FM T
RANSMITTER
& R
ECEIVER
M
ODULES
. (2
ND
G
ENERATION
)
Electrical Performance: RX2 Receiver
FM-TX2-XXX
FM-RX2-XXX
Figures apply to 5V versions unless noted otherwise Vcc = 5.0V, temperature 20°C unless noted otherwise
pin
DC LEVELS
supply voltage, Vcc standard
supply voltage, Vcc, 3V version
supply current
supply ripple
data output high, 100µA source
data output low, 100µA sink
load capacitance on AF / Data
RF
RF sensitivity for 10dB (S+N)/N
RF sensitivity for 10dB (S+N)/N
RF sensitivity for 1ppm BER
RF sensitivity for 1ppm BER
CD threshold
CD threshold
IF band width
initial frequency accuracy
E.M.C.
image rejection (2*F
IF
)
spurious responses upto 1GHz
LO leakage, conducted
LO leakage, radiated
AF BASE BAND
baseband bandwidth @ -3dB
baseband bandwidth @ -3dB
AF level
DC offset on AF
distortion on recovered AF
ultimate (S+N)/N
DYNAMIC TIMING
Power up with signal present
power up to valid CD, T
PU-CD
power up to stable data, T
PU-DAT
power up to stable data, T
PU-DAT
Signal applied with supply on
signal to valid CD, T
SIG-CD
signal to stable data, T
SIG-DAT
signal to stable data, T
SIG-DAT
5
5
5
5
7
7
6,7
min.
4.0
3.0
11
-
-
-
-
typ.
5.0
3.5
13
-
Vcc-0.6
0.4
-
Max.
6.0
4.0
17
2
-
-
100
units
V
V
mA
mV
P-P
V
V
pF
notes
1
1,6
1,6
1,6
1,6
1,3
1,3
-
1
-
-
-
-
-
-
-
-30
-113
-107
-107
-100
-107
100
250
0
-107
-100
-100
-93
-97
-90
-
+30
dBm
dBm
dBm
dBm
dBm
dBm
kHz
kHz
-A version
-F version
-A version
-F version
-A version
-F version
1
1
1
-
-
-
-
-
-50
-70
-65
-70
-
-
-
-
dB
dB
dBm
dBm
2
2
6
6
6
6
6
6
0.006
0.060
-
0.8
-
35
-
-
450
1.2
0.5
45
7
20
-
1.6
1
-
kHz
kHz
mV
P-P
V
%
dB
-A version
-F version
-
-
-
-
-
-
1
20
5
-
-
-
ms
ms
ms
-A version
-F version
-
-
-
-
-
-
0.5
15
3
-
-
-
ms
ms
ms
time between data transitions
7
15
-
0.07
ms
4,-A version
time between data transitions
7
1.5
-
0.025
ms
4,-F version
mark:space ratio
-
20
50
80
%
3
notes:
1. For 6dB (S+N)/N degradation on wanted -100dBm signal
2. Receiver spurious responses are at F
RF
±
(n×15.92MHz), n=1,2,3 etc.
3.
Average over 30ms (-A), 3ms (-F) at maximum bit rate.
4.
Values for 50:50 mark to space (i.e. square wave)
DS000022
Rev D
July ‘99
©1999
REG No 277 4001, ENGLAND.
Page 5