RO3103 RFM, RO3103 Datasheet - Page 2

• Manufacturer Part Number: RO3103
• Description: Resonators 418.0 MHz +/-75kHz Single Port
• Manufacturer: RFM

Specifications of RO3103

• Tolerance: 75 KHz
• Termination Style: SMD/SMT
• Operating Temperature Range: - 40 C to + 85 C
• Dimensions: 9.4 mm Dia. x 3.18 mm H
• Frequency Stability: 10 PPM
• Frequency: 418 MHz
• Package / Case: TO-39-3
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Connections
This one-port, two-terminal SAW resonator is bidirectional. The terminals
are interchangeable with the exception of circuit board layout.
Typical Test Circuit
The test circuit inductor, L
capacitance, C
Typical Application Circuits
www.RFM.com E-mail: [e-mail]
©2009 by RF Monolithics, Inc.
Power Test:
Pin
Electrical Test:
1
2
3
Typical Low-Power Transmitter Application:
Typical Local Oscillator Application:
ROXXXX
Bottom View
Terminal 1
Terminal 2
Case Ground
+VDC
Connection
CW RF Power Dissipation =
ROXXXX
Bottom View
Modulation
O
1
Source at
F
50 Ω
C
at F
Network
Analyzer
Input
3
C
2
.
200k Ω
P
1
P
REFLECTED
INCIDENT
TEST
C1
C2
Ω
, is tuned to resonate with the static
MPS-H10
3
2
RF Bypass
L1
1
Low-Loss
Matching
Network
to
P
INCIDENT
470
50
Ω
C1
C2
Output
+VDC
Pin 1
3
2
-
P
(Antenna)
REFLECTED
3
RF Bypass
L1
Bottom View
Network
Analyzer
+9VDC
1
47
2
Pin 2
Pin 3
Ω
Temperature Characteristics
The curve shown on the right
accounts for resonator
contribution only and does not
include oscillator temperature
characteristics.
Equivalent LC Model
The following equivalent LC model is valid near resonance:
Case Design
Dimensions
A
B
C
D
E
G
H
F
J
A
1
0.5 pF*
B
R
M
L
C
M
2.50
1.40
C p
Min
(3 places)
0.46 Nominal
5.08 Nominal
2.54 Nominal
2.54 Nominal
Millimeters
C
D
M
-150
-200
-100
-50
E
3
2
C o =
0.5 pF*
0
-80 -60 -40 -20
F
Max
9.40
3.18
3.50
1.02
C p
(2 places)
+
J
0.25 pF*
∆ T = T
*Case Parasitics
G
0.098
0.055
C
Min
- T
0 +20 +40 +60
0.018 Nominal
0.200 Nominal
0.100 Nominal
0.100 Nominal
RO3103 (R) - 3/2/09
45°
O
Inches
f
( °C )
C
H
= f
O
Page 2 of 2
, T
0.370
0.125
0.138
0.040
Max
C
+80
= T
0
-50
-100
-150
-200
O