JRC NSVS681 User Manual
NSVS681 Jan. 2005
Application
Electrical Specification: (Table 1)
The device characteristics are measured in the circuit shown in Fig.1.
Maximum Rating: (Table 2)
Mechanical Specifications: (Fig.2)
Package is designed as small as 3.5x3.5x1.0[mm
Notice:
This part is electrostatic discharge sensitive and may be damaged by improper handling.
314.35MHz R.K.E.
Table 1. Electrical Specifications
Item Spec. Typ.
Input and Output Impedance
Nominal Center Frequency (f0) 314.35MHz Insertion Loss 313.85~314.85MHz 3.0dB max. 1.8dB
Response Variation 313.85~314.85MHz 1.5dB max. 0.6dB
Input and Output VSWR 313.85~314.85MHz 2.5 max. 1.5
(Relative to Through Level)
Table 2. Maximum Ratings
Item Rating
Maximum Input Power +20dBm
Maximum DC Voltage 7.5V
Operating Temperature Range -20~+70ºC
Storage Temperature -30~+80ºC
http://www.jrc.co.jp/jp/product/device/saw/index.html (Japanese)
JRC SAW FILTER
NSVS681
50Ω
292.95MHz 50dB min. 67dB Out of Band Rejection
335.75MHz 45dB min. 51dB
(Operating Temperature Range: -20~+70ºC)
3
] for SMD (Surface Mount Device) type.
Communications Equipment Division
Communications Equipment Marketing Department
10-1, Nishi-Shinjuku 6-chome, Shinjuku-ku,
Tokyo, 160-8328 Japan
Tel. +81 3-3348-3845
Fax. +81 3-3348-3935
http://www.jrc.co.jp/eng/product/saw/index.html(English)
-
NSVS681 Jan. 2005
IN
50Ω
8
SAW
7
6
1
2
345
OUT
50Ω
(a)
(1)
Fig.1 Measuring circuit
3.5±0. 2
(b)
J18
3.5±0.2
(2)
QM
(3)
1.0±0.2
(0.95)
4
(0.8)
[5x]
3
5
(0.6)
2
)
(2.54)
7
2
.
1
(
1
[2x ]
(1.0)
6
7
Fig.2 Package dimensions (in mm)
1.3
[6x]
8
4.3
0.8
1.27
Marking
(1) Manufacture’s Mark
(2) Lot Number
(a) Year
(b) Month
*Oct.--- X
Nov.--- Y
Dec.--- Z
[8x ]
(0.6)
(3) Part number Mark
Pin no. Connection
1 GND
2 IN/OUT
3 GND
4 GND
5 GND
6 OUT/IN
7 GND
8 GND
0.8
[6x]
4.3
Via-Hole(Φ0.3)
1.27
Fig.3 Desirable land area (in mm)
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