RF1404D
•
•
•
•
Ideal Front-End Filter for European Wireless Receivers
Low-Loss, Coupled-Resonator Quartz Design
Simple External Impedance Matching
Complies with Directive 2002/95/EC (RoHS)10
433.92 MHz
SAW Filter
Pb
The RF1404D is a low-loss, compact, and economical surface-acoustic-wave (SAW) filter
designed to provide front-end selectivity in 433.92 MHz receivers. Receiver designs using this
filter include superhet with 10.7 MHz or 500 kHz IF, direct conversion and superregen. Typical
applications of these receivers are wireless remote-control and security devices operating in
Europe under ETSI I-ETS 300 220.
This coupled-resonator filter (CRF) uses selective null placement to provide suppression, typically
greater than 40 dB, of the LO and image spurious responses of superhet receivers with 10.7 MHz
IF. RFM’s advanced SAW design and fabrication technology is utilized to achieve high
performance and very low loss with simple external impedance matching.
SM3838-8 Case
3.8 x 3.8
Electrical Characteristics
Characteristic
Center Frequency at 25°C
Absolute Frequency
Sym
Notes
fc
1, 2, 3
ILMIN
Insertion Loss
Passband Ripple (Relative to ILMIN) Fc ±200kHz
BW3
3 dB Bandwidth
Rejection Attenuation: (relative to ILmin)
Minimum
1.6
2.5
dB
1.2
1.8
dB
600
800
kHz
1, 3
500
50
55
50
424 - 431 MHz
30
34
431 - 432 MHz
18
22
12
17
1, 3
434.92 - 442 MHz
11
14
442 - 550 MHz
35
38
550 - 1000 MHz
50
Frequency Aging
Absolute Value during the First Year
|fA|
Impedance @ fc
Input ZIN = RINllCIN
ZIN
Output ZOUT = ROUTllCOUT
ZOUT
5
1
Lid Symbolization (Y=year WW=week S=shift)
Standard Reel Quantity
Reel Size 7 Inch
Reel Size 13 Inch
MHz
1, 3
45
FTC
Units
1, 3
10 - 414 MHz
Freq. Temp. Coefficient
Maximum
433.92
414 - 424 MHz
432 - 433 MHz
Temperature
Typical
dB
55
0.032
ppm/°C2
≤10
ppm/yr
2853Ω // 1.66pf
2411Ω // 1.73pf
539 // YWWS
9
500 Pieces/Reel
3000 Pieces/Reel
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 Ω test system with
VSWR ≤ 1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, fc. Note that insertion loss and bandwidth and passband shape are dependent on the impedance matching component values and quality.
The frequency fc is defined as the midpoint between the 3dB frequencies.
Where noted specifications apply over the entire specified operating temperature range of -40°C to +90°C.
The turnover temperature, TO, is the temperature of maximum (or turnover) frequency, fo. The nominal frequency at any case temperature, Tc, may
be calculated from: f = fo [1 - FTC (To - Tc)2].
5. Frequency aging is the change in fc with time and is specified at +65°C or less. Aging may exceed the specification for prolonged temperatures
above +65°C. Typically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years.
6. The design, manufacturing process, and specifications of this device are subject to change.
7. One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.
8. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.
9. Tape and Reel Standard Per ANSI / EIA 481.
10. This product complies with Directive 2002/95/EC of the European Parlament and of the Council of 27 January 2003 on the restriction of the use of
certain hazadous substances in electrical and electronic equipment.
www.RFM.com
E-mail: info@rfm.com
©2008 by RF Monolithics, Inc.
Page 1 of 5
RF1404D - 3/21/08
Absolute Maximum Ratings
Characteristic
Value
Input Power Level
10
Units
dBm
DC Voltage
12
VDC
Storage Temperature
-40 to +125
°C
Operable Temperature Range
-40 to +125
°C
260
°C
Soldering Temperature (10 seconds / 5 cycles max.)
Electrical Characteristics
Characteristic
Center Frequency at 25°C
Absolute Frequency
Insertion Loss
Sym
Notes
fc
1, 2, 3
433.92
ILMIN
1, 3
2.3
3.0
dB
1, 3
1.2
2.0
dB
800
kHz
Passband Ripple (Relative to ILMIN) Fc ±200kHz
BW3
Minimum
1, 3
500
600
10 - 414 MHz
50
53
414 - 424 MHz
45
50
424 - 431 MHz
30
34
431 - 432 MHz
18
22
12
14
3 dB Bandwidth
Rejection Attenuation: (relative to ILmin)
1, 3
432 - 433 MHz
434.92 - 442 MHz
11
14
442 - 550 MHz
35
37
550 - 1000 MHz
50
Freq. Temp. Coefficient
FTC
Frequency Aging
Absolute Value during the First Year
|fA|
Impedance @ fc
Input ZIN = RINllCIN
ZIN
Temperature
Output ZOUT = ROUTllCOUT
ZOUT
5
1
Lid Symbolization (Y=year WW=week S=shift)
Standard Reel Quantity
Typical
Reel Size 7 Inch
Reel Size 13 Inch
Maximum
Units
MHz
dB
55
0.032
ppm/°C2
≤10
ppm/yr
2853Ω // 1.66pf
2411Ω // 1.73pf
539 // YWWS
9
500 Pieces/Reel
3000 Pieces/Reel
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1.
2.
3.
4.
Unless noted otherwise, all measurements are made with the filter installed in the specified test fixture which is connected to a 50 Ω test system with
VSWR ≤ 1.2:1. The test fixture L and C are adjusted for minimum insertion loss at the filter center frequency, fc. Note that insertion loss and bandwidth and passband shape are dependent on the impedance matching component values and quality.
The frequency fc is defined as the midpoint between the 3dB frequencies.
Where noted specifications apply over the entire specified operating temperature range of -40°C to +125°C.
The turnover temperature, TO, is the temperature of maximum (or turnover) frequency, fo. The nominal frequency at any case temperature, Tc, may
be calculated from: f = fo [1 - FTC (To - Tc)2].
5. Frequency aging is the change in fc with time and is specified at +65°C or less. Aging may exceed the specification for prolonged temperatures
above +65°C. Typically, aging is greatest the first year after manufacture, decreasing significantly in subsequent years.
6. The design, manufacturing process, and specifications of this device are subject to change.
7. One or more of the following U.S. Patents apply: 4,54,488, 4,616,197, and others pending.
8. All equipment designs utilizing this product must be approved by the appropriate government agency prior to manufacture or sale.
9. Tape and Reel Standard Per ANSI / EIA 481.
10. This product complies with Directive 2002/95/EC of the European Parlament and of the Council of 27 January 2003 on the restriction of the use of
certain hazadous substances in electrical and electronic equipment.
www.RFM.com
E-mail: info@rfm.com
©2008 by RF Monolithics, Inc.
Page 2 of 5
RF1404D - 3/21/08
PRIMARY
Electrical Connections
Pin
Connection
1
Input
2
Input Ground
3
Ground
4
Case Ground
5
Output
6
Output Ground
7
Ground
8
Case Ground
A
E
C
B
8
8
1
7
H 7
1
2
6
6
2
3
5
5
3
G
4
4
F
D
Matching Circuit to 50Ω
Case Dimensions
56 nH
7
1
Input
Dimension
6
51 nH
5
Output
8
4
Min
3.6
3.6
1.00
0.95
0.90
0.50
2.39
1.40
2
A
B
C
D
E
F
G
H
3
mm
Nom
3.8
3.8
1.20
1.10
1.0
0.6
2.54
1.75
Max
4.0
4.0
1.40
1.25
1.10
0.70
2.69
2.05
Min
0.14
0.14
0.04
0.033
0.035
0.020
0.090
0.055
Inches
Nom
0.15
0.15
0.05
0.043
0.04
0.024
0.100
0.069
Max
0.16
0.16
0.055
0.05
0.043
0.028
0.110
0.080
OPTIONAL
Electrical Connections
Pin
Matching Circuit to 50Ω
Connection
1
Input Ground
2
Input
3
Ground
4
Case Ground
5
Output Ground
6
Output
7
Ground
8
Case Ground
www.RFM.com
E-mail: info@rfm.com
©2008 by RF Monolithics, Inc.
7
1
56nH
Output
56nH
6
1.0pf
5
8
4
Input
2
3
1.5pf
Page 3 of 5
RF1404D - 3/21/08
RF1404D (PRIMARY)
Inductor only match
13 Sep 2004 16:34:53
CH1
S11
1 : 54 . 117
433 . 920
000
1 U FS
-1 . 7891
MHz
205 . 01
CH3
S22
1 : 52 . 682
433 . 920
000
pF
1 U FS
-10 . 119
MHz
36 . 247
pF
1
1
PRm
Cor
Cor
CENTR
CH2
433 . 920
S21
MHz
SPAN
LOG
2 . 000
1 dB/
CENTR
MHz
433 . 920
1 : 0 . 0000
REF 0 dB
MHz
dB
SPAN
2 . 000
0 . 000
000
MHz
MHz
1
CH2
Max
Cor
BW :
2
cent
:
Markers
REF=1
. 612041
MHz
433 . 852345
MHz
Q: 708 . 86
PRm
3
CENTER
433 . 920
www.RFM.com
E-mail: info@rfm.com
©2008 by RF Monolithics, Inc.
000
MHz
1_ loss
4
SPAN
2 . 000
000
: -1 . 6656
dB
MHz
Page 4 of 5
RF1404D - 3/21/08
RF1404D (PRIMARY)
Inductor only match
13 Sep 2004 16:41:28
CH2
S21
LOG
10 dB/
1 : -1 . 7186
REF 0 dB
dB
433 . 920
000
MHz
1
PRm
Cor
CENTER
433 . 920
www.RFM.com
E-mail: info@rfm.com
©2008 by RF Monolithics, Inc.
000
MHz
SPAN
100 . 000
000
MHz
Page 5 of 5
RF1404D - 3/21/08
