2450BM15A0015_125TempTest
High Temperature Measurement report
(125C) for:
P/N: 2450BM15A0015 Impedance-Matched Balun-Filter for Atmel AT86RF232/AT86RF233 Chipsets
Prepared by:
Manuel Carmona
RF Engineer - Integrated Passive Components
RF Business Development Manager
Johanson Technology Inc.
Cell: +1 (805) 204 7781
Office Direct: +1 (805) 465 1155
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1. Abstract:
This measurement report includes RF electrical characteristics of integrated passive component p/n 2450BM15A0015 operating in temperatures of 125°C. For detailed specs go to: http://www.johansontechnology.com/atmel
2. Electrical Specifications measured:
| Part Number |
Freq.
Range
(MHz) |
Unbalanced Impedance (ohm)
|
Balanced
Impedance
(ohm)
|
Insertion
Loss @
BW (dB)
|
Return
Loss @
BW (dB)
|
Phase Diff.
(degrees)
|
Amp. Diff.
(dB)
|
Differential Mode Attenuation (dB)
|
Common Mode Attenuation (dB)
|
|
2450BM15A0015
|
2400 - 2500
|
50
|
Conjugate match to Atmel AT86RF232, AT86RF233
|
1.5 max.
|
9.5 min.
|
180±10
|
2.0 max.
|
20min. @ 2Fo
20min. @ 3Fo
|
20min. @ 2Fo
|
3. Measured Results
Sample#1
|
Temperature
(degrees C)
|
Insertion Loss
@ BW (dB)
|
2nd Harmonic Rejection @4800~5000 MHz(dB)
|
3rd Harmonic Rejection @7200~7500 MHz(dB)
|
Phase Difference (degrees)
|
Amplitude Difference (dB)
|
Unbalanced RL @ BW (dB)
|
Balanced RL @ BW (dB)
|
Balanced port Impedance (Ω)
|
|
25
|
0.95~0.97
|
31.02~38.38
|
28.96~38.16
|
181.02~181.35
|
0.18~0.31
|
26.42~33.01
|
25.01~31.90
|
57.47+j28.24
|
|
125
|
1.22~1.22
|
31.78~38.40
|
46.1~52.5.
|
180.60~180.80
|
0.11~0.24
|
23.43~24.27
|
20.22~27.84
|
55.38+j22.3
|
Sample#2
|
Temperature (degrees C)
|
Insertion Loss @ BW (dB)
|
2nd Harmonic Rejection @4800~5000 MHz(dB)
|
3rd
Harmonic
Rejection @7200~7500 MHz(dB)
|
Phase Difference (degrees)
|
Amplitude Difference (dB)
|
Unbalanced RL @ BW (dB)
|
Balanced RL @ BW (dB)
|
Balanced port Impedance (Ω)
|
|
25
|
0.95~0.95
|
28.07~40.18
|
28.62~43.02
|
183.16~183.34
|
0.37~0.57
|
27.05~27.65
|
22.51~37.59
|
55.85+j25.39
|
|
125
|
1.24~1.25
|
28.84~43.26
|
31.61~51.59
|
183.62~183.74
|
0.42~0.62
|
18.25~22.94
|
33.04~42.80
|
55.02+j19.61
|
Sample#3
|
Temperature (degrees C)
|
Insertion Loss @ BW (dB)
|
2nd Harmonic Rejection @4800~5000 MHz(dB)
|
3rd
Harmonic Rejection @7200~7500 MHz(dB)
|
Phase Difference (degrees)
|
Amplitude Difference (dB)
|
Unbalanced RL @ BW (dB)
|
Balanced RL @ BW (dB)
|
Balanced port Impedance (Ω)
|
|
25
|
1.00~1.02
|
29.82~39.80
|
30.2~43.10
|
182.55~182.58
|
0.55~0.73
|
28.82~29.93
|
21.65~30.15
|
59.08+j25.4
|
|
125
|
1.26~1.27
|
31.03~38.07
|
32.24~54.65
|
183.68~183.99
|
0.63~0.83
|
22.40~24.46
|
18.56~24.28
|
57.26+j20.45
|
Sample#4
|
Temperature (degrees C)
|
Insertion Loss @ BW (dB)
|
2nd Harmonic Rejection @4800~5000 MHz(dB)
|
3rd
Harmonic Rejection @7200~7500 MHz(dB)
|
Phase Difference (degrees)
|
Amplitude Difference (dB)
|
Unbalanced RL @ BW (dB)
|
Balanced RL @ BW (dB)
|
Balanced port Impedance (Ω)
|
|
25
|
0.99~1
|
28.73~41.9
|
33.39~38.08
|
181.21~181.64
|
0.45~0.71
|
23.75~28.56
|
19.82~27.62
|
57.36+j21.97
|
|
125
|
1.25~1.28
|
29.66~39.94
|
35.74~43.64
|
181.62~182.00
|
0.48~0.72
|
20.15~22.58
|
17.08~21.55
|
56.01+j17.79
|
Sample#5
|
Temperature (degrees C)
|
Insertion Loss @ BW (dB)
|
2nd Harmonic Rejection @4800~5000 MHz(dB)
|
3rd
Harmonic Rejection @7200~7500 MHz(dB)
|
Phase Difference (degrees)
|
Amplitude Difference (dB)
|
Unbalanced RL @ BW (dB)
|
Balanced RL @ BW (dB)
|
Balanced port Impedance (Ω)
|
|
25
|
1.00~1.01
|
28.84~42.73
|
27.69~43.13
|
185.77~186.11
|
0.72~0.93
|
23.17~23.23
|
22.08~32.03
|
53.55+j24.57
|
|
125
|
1.28~1.29
|
29.96~40.78
|
30.1~49.55
|
186.32~186.97
|
0.78~0.99
|
19.66~20.65
|
18.06~22.45
|
52.57+j19.81
|
4. Conclusions:
Ceramic balun-filter p/n: 2450BM15A0015 can successfully operate and pass all RF specs when subject to a 125C environment for long periods of time without compromising structural integrity.
