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HO1045
* * * SAW Frequency Stabilization Fundamental-Mode Oscillation at 915.0 MHz 0.8" x 0.5" x 0.25" Metal Dip Case
This 915.0 MHz surface-acoustic-wave (SAW) oscillator is designed for Industrial, Scientific, and Medical (ISM) applications and as the local oscillator in FCC Part 15.247 radios. Fundamental oscillation at 915.0 MHz eliminates all internally generated spurious outputs except integral harmonics of 915.0 MHz. The compact size of the rugged, metal, hermetically-sealed case makes this oscillator suitable for a variety of applications.
915.0 MHz SAW Oscillator
Absolute Maximum Ratings
Rating DC Supply Voltage Ambient Temperature Powered Storage Value 0 to +13 -40 to +70 -40 to +85 Units VDC C
Dip 14-8 Case
Electrical Characteristics
Characteristic Operating Frequency Frequency at +25C and 12.0 VDC Tolerance from 915.0 MHz at 25C Overall Frequency RF Output Power Spurious Outputs Second Harmonics Third and Higher Harmonics RF Impedance DC Power Supply Nonharmonic Nominal Impedance Operating Load VSWR Operating Voltage Operating Current Operating Ambient Temperature Lid Symbolization (YY=Year, WW=Week) ZO GL VCC ICC TA 3, 6 -20 RFMHO1045 YYWW 2, 3, 4 Sym fO fO PO Notes 1, 2 1, 7 2, 3 Minimum 914.750 914.550 +7 -20 -35 <-80 50 11.6 -15 -20 -60 dBc 1.5:1 12.4 40 +70 VDC mA C Typical 915 Maximum 915.250 250 915.300 dBm Units MHz kHz
3 3, 5 3, 6
12 30
BLOCK DIAGRAM CAUTION: Electrostatic Sensitive Device. Observe precautions for handling. COCOM CAUTION: Approval by the U.S. Department of Commerce is required prior to export of this device. Notes:
1. 2. 3. 4. One or more of the following United States patents apply: 4,616,197; 4,610,681; and 4,761,616. Unless noted otherwise, all specifications are listed at TA = +25C 2C, VCC = nominal voltage 0.01 VDC, and load impedance = 50 with VSWR 1.5:1. The design, manufacturing process, and specifications of this device are subject to change without notice. Applies to oscillator only and not to sidebands caused by external electrical or mechanical sources. (Dedicated external voltage regulation with low-frequency filtering for the DC power supply and proper circuit board layout are recommended for optimum spectral purity.) For specified maximum operating load VSWR (any angle) at FO. (No instability or damage will occur for any passive load impedance.) For any combination of VCC and TA within the specified operating ranges. Applies for any combination of Note 5 and 6 conditions.
RF OUTPUT SAW Oscillator Buffer Amplifier V CC
ELECTRICAL CONNECTIONS
VCC 1 Case Ground 2 CC 13 Case Ground
5. 6. 7.
Top View
Case Ground 6 RF Output 7
9 Case Ground 8 VCC
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-9148 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 (c)1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: info@rfm.com http://www.rfm.com HO1045-101599
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915.0 MHz
DIP14-8
SAW Oscillator
Metal Dual-Inline Package with 8 leads in a 14-lead DIP configuration
mm Dimension MIN A B C D E F G H K L M N R -- -- -- 0.40 MAX 20.45 12.83 6.35 0.51 MIN -- -- -- 0.016
Inches MAX 0.805 0.505 0.250 0.020
0.64 Nominal 7.62 Nominal 2.54 Nominal 15.24 Nominal 5.97 1.30 -- -- 1.75 6.73 -- 11.18 18.80 2.26
0.025 Nominal 0.300 Nominal 0.100 Nominal 0.600 Nominal 0.235 0.051 -- -- 0.069 0.265 -- 0.440 0.740 0.089
Top View
B M C K
Bottom View
(4 Places)
F R
(3 Places) 7 6 8 9
L
A
N
2 1 13 14
H G
(4 Places)
D
Pin 1 Mark (Optional)
E
(8 Places)
RF Monolithics, Inc. Phone: (972) 233-2903 Fax: (972) 387-9148 RFM Europe Phone: 44 1963 251383 Fax: 44 1963 251510 (c)1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
E-mail: info@rfm.com http://www.rfm.com HO1045-101599
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