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| JRC SAW FILTER NSVS658 Application 1575.42MHz GPS Electrical Specification: (Table 1) The device characteristics are measured in the circuit shown in Fig.1. Table 1. Electrical Specifications Parameter Input and Output Impedance Nominal Center Frequency(f0) Insertion Loss Response Variation(pk-pk) Input and Output VSWR Out of Band Rejection (Relative to Through Level) Spec. Typical 50ohm 1575.42MHz 1574.42~1476.42MHz 3.5dB max. 2.8dB 1574.42~1476.42MHz 1.5dB max. 1.0dB 1574.42~1476.42MHz 2.5 max. 1.8 1475.42MHz 35dB min. 40dB 1535.42MHz 30dB min. 35dB 1615.42MHz 30dB min. 40dB 1675.42MHz 40dB min. 45dB (Operating Temperature Range:-40C~+85C) Maximum Rating: (Table 2) Table 2. Maximum Ratings Item 1 Maximum Input Power 2 Maximum DC Voltage 3 Operating Temperature Range 4 Storage Temperature Rating +20dBm 7.5V -40~+85C -50~+100C Mechanical Specification: (Fig.2) Package is designed as small as 2.5 x 2.0 x 1.0[mm] for SMD(Surface Mount Device) type. Notice: This part is Electrostatic Discharge Sensitive and may be damaged by improper handing. w w w .d at sh a et e u. 4 om c Communications Equipment Division Communications Equipment Marketing Department 17-22 Akasaka 2-chome Minato-ku, Tokyo. 107-0052 Japan Tel.+81 3-3584-8811 Fax.+81 3-3584-8876 www..com Fig.1 Measuring circuit Fig.2 Package dimensions ( in mm ) Fig.3 Desirable land area ( in mm ) Notice 1. Use this component within operating temperature range. It might not be satisfied with electrical specification without operating temperature range. When it is used less than -40 C or more than +85 C,it might be a cause of degradation or destruction of the component. Even if it endures during a short time, it causes degradation of qualification. When soldering iron is used, solder with the temperature at the tip of soldering iron : 350 C max.,the time of soldering : 10 seconds max.,the power of soldering iron : 30W max. Notice that the allowed time of soldering with soldering iron is accumulated time, when soldering is repeated. As rapid temperature change for cleaning after reflow soldering might be a cause of destruction clean this component after confirming that temperature of this component goes down to room temperature. Confirm that there are not any influence for qualification to this component in mounting on PCB when this component is cleaned. As it might be a cause of degradation of destruction to apply static electricity to this component , do not apply static electricity or excessive voltage while assembling and measuring. And do not transport this component with bare hand. As it might be a cause of degradation or destruction to apply D.C. voltage between each terminal, apply D.C. voltage 3V max. in actual circuit. 2. 3. 4. 5. 6. 7. Note 1. This specification specifies the quality of this component as a single unit. Make sure that this component is evaluated and confirmed against this specification when it is mounted to your products. GPS 1575.42MHz SAW FILTER NSVS658 FREQUENCY CHARACTERISTICS S21 0 10 20 30 Insertion Loss[dB] 40 50 60 70 80 90 100 1475.42 1575.42 1675.42 Frequency[MHz] S11 S22 S11 11 10 9 8 7 6 5 4 3 2 1 1475.42 S22 11 10 9 8 7 6 5 4 3 2 1 1475.42 VSWR 1575.42 Frequency [MHz] 1675.42 VSWR 1575.42 Frequency [MHz] 1675.42 0 10 20 Insertion Loss [dB] 30 40 50 60 70 80 90 100 0 600 1200 1800 S21 2400 3000 3600 Frequency [MHz] 4200 4800 5400 6000 |
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