NSVA321 Oct. 2004
JRC SAW FILTER
NSVA321
Application
Cordless telephone
Electrical Specification: (Table 1)
The device characteristics are measured in the circuit shown in Fig.1.
Table 1. Electrical Specifications
Item |
|
Spec. |
Typ. |
|
Input and Output Impedance |
|
- |
50Ω |
|
Nominal Center Frequency (f0) |
- |
814.5MHz |
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Insertion Loss |
|
814~815MHz |
3.5dB max. |
3.0dB |
Response Variation |
|
814~815MHz |
1.5dB max. |
1.0dB |
Input and Output VSWR |
|
814~815MHz |
2.5 max. |
2.0 |
Out of Band Rejection |
|
DC~734.5MHz |
55dB min. |
65dB |
(Relative to |
|
734.5~772.9MHz |
45dB min. |
55dB |
Through Level) |
|
859.5~874.5MHz |
30dB min. |
40dB |
|
|
874.5~1500MHz |
55dB min. |
65dB |
(Operating Temperature Range: -10~+60ºC)
Maximum Rating: (Table 2)
Table 2. Maximum Ratings
Item |
Rating |
Maximum Input Power |
+20dBm |
Maximum DC Voltage |
7.5V |
Operating Temperature Range |
-10~+60ºC |
Storage Temperature |
-20~+70ºC |
Mechanical Specifications: (Fig.2)
Package is designed as small as 3.5x3.5x1.0[mm3] for SMD (Surface Mount Device) type.
Notice:
This part is electrostatic discharge sensitive and may be damaged by improper handling.
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/jp/product/device/saw/index.html (Japanese) http://www.jrc.co.jp/eng/product/saw/index.html (English)
NSVA321 Oct. 2004
IN |
1 |
8 |
7 |
OUT |
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50Ω |
50Ω |
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2 SAW 6 |
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3 |
4 |
5 |
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(a) |
Fig.1 Measuring circuit |
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(1) |
3.5±0.2 |
(b) |
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3 . 5 ± 0 . 2
J4X
81 |
(2) |
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(3) |
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1 . 0 ± 0 . 2 |
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(0.95) |
4 |
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(0.8) |
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[5x] |
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3 |
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.0(6 ) |
x8[ ] |
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5 |
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(0.6) |
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5 4 ) |
2 |
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6 |
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2 . |
) |
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( |
7 |
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2 |
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. |
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1 |
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( |
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( 1 . 0 ) [ 2 x ] |
7 |
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1 |
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8
Fig.2 Package dimensions (in mm)
4.3
0.8
1.3
[6x]
0.8 [6x]
1.27 |
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4.3 |
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1.27 |
Via-Hole(Φ0.3) |
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Marking
(1)Manufacture’s Mark
(2)Lot Number
(a)Year
(b)Month
*Oct.--- X
Nov.--- Y
Dec.--- Z
(3) Part number Mark
Pin no. Connection
1GND
2IN/OUT
3GND
4GND
5GND
6OUT/IN
7GND
8GND
Fig.3 Desirable land area (in mm)