Transmitter ASK Configuration
Transmitter OOK Configuration
+3
VDC
+3
VDC
CRFB2
CDCB
+
CRFB2
CDCB
+
T/S
18
T/S
19
GND
3
17
16
VCC
2
15
14
13
12
19
GND
3
18
CNT
RL0
17
CNT
RL1
16
VCC
2
15
14
13
12
CNT
RL0
CNT
RL1
P
P
THLD
1
THLD
2
LAT
P
P
THLD
1
THLD
2
LAT
WIDTH RATE
WIDTH RATE
RFIO
RREF
11
10
20
1
RFIO
RREF
11
10
20
1
TOP VIEW
TOP VIEW
LESD
GND1
GND2
LESD
GND1
GND2
VCC
1
AGC
CAP
PK
DET
BB
OUT
CMP
IN
RX
DATA
TX
MOD
LPF
ADJ
VCC
1
AGC
CAP
PK
DET
BB
OUT
CMP
IN
RX
DATA
TX
MOD
LPF
ADJ
2
3
4
5
6
7
8
9
2
3
4
5
6
7
8
9
LRFB
LRFB
RTXM
CRFB1
RTXM
+3
VDC
ModulationInput
CRFB1
+3
ModulationInput
VDC
Transmitter Set-Up, 3.0 Vdc, -40 to +85 °C
Item
Symbol
DR
OOK
ASK
ASK
Units
Notes
Nominal NRZ Data Rate
2.4
19.2
115.2
kbps
see page 1
single bit
NOM
Minimum Signal Pulse
Maximum Signal Pulse
TXMOD Resistor
SP
416.67
52.08
208.32
4.7
8.68
34.72
4.7
µs
µs
K
MIN
MAX
TXM
DCB
SP
1666.68
4.7
4 bits of same value
±5%, for 0 dBm output
tantalum
R
C
DC Bypass Capacitor
RF Bypass Capacitor 1
RF Bypass Capacitor 2
RF Bypass Bead
4.7
4.7
4.7
µF
pF
pF
C
C
27
27
27
±5% NPO
RFB1
RFB2
100
100
100
±5% NPO
L
Fair-Rite
10
Fair-Rite
10
Fair-Rite
10
vendor
nH
2506033017YO or equivalent
50 ohm antenna
RFB
Series Tuning Inductor
Shunt Tuning/ESD Inductor
L
AT
L
100
100
100
nH
50 ohm antenna
ESD
CAUTION: Electrostatic Device. Observe precautions when handling.
Notes:
1. Do not allow the voltage applied to a control input pin to exceed Vcc + 200 mV.
2. The companion receiver to the TX6004 is the RX6004. Please see RFM’s web site at www.rfm.com for details.
RF Monolithics, Inc.
RFM Europe
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-8148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
TX6004-070805
Page 2 of 6
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
RFM [ RF MONOLITHICS, INC ]
