JRC NSVS779 User Manual
NSVS779 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.
1244.16MHz Data Communications
Table 1. Electrical Specifications (at Room Temperature)
Item Spec. Typ.
Nominal Center Frequency (f0) 1243.96~1244.36MHz 1244.16MHz
Insertion Loss at f0 4.5dB max. 3.5dB
Loaded Q - 1350
Attenuation f0±5MHz 20dB 25dB
Insertion Phase 1244.16MHz - Reference(*1)
Turnover Temperature 34~54ºC 44ºC
Phase Slope - 0.17deg/kHz
Frequency Temperature Coefficient - -0.047ppm/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
NSVS779
*1: Nominal Phase = 0º Type
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)
NSVS779 Apr. 2005
HT
Ω
IN
50Ω
SAW
6
12
45
3
OUT
50
(b)
Fig.1 Measuring circuit
3.2±0.1
2.5±0.1
33
(2)
(a)
(1)
1.1±0.1
(1.35)
[4x]
1
2
(0.8)
[2x]
Marking
(1) Lot Number
(a) Year
(b) Month
*Oct.--- X
Nov.--- Y
Dec.--- Z
(2) Part number Mark
6
[2x]
(0.6)
(0.55)
[4x]
5
Fig.2 Package dimensions (in mm)
4.0
1.75
4
1.75
3
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)
Loading...