JRC NSVS778 Bedienungsanleitung

NSVS778 Apr. 2005

Application

2488.32MHz Data Communications

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[mm3] for SMD (Surface Mount Device) type.

Notice:

This part is electrostatic discharge sensitive and may be damaged by improper handling.

Table 1. Electrical Specifications (at Room Temperature)

Item Spec. Typ.

Nominal Center Frequency (f0) 2487.92~2488.72MHz 2488.32MHz

Insertion Loss at f0 6.0dB max. 5.0dB

Loaded Q - 1250

Attenuation f0±10MHz 20dB 25dB

Insertion Phase 2488.32MHz - Reference(*1)

Turnover Temperature 37~57ºC 47ºC

Phase Slope - 0.082deg/kHz

Frequency Temperature Coefficient - -0.044ppm/ºC2

Substrate Material - Quartz

*1: Nominal Phase = 0ºType

Table 2. Maximum Ratings

Item Rating

Maximum Input Power 0dBm

Operating Temperature Range -30~+85ºC

Storage Temperature -30~+85ºC

JRC SAW FILTER

NSVS778

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

(1.35)

(0.8)

(0.55) (0.6) 1.1±0.1

3.2±0.1

2.5±0.1

(1)

(b)

(2)

(a)

[4x]

[4x] [2x]

[2x]

Marking

(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

Fig.1 Measuring circuit

Fig.2 Package dimensions (in mm)

Fig.3 Desirable land area (in mm)

6SAW

0.95

0.6

0.95 3.3

1.75 1.75

4.0

1.2

50Ω

OUT

Ω

NSVS778 Apr. 2005

Notice

1. Use this component within operating temperature range. It might not be

satisfied with electrical specification without operating temperature range.

When it is used less than –30ºC or more than +85ºC, it might be a cause of

degradation or destruction of the component. Even if it endures during a short

time, it causes degradation of qualification.

2. When soldering iron is used, solder with the temperature at the tip of

soldering iron: 350ºC max., the time of soldering: 10 seconds max., the power

of soldering iron: 30W max..

3. Notice that the allowed time of soldering with soldering iron is accumulated

time, when soldering is repeated.

4. As rapid temperature change for cleaning after reflow soldering might be a

cause of destruction clean this component after confirming that temperature

of this component goes down to room temperature.

5. Confirm that there are not any influence for qualification to this component in

mounting on PCB when this component is cleaned.

6. As it might be a cause of degradation of destruction to apply static electricity

to this component, do not apply static electricity or excessive voltage while

assembling and measuring. And do not transport this component with bare

hand.

Note

1. This specification specifies the quality of this component as a single unit.

Make sure that this component is evaluated and confirmed against this

specification when it is mounted to your products.

2. The information contained herein may be changed without prior notice. It is

therefore advisable to contact Japan Radio Company before proceeding with

the design of equipment incorporating this product.

3. The products are designed to be used with ordinary electronic equipment

(data and communications equipment, office equipment, audio-video

equipment, measuring instruments, etc). Japan Radio Company does not

assume any liability for the case using the products with the application

required high reliability or safety extremely (such as space equipment,

sea-bottom equipment, medical equipment etc). When intending to use any

our product please contact our sales representatives in advance.

CH1: Center 2488.32 Span: 40

100

Insertion Loss [dB]

CH2: Center 2488.32 Span: 40

CH1: Center 2488.32 Span: 4

Insertion Loss [dB]

Phase [deg]

CH1: Center 2488.32 Span: 4

180

-90

-180

FREQUENCY CHARACTERISTICS

NSVS778 Apr. 2005

S11 S22

NSVS971 Dec-04

Fig.1 Measuring circuit

13.30±0.20

6.5±0.20

(R0.3)

[4×]

(0.76)

(2.54)

(1.4)

(0.8)

[12×]

(2.54±0.15)

Pin No. Connection

1GND(PKG)

2GND(PKG)

3 GND(PKG)

4GND(PKG)

5OUT/IN

6 GND(signal)

7GND(PKG)

8GND(PKG)

9GND(PKG)

10 GND(PKG)

11 IN/OUT

12 GND(signal)

2.0 max.

(1)

(a) (b)

(3)

Marking

(1) Manufacture's Mark

(2) Lot Number

(a) Year

(b) Month

*Oct.--- X

Nov.--- Y

Dec.--- Z

1-9--- 0

10-19 --- 1

20-31 --- 2

(3) Part Number Mark

(1.26±0.13)

[12×]

(2.54)

(R0.3)

(2.54±0.15)

(2)

12345

910

(C)

Fig.2 Package dimensions(in mm)

J4Y1

VS971

１２３４

９８７

６

５

OUT

50O

SAW

*27nH

39pF

33pF

*murata LQW18A series

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