QM Radio Transmitter Module
QFMT1-XXX
Absolute Maximum Ratings: Transmitter
Operating temperature:
Storage temperature:
Supply Voltage (pin 3)
Data input (pin 5)
RF Out (pin 2)
-20°C to +55°C
-40°C to +100°C
10V
10V
±50V
@ < 10MHz , +20dBm @ > 10MHz
Electrical Characteristics: Transmitter
pin
DC LEVELS
Supply voltage
Current & RF POWER
433.92
Supply current @ V
CC
= 5V (data low/high)
RF power @ V
CC
= 5V
868
Supply current @ V
CC
= 5V (data low/high)
RF power @ V
CC
= 5V
916.5
Supply current @ V
CC
= 5V (data low/high)
RF power @ V
CC
= 5V
RF & Data
2
nd
harmonic
Harmonics @ > 1GHz
Initial frequency accuracy
Overall frequency accuracy
FM deviation (±)
Modulation bandwidth @ -3dB
Modulation distortion (THD)
Power up time to full RF
Data rate
Data pulse width
Note 1:
measured into a 50Ω impedance
100
100
3
min.
3.0
Typ.
7.0
max.
9.0
units
Volts
notes
3
2
0
3/12
+8
mA
dBm
1
1
3
2
0
5/16
+3
mA
dBm
1
1
3
2
0
5/16
+3
mA
dBm
1
1
-50
-46
±75
±100
10
20
10
20000
dBc
dBc
KHz
KHz
KHz
KHz
%
µs
bits/s
µs
1
1
DS301-2
Oct 02
©2000
REG No 277 4001, England.
Page 2
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