HX1005
•
•
Ideal for 315.0 MHz Automotive Keyless-Entry Transmitters
Quartz SAW Frequency Stabilization and Harmonic Filtering
315.0 MHz
Hybrid
•
Compact, Surface-Mount Case with <90 mm2 Footprint
The HX1005 is a miniature transmitter module that generates on-off keyed (OOK) modulation from an exter-
nal digital encoder (not included). The carrier frequency is quartz, surface-acoustic-wave (SAW) stabilized,
and output harmonics are suppressed by a SAW filter. The result is excellent performance in a simple-to-
use, surface-mount device with a low external component count. The HX1005 is designed specifically for
unlicensed remote-control and wireless security transmitters operating at 315.0 MHz in the USA under FCC
Part 15 regulations, in Canada under DOC RSS-210, and in Italy.
Transmitter
Absolute Maximum Ratings
Rating
Power Supply and/or Modulation Input Voltage
Nonoperating Case Temperature
Value
10
Units
V
-40 to +85
230
°C
SM-4 Case
Ten-Second Soldering Temperature
°C
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximum
315.100
±100
Units
MHz
kHz
f
Operating Frequency
Absolute Frequency
314.900
O
1, 2, 3, 4,
10
Df
Tolerance from 315.0 MHz
O
P
RF Output Power into 50 W at 25°C
Within Specified Temperature Range
Harmonic Spurious Emissions
2, 4, 5, 10
2, 3, 4, 5
2, 3, 4, 5
-3
-5
0
0
O
dBm
dBc
V
-45
-35
V
V
Modulation Input
Input HIGH Voltage
2.5
0.0
IH
CC
V
Input LOW Voltage
Input HIGH Current
Input LOW Current
Modulation Rise Time
Modulation Fall Time
Voltage
0.3
IL
3, 4, 5
I
100
IH
µA
µs
I
0.0
IL
t
Data Timing Parameters
Power Supply
100
100
3.3
10
R
3, 4, 5, 6
t
F
V
5, 7
3, 4, 5, 8
5, 9
2.7
-40
3
7
VDC
mA
µA
CC
I
Peak Current
CC
Standby Current
1.0
+85
T
Operating Case Temperature Range
5
°C
C
Lid Symbolization (in addition to Lot and/or Date Codes)
RFM HX1005
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
NOTES:
1. One or more of the following United States patents apply: 4,454,488; 4,616,197; 4,670,681; and 4,760,352.
2. Typically, equipment utilizing this device requires emissions testing and government approval, which is the responsibility of the equipment manufac-
turer.
3. Applies over the specified range of operating temperature.
4. Applies over the specified range of operating power supply voltage.
5. The design, manufacturing process, and specifications of this device are subject to change without notice.
6. The maximum modulation bandwidth (and data rate) is dependent on the characteristics of the external encoding circuitry (not included).
7. Unless noted otherwise, case temperature T = +25°C ± 2°C, test load impedance = 50 W, and modulation input is at logic HIGH.
C
8. The maximum operating current occurs at the maximum specified power supply voltage and maximum specified operating temperature.
9. Standby current is defined as the supply current consumed with the modulation input at logic LOW.
10. Improper antenna loading affects performance of HX device.
RF Monolithics, Inc.
RFM Europe
Phone: (972) 233-2903
Phone: 44 1963 251383
Fax: (972) 387-9148
Fax: 44 1963 251510
E-mail: info@rfm.com
http://www.rfm.com
HX1005-101999
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©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.