The RX Series SMT Hybrid ASH Receivers
Demonstration Circuit
1
Top View
1 Vcc
+
16
15
RF In 10
Note 12
+3V
Lithium
CR2032
2
10 uF
2 BB Out
+
Gnd 9
.1 to 1uF
3 Comp In
Gnd 8
4
5
+
MC145028 Decoder
3
14
13
12
11
10
0.1 uF
1 mA @ 3VDC
RS 273-065A or equiv
4 Gnd
Data Out 7
5 Thres
Override
Vref 6
1 uF
33 K
6
7
0.1 uF
+
Piezo
Alarm
+
OPEN: Default 25mV
CLOSED: Override OV
+
620 K
8
9
Typical Modulated Interference Rejection (433.92 MHz RX1000 Shown)
This plot is for an interfacing signal modulated with the receiver鈥檚 modulation and code. Continuous wave (CW) or signals with other
modulation or codes typically result in significantly better rejection performance.
0
0
10
20
30
40
50
60
70
80
90
100
110
Spurious Rejection Relative to Passband Sensitivity (dB)
10
20
30
40
50
60
70
80
90
100
110
120 140 160 180 200 220 240 260 280 300 320 340 360 380 400 420 440 460 480 500 520 540 560 580 600 620 640
216.96
Half Freq. Spurious
Response
433.92
Operating Freq.
Frequency (MHz)
RF Monolithics, Inc.
Phone: (972) 233-2903
Fax: (972) 387-8148
漏1998 by RF Monolithics, Inc. The stylized RFM logo and RFM are registered trademarks of RF Monolithics, Inc.
E-mail: info@rfm.com
http://www.rfm.com
RX1010-121198
Page 3 of 4