JRC NSVA277 User Manual
NSVA277 Oct. 2004
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.
Cordless telephone
Table 1. Electrical Specifications
Item Spec. Typ.
Input and Output Impedance
Nominal Center Frequency (f0) 931MHz Insertion Loss 929.8~932.2MHz 3.5dB max. 3.4dB
Response Variation 929.8~932.2MHz 1.5dB max. 1.0dB
Input and Output VSWR 929.8~932.2MHz 2.5 max. 2.4
Out of Band Rejection
(Relative to
Through Level)
Table 2. Maximum Ratings
Item Rating
Maximum Input Power +20dBm
Maximum DC Voltage 7.5V
Operating Temperature Range -10~+60ºC
Storage Temperature -20~+70ºC
http://www.jrc.co.jp/jp/product/device/saw/index.html (Japanese)
JRC SAW FILTER
NSVA277
50Ω
DC~<851MHz 55dB min. 67dB
851~886MHz 45dB min. 62dB
972.6~991MHz 40dB min. 58dB
<991~1500MHz 55dB min. 57dB
(Operating Temperature Range: -10~+60ºC)
3
] for SMD (Surface Mount Device) type.
Communications and Device Group
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)
-
NSVA277 Oct. 2004
IN
50Ω
8
SAW
7
6
1
2
345
OUT
50Ω
(a)
(1)
Fig.1 Measuring circuit
3.5±0. 2
(b)
J4X
3.5±0.2
(2)
31
(3)
1.0±0.2
(0.95)
4
3
(0.6)
(0.8)
[5x]
5
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
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]
1.27
4.3
Via-Hole(Φ0.3)
1.27
Fig.3 Desirable land area (in mm)
Loading...