JRC NSVS779 User Manual

NSVS779 Apr. 2005

JRC SAW FILTER

NSVS779

Application

1244.16MHz 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)
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
		*1: Nominal Phase = 0º Type

Maximum Rating: (Table 2)

Table 2. Maximum Ratings

Item	Rating
Maximum Input Power	10dBm
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. [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)

NSVS779 Apr. 2005

	IN	5	4
	50Ω
		6 SAW	3
		1	2

(b)	Fig.1 Measuring circuit
	3.2±0.1

2 . 5 ± 0 . 1

33 HT

(2)

(a)(1)

	1 . 1 ± 0 . 1
			(1.35)
			[4x] 1	2
			(0.8)
			[2x]
	6 ) x]		6	3
	0 .	[ 2
	(
	. 5 5 )	4 x]
	0	[
	(		5	4
			Fig.2 Package dimensions (in mm)
				4.0
			1.75	1.75
		0.95
			1.2
	3.3	0.6
		0.95

Fig.3 Desirable land area (in mm)

OUT 50Ω

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