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HO1045 Datasheet(PDF) 1 Page - RF Monolithics, Inc

Part No. HO1045
Description  915.0 MHz SAW Oscillator
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Manufacturer  RFM [RF Monolithics, Inc]
Direct Link  http://www.rfm.com
Logo RFM - RF Monolithics, Inc

HO1045 Datasheet(HTML) 1 Page - RF Monolithics, Inc

  HO1045 Datasheet HTML 1Page - RF Monolithics, Inc HO1045 Datasheet HTML 2Page - RF Monolithics, Inc  
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RF Monolithics, Inc.
Phone: (972) 233-2903
Fax: (972) 387-9148
E-mail: info@rfm.com
Page 1 of 2
RFM Europe
Phone: 44 1963 251383
Fax: 44 1963 251510
http://www.rfm.com
©1999 by RF Monolithics, Inc. The stylized RFM logo are registered trademarks of RF Monolithics, Inc.
HO1045-101599
Electrical Characteristics
Characteristic
Sym
Notes
Minimum
Typical
Maximum
Units
Operating Frequency
Frequency at +25°C and 12.0 VDC
fO
1, 2
914.750
915
915.250
MHz
Tolerance from 915.0 MHz at 25°C
∆f
O
±250
kHz
Overall Frequency
1, 7
914.550
915.300
RF Output Power
PO
2, 3
+7
dBm
Spurious Outputs
Second Harmonics
2, 3, 4
-20
-15
dBc
Third and Higher Harmonics
-35
-20
Nonharmonic
<-80
-60
RF Impedance
Nominal Impedance
ZO
3
50
Operating Load VSWR
GL
3, 5
1.5:1
DC Power Supply
Operating Voltage
VCC
3, 6
11.6
12
12.4
VDC
Operating Current
ICC
30
40
mA
Operating Ambient Temperature
TA
3, 6
-20
+70
°C
Lid Symbolization (YY=Year, WW=Week)
RFMHO1045 YYWW
Dip 14-8 Case
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.
Absolute Maximum Ratings
Rating
Value
Units
DC Supply Voltage
0 to +13
VDC
Ambient Temperature
Powered
-40 to +70
°C
Storage
-40 to +85
915.0 MHz
SAW
Oscillator
HO1045
CAUTION: Electrostatic Sensitive Device. Observe precautions for
handling. COCOMCAUTION: ApprovalbytheU.S.Departmentof
Commerce is required prior to export of this device.
Notes:
1.
One or more of the following United States patents apply: 4,616,197; 4,610,681; and
4,761,616.
2.
Unless noted otherwise, all specifications are listed at TA = +25°C ±2°C, VCC = nom-
inal voltage ±0.01 VDC, and load impedance = 50
Ω with VSWR ≤ 1.5:1.
3.
The design, manufacturing process, and specifications of this device are subject to
change without notice.
4.
Applies to oscillator only and not to sidebands caused by external electrical or
mechanical sources. (Dedicated external voltage regulation with low-frequency filter-
ing for the DC power supply and proper circuit board layout are recommended for
optimum spectral purity.)
5.
For specified maximum operating load VSWR (any angle) at FO. (No instability or
damage will occur for any passive load impedance.)
6.
For any combination of VCC and TA within the specified operating ranges.
7.
Applies for any combination of Note 5 and 6 conditions.
BLOCK DIAGRAM
ELECTRICAL CONNECTIONS
RF OUTPUT
V CC
Buffer Amplifier
SAW Oscillator
Top
View
1
V
V
CC
CC
Case Ground 2
Case Ground 6
RF Output 7
13 Case Ground
9 Case Ground
8
CC


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