TA1842FG v2 - Golledge Electronics Ltd.

Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
1842.50MHz SAW Filter
Part No: MA05897
Model: TA1842FG
REV NO.: 2
A. MAXIMUM RATING:
1.Input Power Level: 13 dBm
2.DC voltage: 0 V
3.Operating Temperature: -30C to +85C
4.Storage Temperature: -40C to +85C
B. ELECTRICAL CHARACTERISTICS:
Item
Center frequency
Fc (dB)
Insertion loss within 1805 ~1880 MHz IL (dB)
Amplitude ripple (p-p) within 1805 ~ 1880 MHz (dB)
Attenuation (Reference level from 0 dB)
D.C. ~ 1500 MHz
(dB)
1600 ~ 1710 MHz
(dB)
1710 ~ 1785 MHz
(dB)
1920 ~ 3120 MHz
(dB)
3120 ~ 4000 MHz
(dB)
VSWR within 1805 ~1880 MHz
Source impedance
Zs ()
Load impedance
ZL ()
Note1. No matching network required for operation at 50 
TA1842FG v2
Min.
Typ.
Max.
-
1842.5
2.2
1.3
3.8
2.3
20.0
22.0
10.0
25.0
24.5
25.0
23.5
28.0
-
17.0
-
30.0
1.9
50
50
2.6
-
1
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
1842.50MHz SAW Filter
Part No: MA05897
Model: TA1842FG
REV NO.: 2
C. FREQUENCY CHARACTERISTICS :
Transfer function
TA1842FG v2
2
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
1842.50MHz SAW Filter
Part No: MA05897
Model: TA1842FG
REV NO.: 2
Reflections Functions :
S11 VSWR
S22 VSWR
TA1842FG v2
3
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
1842.50MHz SAW Filter
Part No: MA05897
Model: TA1842FG
REV NO.: 2
D. MEASUREMENT CIRCUIT:
HP Network analyzer

B
SAW Filter
E

A,C,D,F
E. OUTLINE DRAWING:
T H
F
TA1842FG v2
4
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
1842.50MHz SAW Filter
Part No: MA05897
Model: TA1842FG
REV NO.: 2
F. PACKING:
1. REEL DIMENSION
2. TAPE DIMENSION
TH
F
Note 1
Note :
1. Pocket position relative to sprocket hole measured as true position of pocket, not
pocket hole
TA1842FG v2
5
Tel: +44 1460 256 100
Fax: +44 1460 256 101
www.golledge.com
Golledge Electronics Ltd
Eaglewood Park, ILMINSTER
Somerset, TA19 9DQ, UK
1842.50MHz SAW Filter
Part No: MA05897
Model: TA1842FG
REV NO.: 2
G. REFLOW PROFILE:
1. Preheating shall be fixed at 140 ~ 160°C for 60 ~ 90 seconds.
2. Ascending time to preheating temperature 150°C shall be 30 seconds min.
3. Heating shall be fixed at 200°C for 50 ~ 60 seconds and at 230±10°C peak.
IR-reflow Profile
260
Peak (240°C max)
240
220
200
Go down
Temp/degC
180
160
Heating
140
Preheating
120
gradually
(200°C)
(140~160°C)
100
80
60
40
20
0
0
20
40
60
80
100 120 140 160 180 200 220 240 260
Time/sec
30sec min
60 ~ 90 sec
50 ~ 60 sec
TA1842FG v2
6