High Temperature Measurement report (125C) for: P/N: 2450BM15A0015 Impedance-Matched Balun-Filter for Atmel AT86RF232/AT86RF233 Chipsets

2450BM15A0015 Impedance-Matched Balun-Filter for Atmel AT86RF232/AT86RF233 Chipsets

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

  • Lot#: 240-8042

 

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)
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
2450BM15A0015 Measured Results graphs sample 1

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
2450BM15A0015 Measured Results graphs sample 2

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
2450BM15A0015 Measured Results graphs sample 3

Sample#4

Amplitude Difference (dB)
Temperature (degrees C) Insertion Loss @ BW (dB) 2nd Harmonic Rejection @4800~5000 MHz(dB) 3rd
Harmonic Rejection @7200~7500 MHz(dB)
Phase Difference (degrees) 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
2450BM15A0015 Measured Results graphs sample 4

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
2450BM15A0015 Measured Results graphs sample 5

 

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.