User manual JRC NSVS848
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Manual abstract: user guide JRC NSVS848
Detailed instructions for use are in the User's Guide.
[. . . ] 2004
JRC SAW FILTER
NSVS848
Application
458MHz Low Power Transceiver
Electrical Specification: (Table 1) The device characteristics are measured in the circuit shown in Fig. 1. Input and Output Impedance 50 Nominal Center Frequency (f0) 458MHz Insertion Loss 457. 5~458. 5MHz 3. 5dB max. [. . . ] It might not be satisfied with electrical specification without operating temperature range. When it is used less than -10ºC or more than +60ºC, 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. 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. . Notice that the allowed time of soldering with soldering iron is accumulated time, when soldering is repeated. 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. Confirm that there are not any influence for qualification to this component in mounting on PCB when this component is cleaned. 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. 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. [. . . ] 2004
IN 50 O
*27nH
11
10
,
X
,
W , U
,
V
OUT 50 O
39pF
12
SAW
, P , Q ,
, T R
*27nH
, S 33pF
0
S21
FREQUENCY CHARACTERISTICS
*murata LQW18A series
0
Insertion Loss [dB]
20
2
(1)
13. 30±0. 20
40
(a) (b)
(C)
(1. 26±0. 13)
(2)
4
60
6
80
100
CH1 : center 458 span 100 CH2 : center 458 span 100
J4Y1 VS971
(3)
6. 5±0. 20
8
10
S11
S22
(R0. 3) [4×]
Marking (1) Manufacture's Mark (2) Lot Number (a) Year
2. 0 max.
(b) Month *Oct. --- X Nov. --- Y Dec. --- Z
(0. 76) VSWR
S11
11 9 7 5 3 1 408
(2. 54)
(2. 54)S22 11
9
(c) Date 1 --- 0 -9 10 -19 --- 1 20 -31 --- 2 (3) Part Number Mark
VSWR
7 5 3
(2. 54±0. 15)
508 Frequency [MHz]
(1. 4)
[12×]
Frequency [MHz]
Pin No. Connection
508
1 408
1 2 3 4 5 6
GND(PKG) GND(PKG) GND(PKG) GND(PKG) OUT/IN GND(signal) GND(PKG) GND(PKG) GND(PKG) GND(PKG) IN/OUT GND(signal)
0
InsertionLoss [dB]
20 40 60 80 100 0
12
1
2
3
4
5
(2. 54±0. 15)
[12 ×]
S21
(0. 8)
7 8
11 10
9
8
7
6
9 10 11 12
(R0. 3)
[12×]
2242. 5
Fig. 2 Package dimensions(in mm) Frequency [MHz]
Insertion Loss [dB]
Fig. 1 Measuring circuit [. . . ]
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