파트넘버.co.kr RF1355 데이터시트 PDF


RF1355 반도체 회로 부품 판매점

SAW Filter



RMF 로고
RMF
RF1355 데이터시트, 핀배열, 회로
• Ideal for 390.0 MHz Transmitters
• Very Low Series Resistance
• Quartz Stability
• Rugged, Hermetic, Low-Profile TO39 Case
• Complies with Directive 2002/95/EC (RoHS)
Pb
The RF1355 is a true one-port. surface-acoustic-wave (SAW) filter in a low-profile TO39 case. It
provides reliable, fundamental-mode, quartz frequency stabilization of fixed-frequency
transmiters operating at 390.0 MHz.
Absolute Maximum Ratings
Rating
CW RF Power Dissipation (See: Typical Test Circuit)
DC Voltage Between Any Two Pins (Observe ESD Precautions)
Case Temperature
Value
+5
±30
-40 to +85
Units
dBm
VDC
°C
RF1355
390.0 MHz
SAW Filter
TO39-3 Case
Electrical Characteristics
Characteristic
Nominal Frequency
Tolerance from 390.0 MHz
Insertion Loss
3 dB Bandwidth
Rejection
at fc -21.4 MHz (Image)
at fc -10.7 MHz (LO)
Temperature
Operating Case Temperature
Turnover Temperature
Turnover Frequency
Freq. Temp. Coefficient
Frequency Aging
Absolute Value during the First Year
Lid Symbolization (in addition to Lot and / or Date Codes)
Sym
fC
fC
IL
BW3
TC
TO
fO
FTC
[fA]
Notes
1, 2
1
1, 2
1
3,4
5
Minimum
389.900
Typical
330
40
15
-35
25
fC
0.032
10
RFM RF1355
Maximum
390.100
±100
5.0
550
+85
Units
MHz
kHz
dB
kHz
dB
°C
°C
MHz
ppm/°C2
ppm/yr
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
1. 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.
2. The center frequency, fC, is measured at the minimum insertion loss point, ILMIN, with the resonator in the 50 test system (VSWR 1.2:1). The
shunt inductance, LTEST, is tuned for parallel resonance with CO at fC. Typically, fOSCILLATOR or fTRANSMITTER is less than the resonator fC.
3. One or more of the following United States patents apply: 4,454,488 and 4,616,197 and others pending.
4. Typically, equipment designs utilizing this device require emissions testing and government approval, which is the responsibility of the equipment
manufacturer.
5. Unless noted otherwise, case temperature TC = +25°C±2°C.
6. The design, manufacturing process, and specifications of this device are subject to change without notice.
7. Derived mathematically from one or more of the following directly measured parameters: fC, IL, 3 dB bandwidth, fC versus TC, and CO.
8. 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]. Typically, oscillator TO is 20°C less than the specified resonator TO.
9. This equivalent RLC model approximates resonator performance near the resonant frequency and is provided for reference only. The capacitance
CO is the static (nonmotional) capacitance between pin1 and pin 2 measured at low frequency (10 MHz) with a capacitance meter. The measurement
includes case parasitic capacitance with a floating case. For usual grounded case applications (with ground connected to either pin 1 or pin 2 and to
the case), add approximately 0.25 pF to CO.
www.RFM.com E-mail: [email protected]
©2008 by RF Monolithics, Inc.
Page 1 of 2
RF1355 - 3/21/08
Free Datasheet http://www.datasheetlist.com/


RF1355 데이터시트, 핀배열, 회로
Electrical Connections
This one-port, two-terminal SAW resonator is bidirectional. The terminals
are interchangeable with the exception of circuit board layout.
Pin Connection
1 Terminal 1
2 Terminal 2
3 Case Ground
Bottom View
Pin 1
Pin 2
Pin 3
Typical Test Circuit
The test circuit inductor, LTEST, is tuned to resonate with the static
capacitance, CO at FC.
Electrical Test:
Network
Analyzer
1
2 Network
Analyzer
3
Power Test:
50
Source at
FC
PINCIDENT
PREFLECTED
Low-Loss
Matching
Network
to 50
3
1
2
CW RF Power Dissipation = P
-P
INCIDENT REFLECTED
Typical Application Circuits
Typical Low-Power Transmitter Application:
200k
Modulation
MPS-H10
Input
C1
1
2
ROXXXX
Bottom View
C2
3
470
+9VDC
47
L1
(Antenna)
RF Bypass
Typical Local Oscillator Application:
+VDC
1
ROXXXX
Bottom View
C1
2
C2
3
Output
L1
+VDC
RF Bypass
Temperature Characteristics
The curve shown on the right
accounts for resonator
contribution only and does not
include oscillator temperature
characteristics.
fC = fO , TC = T O
00
-50 -50
-100
-100
-150
-150
-200
-200
-80 -60 -40 -20 0 +20 +40 +60 +80
T = TC - TO ( °C )
Equivalent LC Model
The following equivalent LC model is valid near resonance:
12
Cp
RM LM CM
0.5 pF*
Co= Cp +0.25 pF*
*Case Parasitics
0.5 pF*
3
Case Design
B
C
G
F
AE
D
(3 places)
J
(2 places)
H
45°
Dimensions
A
B
C
D
E
F
G
H
J
Millimeters
Min Max
9.30
3.18
2.50 3.50
0.46 Nominal
5.08 Nominal
2.54 Nominal
2.54 Nominal
1.02
1.40
Inches
Min Max
0.366
0.125
0.098
0.138
0.018 Nominal
0.200 Nominal
0.100 Nominal
0.100 Nominal
0.040
0.055
www.RFM.com E-mail: [email protected]
©2008 by RF Monolithics, Inc.
Page 2 of 2
RF1355 - 3/21/08
Free Datasheet http://www.datasheetlist.com/




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