PRELIMINARY
Oct. / 2002 Ver.4 TDK Corporation
MULTILAYER BALUN SPECIFICATION P/N: HHM1711D1 For Bluetooth & IEEE802.11b/g
[MECHANICAL DIMENSIONS]
1.6 ± 0.1
6
0.8±0.1
5
4
Pin configuration 1. Unbalanced Port 2. GND or DC feed+ RF GND 3. Balanced Port 4. Balanced Port 5. GND 6. N.C.
1
0.6±0.1
2
3
Unbalanced Input Unit: mm 0.1±0.1 0.55±0.1 0.3±0.1 0.25± 0.1 50 ohm
6 1
5 2
4 3
Balanced Output 100 ohm
[ELECTRICAL CHARACTERISTICS]
Unbalanced Impedance Balanced Impedance Frequency Range Unbalanced Port Return Loss Phase Imbalance at Balanced Port Amplitude Imbalance at Balanced Port Insertion Loss 50 ohm 100 ohm 2400 –2500 MHz 10dB min. 180 ± 10 deg 0 ± 2.0 dB 1.2 dB Max.
[TEMPERATURE RANGE]
Storage Temperature Operating Temperature -40°C ~ +85°C -40°C ~ +85°C
[STANDARD PACKAGING QUANTITIES]
4000pcs. /reel
Note: The above PRELIMINARY data are not guaranteed, and are subject to change without notice.
PRELIMINARY
[ Frequency response ]
HHM1711D1(UNBALANCE 50ohm/BALANCE 100ohm)
Return Loss
0 -5 2400 -13.62 2450 -13.14 2500 -12.33 MHz dB MHz dB MHz dB
TDK Corporation Amplitude Balance
5 4
Amplitude Balance (dB)
Return Loss (dB)
3 2 1 0 -1 -2 -3 -4
-10 -15 -20 -25 -30 2100
2400 -0.45 2450 -0.34 2500 -0.21
MHz dB MHz dB MHz dB
2200
2300
2400
2500
2600
2700
2800
-5 2100
2200
2300
2400
2500
2600
2700
2800
Frequency (MHz)
Frequency (MHz)
Insertion Loss
0.0 -0.5 -1.0 2400 -0.82 2450 -0.85 2500 -0.87 MHz dB MHz dB MHz dB
Phase Balance
205 200 2400 179.9 2450 179.8 2500 179.8 MHz deg MHz deg MHz deg
Phase Balance (deg)
195 190 185 180 175 170 165 160 155 2100 2200 2300 2400 2500 2600 2700 2800
Insertion Loss (dB)
-1.5 -2.0 -2.5 -3.0 -3.5 -4.0 -4.5 -5.0 2100 2200 2300 2400 2500 2600 2700 2800
Frequency (MHz)
Frequency (MHz)
[ Recommended PCB Pattern ]
0.25
0.25
0.6
Bal N.C 0.3 Gnd Port2
HHM ****.
0-0.1
0.3
0 -0.1 0- 0.1
Unbal 0.6 Port
Bal Gnd Port1
0.7 0.3
dia.0.3 thru-hole
This width is 50ohm. Micro -strip line for 0 4 mm thick glass- epoxy substrate
Note: The above PRELIMINARY data are not guaranteed, and are subject to change without notice.
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