HHM1521 TDK Corporation, HHM1521 Datasheet - Page 38

• Manufacturer Part Number: HHM1521
• Description: XFRMR BALUN RF 2.4GHZ SMD
• Manufacturer: TDK Corporation
• Series: HHMr

Specifications of HHM1521

• Frequency Range: 2.4 ~ 2.5GHz
• Impedance - Unbalanced/balanced: 50 / 200 Ohm
• Phase Difference: 180° ±10
• Insertion Loss (max): 1.0dB
• Return Loss (min): 10dB
• Package / Case: 0805 (2012 Metric)
• Mounting Type: Surface Mount
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 445-1229-2; HHM-1521

Multilayer Baluns, HHM Series
HHM1537 For W-CDMA/Tx-Rx
SHAPES AND DIMENSIONS/CIRCUIT
RECOMMENDED PCB PATTERN
FREQUENCY CHARACTERISTICS
Unbalance 50Ω/Balance 150Ω
RETURN LOSS
INSERTION LOSS
• All specifications are subject to change without notice.
–10
–15
–20
–25
–30
–35
–40
–45
–50
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
–5
1700
0.0
0.2±0.2
0
1700
0.65±0.2
6
1
0.3
1800
2.0±0.15
1800
0.35±0.2
0.4
5
2
6
1
1900
0.3
1900
Frequency ( MHz )
Frequency ( MHz )
1
4
3
5
2
1
0.2
2000
2
0.3±0.2
2000
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
2100
2100
3
3
4
2200
4
2200
Dimensions in mm
2300
2300
1: 1920MHz
2: 1980MHz
3: 2110MHz
4: 2170MHz
1: 1920MHz
2: 1980MHz
3: 2110MHz
4: 2170MHz
–19.68dB
–19.81dB
–19.94dB
–19.61dB
–0.58dB
–0.60dB
–0.64dB
–0.66dB
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
–1
–2
–3
–4
–5
200
195
190
185
180
175
170
165
160
4
1700
3
5
4
3
2
1
0
1700
Balanced
output
150Ω
1800
1800
1900
1900
Frequency ( MHz )
Frequency ( MHz )
1
1
2000
2
2000
2
TERMINAL FUNCTIONS
1
2
3
4
5
6
2100
2100
3
3
Operating
Storage
4
2200
4
2200
Unbalanced Port
GND or DC feed+ RF GND
Balanced Port
Balanced Port
GND
N.C.
001-01/ 20070830 /e8balun_hhm.fm
2300
2300
1: 1920MHz
2: 1980MHz
3: 2110MHz
4: 2170MHz
1: 1920MHz
2: 1980MHz
3: 2110MHz
4: 2170MHz
0.17dB
0.11dB
–0.03dB
–0.15dB
179.4deg.
179.7deg.
180.4deg.
180.6deg.
50Ω
150Ω
1920 to 1980,
2110 to 2170MHz
10dB min.
180±10deg.
0±2.0dB
1.0dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
(38/53)