JRC NSVS841 User Manual
NSVS841 Apr. 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 3.2x2.5x1.1[mm
Notice:
This part is electrostatic discharge sensitive and may be damaged by improper handling.
644.00 MHz Data Communications
Table 1. Electrical Specifications (at Room Temperature)
Item Spec. Typ.
Nominal Center Frequency (f0) 643.90~644.10MHz 644.00MHz
Insertion Loss at f0 3.5dB max. 2.5dB
Loaded Q - 1450
Attenuation f0±2MHz 20dB 25dB
Insertion Phase 644.00MHz - Reference(*1)
Turnover Temperature - 31ºC
Phase Slope - 0.37deg/kHz
Frequency Temperature Coefficient - -0.041ppm/ºC2
Substrate Material - Quartz
Table 2. Maximum Ratings
Item Rating
Maximum Input Power 10dBm
Operating Temperature Range -30~+85ºC
Storage Temperature -30~+85ºC
http://www.jrc.co.jp/jp/product/device/saw/index.html (Japanese)
JRC SAW FILTER
NSVS841
*1: Nominal Phase = 0ºType
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)
NSVS841 Apr. 2005
Ω
)
IN
50Ω
SAW
6
12
45
3
OUT
50
(b)
Fig.1 Measuring circuit
3.2±0. 1
2.5±0.1
33
H3
(2)
(0.6)
(0.55)
(a)
(1)
Marking
1.1±0.1
(1.35)
[4x]
1
(0.8)
[2x]
6
[2x]
[4x]
5
Fig.2 Package dimensions (in mm
4.0
1.75
2
3
4
1.75
(1) Lot Number
(a) Year
(b) Month
*Oct.--- X
Nov.--- Y
Dec.--- Z
(2) Part number Mark
Pin no. Connection
1 GND
2 IN/OUT
3 GND
4 GND
5 OUT/IN
6 GND
0.95
1.2
3.3
0.6
0.95
Fig.3 Desirable land area (in mm)
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