JRC NSVA372 User Manual

NSVA372 Apr. 2005

JRC SAW FILTER

NSVA372

Application

325MHz PAGER

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		230Ω//-5pF	-
Nominal Center Frequency (f0)		325MHz	-
Insertion Loss	321~329MHz	5.5dB max.	4.5dB
Response Variation	321~329MHz	2.0dB max.	0.8dB
Out of Band Rejection	275MHz	35.0dB min.	41dB
(Relative to	300MHz	35.0dB min.	39dB
Through Level)	350MHz	30.0dB min.	35dB
	375MHz	35.0dB min.	39dB
	650MHz	40.0dB min.	47dB
	975MHz	28.0dB min.	33dB

(Operating Temperature Range: -10~+60ºC)

Maximum Rating: (Table 2)

Table 2. Maximum Ratings

Item	Rating
Maximum Input Power	0dBm
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 Equipment Division

Communications Equipment Marketing Department

10-1, Nishi-Shinjuku 6-chome, Shinjuku-ku,

Tokyo, 160-8328 Japan

Tel. [phone]

Fax. [phone] http://www.jrc.co.jp/jp/product/device/saw/index.html (Japanese) http://www.jrc.co.jp/eng/product/saw/index.html(English)

NSVA372 Apr. 2005

IN		1	8	7		OUT
Ω	180Ω				180Ω	Ω
50						50
		2 SAW 6
		3	4	5
	47nH				53nH

(a)	Fig.1 Measuring circuit
(1)	3.5±0.2	(b)

	. 2	J17
	3 . 5 ± 0	K4		(2)
			(3)
	1 . 0 ± 0 . 2
	(0.95)	4	(0.8)
			[5x]
	3		.0(6 )	x8[ ]
			5
	(0.6)
5 4 )	2		6
2 .	)
(	7
	2
	.
	1
	(	( 1 . 0 ) [ 2 x ]	7
	1

8

Fig.2 Package dimensions (in mm)

4.3

0.6

1.2

[6x]

0.6 [6x]

1.27
4.3
1.27	Via-Hole(Φ0.3)

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

3GND

4GND

5GND

6OUT

7GND

8GND

Fig.3 Desirable land area (in mm)