Philips Semiconductors
IS-54 IF receiver
Preliminary specification
SA638
DC ELECTRICAL CHARACTERISTICS
VCC = +3V, TA = 25°C; unless otherwise stated.
SYMBOL
PARAMETER
TEST CONDITIONS
VCC
ICC
Mixer
Power supply voltage range
DC current drain
Conversion power gain
Input matched externally to tbdΩ,
Output is doubly terminated filter,
1.5kΩ impedance
Noise figure
Single side band
IIP3 Input IP3
Input P-1, input compression
point
Input impedance
1kΩ series with 2.5pF
IF output impedance
Input frequency range
LO and 2xLO suppression at IF
output
IF frequency
IF Amp, FM Demodulator, RSSI in FM Mode
IF amp gain
Input impedance
Output impedance
RSSI dynamic range
RSSI linearity
Audio output impedance
Audio output level
Audio SINAD for RF signal
-50dBm
Noise figure
Output IP3
IF Amp, AGC, RSSI and IQ Demodulator, QPSK Mode
Input impedance
Gain
Input IP3
RSSI dynamic range
RSSI linearity
LPF frequency control
Channel matching: gain
phase
I/Q output level
for a given tbd linearity; about IQ
output reference level
I/Q output reference level
NOTE:
1.
LIMITS
SA639
UNITS
MIN
TYP
MAX
2.7
5.5
V
10
mA
15
dB
8.5
dB
-10
dBm
-20
dBm
1.5
kΩ
150
MHz
-30
dBc
2
MHz
90
dB
1.5
kΩ
150
Ω
90
dB
-1.5
+1.5
dB
300
Ω
110
mVRMS
35
11
dB
tbd
1.5
kΩ
10
95
dB
tbd
90
dB
-2.5
+2.5
dB
40
80
kHz
1
dB
5
deg.
250
mVPEAK
tbd
1995 Feb 16
3