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NSVS747 Dec-01
JRC SAW FILTER
NSVS747
Application
314.95MHz Remote Unlocking
Electrical Specification: (Table 1) The device characteristics are measured in the circuit shown in Fig.1. Table 1. Electrical Specifications Item Spec. Typical Input and Output Impedance 50 Nominal Center Frequency (f0) 314.95MHz Insertion Loss 314.45~315.45MHz 3.0dB max. 1.5dB Response Variation 314.45~315.45MHz 1.5dB max. 0.6dB Input and Output VSWR 314.45~315.45MHz 2.5 max. 1.5 Out of Band Rejection 293.05MHz 50dB min. 60dB (Relative to Through Level) 335.85MHz 45dB min. 50dB (Operating Temperature Range: -40~+85C)
Maximum Rating: (Table 2) Table 2. Maximum Ratings Item Maximum Input Power Maximum DC Voltage Operating Temperature Range Storage Temperature
Rating +20dBm 7.5V -40~+85C -50~+100C
Mechanical Specifications: (Fig.2) Package is designed as small as 3.5x3.5x1.0[mm3] for SMD (Surface Mount Device) type. Notice: This part is electrostatic discharge sensitive and may be damaged by improper handling.
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 http://www.jrc.co.jp/product/comm/deveice/saw/saw_top.html (Japanese) http://www.jrc.co.jp/product/comm/device/saw/saw_top_e.html (English)
NSVS747 Dec-01
IN 50
1
8
7
OUT 50
2 SAW 6 3 4 5
(a) (1)
Fig.1 Measuring circuit
3.50.2 (b)
3 .5 0 .2
J19
BH
(3) (0.95)
(2)
4
(0.8) [5x]
(0 .6 )
5
(0.6)
(2 .5 4 ) (1 .2 7 )
2
[8 x ]
3
Marking (1) Manufacture's Mark (2) Lot Number (a) Year (b) Month *Oct.--- X Nov.--- Y Dec.--- Z (3) Part number Mark Pin no. 1 2 3 4 5 6 7 8 Connection GND IN/OUT GND GND GND OUT/IN GND GND
1 .0 0 .2
6
(1.0) [2 x ]
1 8
7
Fig.2 Package dimensions (in mm)
4.3 0.6 1.2 [6x]
4.3
1.27
1.27
Via -Hole( 0.3)
Fig.3 Desirable land area (in mm)
0.6 [6x]
NSVS747 Dec-01
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 -40C or more than +85C, 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. 2. When soldering iron is used, solder with the temperature at the tip of soldering iron: 350C max., the time of soldering: 10 seconds max., the power of soldering iron: 30W max.. 3. Notice that the allowed time of soldering with soldering iron is accumulated time, when soldering is repeated. 4. 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. 5. Confirm that there are not any influence for qualification to this component in mounting on PCB when this component is cleaned. 6. 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. 7. As it might be a cause of degradation or destruction to apply D.C. voltage between each terminal, apply D.C. voltage 7.5V max. in actual circuit.
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.
314.95MHz Remote Unlocking NSVS747
0 S21
FREQUENCY CHARACTERISTICS
0
Insertion Loss [dB]
20
2
Insertion Loss [dB]
40
4
60
6
80
8
100 289.9 314.9 Frequency [MHz] 339.9
10
S11
S22
S11
6 5 6 5
S22
VSWR
4 3 2 1 289.9
VSWR
4 3 2 1 289.9 314.9 Frequency [MHz]
339.9
314.9 Frequency [MHz]
339.9
0
S21
InsertionLoss [dB]
20
40
60 0 1500 Frequency [MHz] 3000
Japan Radio Co.,Ltd.
(1dB Scale)

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