HHM1524B1 TDK Corporation, HHM1524B1 Datasheet - Page 39

• Manufacturer Part Number: HHM1524B1
• Description: XFRMR BALUN RF EGSM/TX-RX SMD
• Manufacturer: TDK Corporation
• Series: HHMr

Specifications of HHM1524B1

• Frequency Range: 880 ~ 960MHz
• Package / Case: 0805 (2012 Metric)
• Impedance - Unbalanced/balanced: 50 / 150 Ohm
• Phase Difference: 180° ±10
• Insertion Loss (max): 1.0dB
• Return Loss (min): 10dB
• Mounting Type: Surface Mount
• Product: Baluns
• Impedance: 150 Ohms
• Operating Temperature Range: - 40 C to + 85 C
• Termination Style: SMD/SMT
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant
• Other names: 445-3989-2

Multilayer Baluns, HHM Series
HHM1538 For DCS/Local
SHAPES AND DIMENSIONS/CIRCUIT
RECOMMENDED PCB PATTERN
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 100Ω
RETURN LOSS
INSERTION LOSS
• All specifications are subject to change without notice.
–10
–15
–20
–25
–30
–35
–40
–45
–50
–10
–5
0.2±0.2
0
1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 1600
–1
–2
–3
–4
–5
–6
–7
–8
–9
0
1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 1600
0.65±0.2
6
1
0.3
2.0±0.15
0.35±0.2
0.4
5
2
6
1
0.3
Frequency ( MHz )
1
Frequency ( MHz )
1
4
3
5
2
0.2
0.3±0.2
4
3
0.95±0.1
This width is 50Ω.
Micro-strip line for 0.4mm thick
glass-epoxy substrate.
ø0.3 Through-hole
Dimensions in mm
2
2
Dimensions in mm
1: 1280MHz
2: 1440MHz
1: 1280MHz
2: 1440MHz
–11.78dB
–13.29dB
–0.702dB
–0.632dB
Unbalanced
input
50Ω
1
6
2
5
ELECTRICAL CHARACTERISTICS
Unbalanced impedance
Balanced impedance
Frequency range
Unbalanced port return loss
Phase impedance at balanced port
Amplitude impedance at balanced port
Insertion loss
Temperature range
Packaging style and quantities
AMPLITUDE BALANCE
PHASE BALANCE
205
200
195
190
185
180
175
170
165
160
155
–10
4
3
10
–2
–4
–6
–8
1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 1600
8
6
4
2
0
1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 1600
Balanced
output
100Ω
Frequency ( MHz )
Frequency ( MHz )
1
1
TERMINAL FUNCTIONS
1
2
3
4
5
6
2
25°C
–40 to +85°C
Operating
Storage
2
Unbalanced Port
GND or DC feed+ RF GND
Balanced Port
Balanced Port
GND
N.C.
001-01/ 20070830 /e8balun_hhm.fm
1: 1280MHz
2: 1440MHz
1: 1280MHz
2: 1440MHz
179.7deg.
179.5deg.
–0.384dB
–0.069dB
50Ω
100Ω
1280 to 1440MHz
10dB min.
180±10deg.
0±2.0dB
0.9dB max.
1.0dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
(39/53)