Input IP3
Spurious response rejection
j
(CDMA mode)
59
61
dB
43
44
dB
Spurious response rejection
j
(FM mode)
55
56
dB
1999 Mar 19
6
PHILIPS [ NXP SEMICONDUCTORS ]
