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PRODUCT INFORMATION
Vol. 54
Voltage Controlled Local Oscillator (VCO) Modules Developed Devices that Are Optimal for Microwave Data Communications
SMO1137V, SMO0705V
Overview
Rapid growth is expected in the field of data communications using microwave signals. In particular, electronics manufacturers see the market for high-speed large-capacity bidirectional data communications using satellites as a major growth area. Although microwave local oscillators are implemented by directly driving a GaAs MESFET or by providing a frequency amplifier for an oscillator that uses silicon transistors, both of these techniques suffer from excessive noise levels and are difficult to apply in digital communications applications. Thus there are now strong market demands for local oscillators that provide a stable oscillator signal with good phase noise characteristics in high-frequency transceivers. Sanyo has developed two VCO (voltage controlled oscillator) modules, the SMO1137V, which is optimal for fire prevention and other civil defense data communications applications, and the SMO0705V, which is optimal for general data communications and internet related applications. These VCO modules are local oscillators that use a VSAT (very small aperture terminal) systems and can support digital data communications systems. These modules combine the technology cultivated in Sanyo's low phase noise GaAs MESFET (the 2SK1645), which is provided for use in broadcast and communications satellite down converters, the SMO series of ultrahigh-frequency local oscillator modules, and Sanyo's GaAs varactor diodes to easily achieve low phase noise characteristics. The SMO1137V features a center frequency of 11.30 GHz with excellent frequency stability characteristics and a frequency range of 5 MHz and achieves modulation characteristics with superlative linearity. This product, due to its direct oscillation at ultrahigh frequencies, allows the number of external components to be reduced and thus can contribute to lower end product costs. It is provided in the industry's thinnest and lightest package and can thus contribute to end product miniaturization. The SMO0705V features a center frequency of 7.0 to 7.25 GHz, and a frequency range of 250 MHz. It can achieve the industry's highest transmission rate of 12 Mbps in an internet modem high-frequency down-converter. Also, since this module can use a silicon prescaler in place of the high-cost GaAs prescaler previously used for the ultrahigh-frequency signals, it can contribute to lower end product costs.
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
TOKYO OFFICE: Tokyo Bldg., 1-10, 1 Chome, Ueno, Taito-ku, TOKYO, 110-0005 JAPAN 1
PRODUCT INFORMATION
Features and Functions
SMO1137V (For civil defense radio and data communications applications) * Provides modulation characteristics with superlative linearity. * The industry's thinnest, lightest module of its type. * Achieves low phase noise characteristics when combined with a PLL circuit. * Hermetically sealed package structure for high reliability. * Can also be provided in packages that require no mounting screws (solder-plated packages). SMO0705V (For data communications and internet applications) * Provides a frequency range of 250 MHz or greater. * Allows the use of a silicon prescaler to contribute to lower end product costs. * Achieves low phase noise characteristics when combined with a PLL circuit. * Provided in a surface mounting package with package end through holes. * Achieves a data transfer rate of 12 Mbps.
Applications
VSAT system data communications converters
Specifications
SMO1137V Electrical Characteristics at Ta = 25C
Parameter Oscillation frequency Operating current drain Output power Modulation sensitivity Frequency variation range Frequency voltage stability Frequency load stability Frequency temperature stability Phase noise Package dimensions Symbol fO ID PO fm fra fV fL fT NP VCC = 5 V, VC = 4 V VCC = 5 V, VC = 4 V VCC = 5 V, VC = 4 V VCC = 5 V, VC = 4 1 V VCC = 5 V, VC = 0 to 8 V VCC = 5 0.1 V, VC = 4 V VCC = 5 V, VC = 4 V, VSWR: 1.5 VCC = 5 V, VC = 4 V, -30 to 75C VCC = 5 V, VC = 4 V, off-carrier: 100 kHz VCC = 5 V, VC = 4 V, off-carrier: 10 kHz 20.22 x 12.6 x 7.5 Test conditions Typical value 11.300 40 9 1.6 12 1.7 0.6 2.0 -104 -83 mm Unit GHz mA dBm MHz/V MHz MHz MHz MHz dBc/Hz
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
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PRODUCT INFORMATION
SMO0705V Electrical Characteristics at Ta = 25C
Parameter Oscillation frequency Operating current drain Output power Modulation sensitivity Frequency variation range Frequency voltage stability Frequency load stability Frequency temperature stability Symbol fO ID PO fm fra fV fL fT NP VCC = 5 V, VC = 1 V VCC = 5 V, VC = 6 V VCC = 5 V, VC = 1 to 6 V VCC = 5 V, VC = 1 to 6 V VCC = 5 V, VC = 1 to 6 V VCC = 5 V, VC = 1 to 6 V VCC = 5 0.25 V, VC = 1 to 6 V VCC = 5 V, VC = 1 to 6 V, VSWR: 1.5 VCC = 5 V, VC = 1 to 6 V, -30 to 75C VCC = 5 V, VC = 1 to 6 V, off-carrier: 10 MHz Phase noise VCC = 5 V, VC = 1 to 6 V, off-carrier: 1 MHz VCC = 5 V, VC = 1 to 6 V, off-carrier: 10 KHz Package dimensions 33.02 (1.3 inches) x 25.4 (1 inch) x 8 Test conditions Typical value 7.00 7.25 30 5 70 250 10 60 40 -120 -110 -63 mm dBc/Hz Unit GHz mA dBm MHz/V MHz MHz MHz MHz
Sample Availability
Samples of the SMO1137V and SMO0705V will be available in March 1998; production quantities will be anticipated in April of 1998.
FEBRUARY 18, 1998
s No products described or contained herein are intended for use in surgical implants, life-support systems, aerospace equipment, nuclear power control systems, vehicles, disaster/crime-prevention equipment and the like, the failure of which may directly or indirectly cause injury, death or property loss. s Anyone purchasing any products described or contained herein for an above-mentioned use shall: Accept full responsibility and indemnify and defend SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors and all their officers and employees, jointly and severally, against any and all claims and litigation and all damages, cost and expenses associated with such use: Not impose any responsibility for any fault or negligence which may be cited in any such claim or litigation on SANYO ELECTRIC CO., LTD., its affiliates, subsidiaries and distributors or any of their officers and employees jointly or severally. s Information (including circuit diagrams and circuit parameters) herein is for example only; it is not guaranteed for volume production. SANYO believes information herein is accurate and reliable, but no guarantees are made or implied regarding its use or any infringements of intellectual property rights or other rights of third parties.
SANYO Electric Co., Ltd. Semiconductor Business Headquarters Overseas Marketing Division
PS 21898/54
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