Philips Semiconductors
Product specification
Dual-band, CDMA/AMPS downconverter IC
SA9502
AC ELECTRICAL CHARACTERISTICS
(continued)
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
PCS Downconverter
RF input frequency range
LO input frequency range
IF output frequency range
IF output load impedance
Conversion gain
Noise figure
Input IP3
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 (input and output) to IF leakage
RF to LO (input) isolation
RF to IF isolation
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,
with and without doubler
Single-ended in, differential out,
with and without doubler
Single-ended in, single-ended out,
with and without doubler
Single-ended in, differential out
Single-ended in, single-ended out,
with doubler
1/2 IF spur, f
IF
= 85.4 MHz/111.38 MHz,
with doubler, P
int
= –30 dBm at RF input.
1/2 IF spur, f
IF
= 85.4 MHz/111.38 MHz,
without doubler, P
int
= –30 dBm at RF input.
With Tx band interferer at LO input port or LO
buffer output port of –40 dBm max and with
P
int
= –21 dBm in Rx band.
With Tx band interferer at RF
in ut ort
input port of –40 dBm max and
with P
int
= –21 dBm in Rx band.
direct LO
doubled LO
44
32
30
42
68
43
59
53
Differential
@ f
IF
, over RF/LO frequency ranges
@ f
IF
, over RF/LO frequency ranges, SSB
@ f
IF
, over RF/LO frequency
q
y
ranges at 25°C @ V
CC
= 3.6V
Z
S
= 50Ω, with external balun
Z
S
= 50Ω
Z
S
= 50Ω, single LO out
–6
–10.0
direct LO
doubled LO
0.5
0.1
10.5
With doubler
Direct PCS LO
1810
860
1720
50
1000
11.1
8.4
1.8
1.2
7.5
10
8
–3
–8.5
–56
–43
46
40
31
46
76
44
64
61
–7
–47
–39
0
11.7
9.3
1990
1050
2200
300
MHz
MHz
MHz
MHz
Ω
dB
dB
dBm
dBm
dB
dB
dB
dBm
dBm
dBm
dBm
dB
dB
dB
dB
dB
dB
dB
dB
TEST CONDITIONS
MIN
–3σ
TYP.
+3σ
MAX.
UNITS
1/2 IF supurious rejection
Spurious response rejection
1999 Mar 19
7
PHILIPS [ NXP SEMICONDUCTORS ]
