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| 型號(hào)： | RX2256 |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁(yè)數(shù)： | 2/4頁(yè) |
| 文件大?。?/td> | 352K |
| 代理商： | RX2256 |
The RX Series SMT Hybrid ASH Receivers
RF Monolithics, Inc.
Phone: (972) 233-2903
Fax: (972) 387-9148
E-mail: info@rfm.com
http://www.rfm.com
RX2256-121198
Page 2 of 4
1998 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1. Unless noted otherwise, specifications apply over the entire specified operating temperature and voltage ranges.
2. One or more of the following United States patents apply: 4,454,488; 4,616,197; 4,749,964; 4,902,925. Other patents are pending.
3. Typically, equipment utilizing this device requires emissions testing and government approval, which is the responsibility of the
equipment manufacturer.
4. The design, manufacturing process, and specifications of this device are subject to change without notice.
5. A variety of on-off-keyed (OOK) pulse modulation schemes are possible since digital decoding is an external function (not included
in the ASH receiver).
6. These parameters apply over the absolute minimum operating passband which is referenced to f
C
.
7. With interfering signal matched to the receiver modulation and code. See “Typical Modulated Interference Rejection” for a more
detailed view.
8. Sample repetition rates greater than 1 MHz are available in custom versions. Contact RFM for details.
9. Baseband data rates are available to 20 kbps, respectively, in custom versions. Contact RFM for details. See HX/RX Designer’s
Guide for details on data rate limits.
10. The default comparator threshold (with terminal 5 not connected) is optimized for low duty-cycle, or “bursty” data and eliminates
noise output when there is no RF signal. The override threshold (with terminal 5 connected to ground) is optimized for continuous
data.
11. The ASH receiver is designed to drive a single CMOS load.
12. For ESD protection
Block Diagram and Electrical Connections
Absolute Maximum Ratings
Rating
Value
Units
Incident RF Power
Power Supply Voltage (V
CC
to Ground)(Observe ESD Precautions)
ESD (100 pF, 1.5 k
)
+10
dBm
VDC
-0.3 to +4.0
Terminals 2, 3, or 7 to Ground
All Other Terminals to Ground
±2000
±300
-40 to +85
V
Case Temperature
°C
T
50 ohm Antenna
+3V
10 uF
0.1 to 10 uF
1 uF
Gen-
erator
SAW
Delay
Line
LPF
RF
RF
SAW BPF
Comparator
DAM
10
9
8
7
6
5
4
3
2
1
RF Input
Gnd
Gnd
Data Output
Voltage
Vcc
Baseband
Output
Comparator
Input
Gnd
Threshold
Override
Note 12
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