Note: The above PRELIMINARY data are not guaranteed, and are subject to change without notice.
Unbalanced Impedance 50 ohm
Balanced Impedance 100 ohm
Frequency Range 824-915 MHz
Unbalanced Port Return Loss 10 dB min.
Phase Imbalance at Balanced Port 180 ± 10 deg
Amplitude Imbalance at Balanced Port 0 ± 2.2 dB
Insertion Loss 0.8 dB Max.
Storage Temperature -40°C ~ +85°C
Operating Temperature -40°C ~ +85°C
MULTILAYER BALUN SPECIFICATION
P/N: HHM1726N1 For 824-915MHz
Jan./ 2012 Ver.5
TDK-EPC Corporat ion
[MECHANICAL DI MENSIONS]
Pin configuration
1. Unbalanced Port
2. GND
3. Balanced Port
4. Balanced Port
5. GND
6. N.C.
Unit: m
m
1.6 ± 0.1
0.8±0. 1
0.6±0.1
6 5 4
1 2 3
0.1±0.1
0.3±0.1
0
.
55
±
0
.1
0.25± 0.1
(
To
p
View
)
(Bottom View)
0.15±0.1
Unbalanced I nput
50 ohm 1 2 3 Balanced Output
100 ohm
6 5 4
[ELECTRICAL CHARA CTERISTICS ]
[TEMPERATURE RANGE]
Note: The above PRELIMINARY data are not guaranteed, and are subject to change without notice.
[ Frequency response ]
HHM1726N1(UNBALANCE 50ohm/BALANCE 100ohm) TDK Corporation
2006/Apr.
Return Loss
A
mplitude Balance
824.0 MHz 824.0 MHz
-23.79 dB 1.02 dB
869.5 MHz 869.5 MHz
-24.02 dB -0.15 dB
915.0 MHz 915.0 MHz
-23.89 dB -1.25 dB
Insertion Loss Phase Balance
824.0 MHz 824.0 MHz
-0.38 dB 182.50 deg
869.5 MHz 869.5 MHz
-0.35 dB 182.48 deg
915.0 MHz 915.0 MHz
-0.38 dB 182.62 deg
-30
-25
-20
-15
-10
-5
0
700 750 800 850 900 950 1000 1050 1100
Frequency[MHz]
Return Loss[dB]
-5
-4
-3
-2
-1
0
1
2
3
4
5
700 750 800 850 900 950 1000 1050 1100
Frequency[MHz]
Amplitude Balance[dB]
-5.0
-4.5
-4.0
-3.5
-3.0
-2.5
-2.0
-1.5
-1.0
-0.5
0.0
700 750 800 850 900 950 1000 1050 1100
Frequency[MHz]
Insertion Loss[dB]
160
170
180
190
200
700 750 800 850 900 950 1000 1050 1100
Frequency[MHz]
Phase Balance[deg]
[ Recommended Land Pattern ]
