RO2136A Datasheet, PDF (1/2 Pages) RF Monolithics, Inc – 432.920 MHz SAW Resonator

Preliminary
®
• Ideal for 433.92 MHz Superhet Receiver LOs
• Very Low Series Resistance
• Quartz Stability
• Surface-Mount Ceramic Case with 21 mm² Footprint
• Complies with Directive 2002/95/EC (RoHS)
The RO2136A is a true one-port, surface-acoustic-wave (SAW) resonator in a low profile surface-mount
ceramic case. It provides reliable, fundamental-mode, quartz frequency stabilization of local oscillators oper-
ating at approximately 432.920 MHz. This SAW is designed specifically for remote-control and wireless
security receivers operating in Europe under ETSI I-ETS 300 220 and in Germany under FTZ 17 TR 2100.
Absolute Maximum Ratings
CW RF Power Dissipation
Rating
DC Voltage Between Terminals
Case Temperature
Soldering Temperature (10 seconds / 5 cycles max.)
Value
+10
±30
-40 to +85
260
Units
dBm
VDC
°C
°C
RO2136A
432.920 MHz
SAW
Resonator
SM-2 Case
Electrical Characteristics
Characteristic
Center Frequency at +25 °C Absolute Frequency
Tolerance from 432.920 MHz
Insertion Loss
Quality Factor
Unloaded Q
50 Ω Loaded Q
Temperature Stability
Turnover Temperature
Turnover Frequency
Frequency Temperature Coefficient
Frequency Aging
Absolute Value during the First Year
DC Insulation Resistance between Any Two Terminals
RF Equivalent RLC Model Motional Resistance
Motional Inductance
Motional Capacitance
Transducer Static Capacitance
Test Fixture Inductance
Lid Symbolization
Sym
f_C
∆f_C
IL
Q_U
Q_L
T_O
f_O
FTC
|fA|
R_M
L_M
C_M
C_O
L_TEST
Notes
2, 3, 4, 5
2, 5, 6
5, 6, 7
6, 7, 8
1
5
5, 7, 9
5, 6, 9
2,7
Minimum
432.845
Typical
1.3
15.650
10
25
f_c
0.032
≤10
1.0
16
92.0548
1.46818
1.4
1.7
79
143
CAUTION: Electrostatic Sensitive Device. Observe precautions for handling.
Notes:
Maximum
432.995
±75
1.5
40
19
2.0
Units
MHz
kHz
dB
°C
ppm/°C²
ppm/yr
MΩ
Ω
µH
fF
pF
nH
1. Lifetime (10 year) frequency aging.
2.
The center frequency, f_C, is measured at the minimum insertion loss point,
culated from: f = f_O [1 - FTC (T_O -T_C)²].
9. This equivalent RLC model approximates resonator performance near the
IL_MIN, with the resonator in the 50 Ω test system (VSWR ≤ 1.2:1). The shunt
resonant frequency and is provided for reference only. The capacitance C_O is
inductance, L_TEST, is tuned for parallel resonance with C_O at f_C.
the static (nonmotional) capacitance between the two terminals measured at
3. One or more of the following United States patents apply: 4,454,488 and
low frequency (10 MHz) with a capacitance meter. The measurement
4,616,197.
includes parasitic capacitance with “NC” pads unconnected. Case parasitic
4. Typically, equipment utilizing this device requires emissions testing and gov-
capacitance is approximately 0.05pF. Transducer parallel capacitance can be
ernment approval, which is the responsibility of the equipment manufacturer.
5.
Unless noted otherwise, case temperature T_C = +25°C±2°C for all specifica-
calculated as: C_P ≈ C_Ο − 0.05 pF.
tions.
6. The design, manufacturing process, and specifications of this device are sub-
ject to change without notice.
7. Derived mathematically from one or more of the following directly measured
parameters: f_C, IL, 3 dB bandwidth, f_C versus T_C, and C_O.
8.
Turnover temperature, T_O, is the temperature of maximum (or turnover) fre-
quency, f_O. The nominal frequency at any case temperature, T_C, may be cal-
RF Monolithics, Inc. Phone: [phone]
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RO2136A-062001
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