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• Communication Associates Inc. offers only 1 family for the Short Thermal attenuators / pads. These attenuators / pads adjust their amount of attenuation as temperature changes. This is useful for compensating system level errors in some cases.

"B" Family: This family has the most aggressive change, 0.023dB/°C. Offered in 1 - 15dB versions.

 JXP Temperatur Compensating Attenuator
Mechanical Dimensions:
Top View
Bottom View
Front/Back View
Side View
JXP TCA Top View JXP TCA Bottom View
JXP TCA Front/Back View
 JXP TCA Side View
   
JXP Thermal Attenuator Part Number
Marking
SPECIFICATIONS 5 - 862 MHz
Coeff.
Insertion Loss
Rtn Loss
dB/deg. C
S21 -20C
S21 +23C
S21 +45C
S21 +80C
S11
"B" Family
CA019601
TH-1B
0.00255
1.17
1.06
1
0.91
18
CA019602
TH-2B
0.0114
2.74
2.25
2
1.60
18
CA019603
TH-3B
0.015
3.98
3.33
3
2.48
18
CA019604
TH-4B
0.023
5.50
4.51
4
3.20
20
CA019605
TH-5B
0.023
6.50
5.51
5
4.20
20
CA019606
TH-6B
0.023
7.50
6.51
6
5.20
20
CA019607
TH-7B
0.023
8.50
7.51
7
6.20
22
CA019608
TH-8B
0.023
9.50
8.51
8
7.20
22
CA019609
TH-9B
0.023
10.50
9.51
9
8.20
24
CA019610
TH-10B
0.023
11.50
10.51
10
9.20
24
CA019611
TH-11B
0.023
12.50
11.51
11
10.20
24
CA019612
TH-12B
0.023
13.50
12.51
12
11.20
24
CA019613
TH-13B
0.023
14.50
13.51
13
12.20
24
CA019614
TH-14B
0.023
15.50
14.51
14
13.20
24
CA019615
TH-15B
0.023
16.50
15.51
15
14.20
24
Notes:
1. Return Loss (S11) is worst case over temperature range -20ºC to +80ºC.

2. Insertion loss (S21) Specification tolerance at given temperature:
    5-200  MHz: +/- 0.20 dB ± 2șC
    862 MHz: +/- 0.30 dB ± 2șC
3. "B" Family. Tilt at +80șC at 862 MHz is -0.20 dB max.
4. Power dissipation is 0.125W RMS max.
5. Body material is polypropylene. Electrical contact pins are gold plated brass.
6. Characteristic impedance for this series is 75 Ohms.
7. Center pin is ground, outside pins are RF in/out (Bidirectional).
8. Specifications subject to change without notice.
Phone (256) 835-0900
Fax (256) 835-0992
E-mail us at sales@caisolutions.com