NSVS778 Apr. 2005
JRC SAW FILTER
NSVS778
Application
2488.32MHz Data Communications
Electrical Specification: (Table 1)
The device characteristics are measured in the circuit shown in Fig.1.
Table 1. Electrical Specifications |
(at Room Temperature) |
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Item |
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Spec. |
Typ. |
Nominal Center Frequency (f0) |
2487.92~2488.72MHz |
2488.32MHz |
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Insertion Loss at |
f0 |
6.0dB max. |
5.0dB |
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Loaded Q |
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- |
1250 |
Attenuation |
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f0±10MHz |
20dB |
25dB |
Insertion Phase |
|
2488.32MHz |
- |
Reference(*1) |
Turnover Temperature |
|
37~57ºC |
47ºC |
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Phase Slope |
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|
- |
0.082deg/kHz |
Frequency Temperature Coefficient |
- |
-0.044ppm/ºC2 |
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Substrate Material |
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- |
Quartz |
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*1: Nominal |
Phase = 0ºType |
Maximum Rating: (Table 2)
Table 2. Maximum Ratings
Item |
Rating |
Maximum Input Power |
0dBm |
Operating Temperature Range |
-30~+85ºC |
Storage Temperature |
-30~+85ºC |
Mechanical Specifications: (Fig.2)
Package is designed as small as 3.2x2.5x1.1[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
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/jp/product/device/saw/index.html (Japanese) http://www.jrc.co.jp/eng/product/saw/index.html(English)
NSVS778 Apr. 2005
IN |
5 |
4 |
50Ω
6 SAW 3 |
OUT |
50Ω
1 2
(b) |
Fig.1 Measuring circuit |
3.2±0.1 |
2 . 5 ± 0 . 1
1 . 1 ± 0 . 1
0 . 6 ) [2 x ] |
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( |
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. 5 5 ) |
4 x] |
0 |
[ |
( |
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33 HS (2)
(a)(1)
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Marking |
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(1) Lot Number |
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(a) Year |
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(1.35) |
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(b) Month |
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[4x] |
1 |
2 |
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*Oct.--- |
X |
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Nov.--- |
Y |
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Dec.--- |
Z |
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(2) Part number Mark |
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(0.8) |
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[2x] |
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Pin no. |
Connection |
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6 |
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3 |
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1 |
GND |
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2 |
IN/OUT |
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3 |
GND |
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4 |
GND |
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5 |
OUT/IN |
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5 |
4 |
6 |
GND |
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Fig.2 Package dimensions (in mm)
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4.0 |
1.75 |
1.75 |
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0.95 |
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1.2 |
3.3 |
0.6 |
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0.95 |
Fig.3 Desirable land area (in mm)