TDK HHM1525

(1/2)
Multilayer Chip Baluns
For DCS-PCS/Tx & Rx
Conformity to RoHS Directive
HHM Series HHM1525
SHAPES AND DIMENSIONS
2.0±0.15
0.95±0.1
5
4
1
2
3
+0.1
0.25–0.2
1.25±0.15
6
0.65±0.2
0.2±0.2
0.3±0.2
0.35±0.2
Terminal functions
1 Unbalanced port
2 GND or DC feed+ RF GND
3 Balanced port
4 Balanced port
5 GND
6 N.C.
Dimensions in mm
CIRCUIT DIAGRAM
6
5
4
Balanced
output
50Ω
Unbalanced
input
50Ω
1
2
3
RECOMMENDED PC BOARD PATTERNS
0.50
0.80
0.30
0.35
Dimensions in mm
ELECTRICAL CHARACTERISTICS
Unbalanced impedance
Balanced impedance
Frequency range
Unbalanced port return loss
Phase imbalance at balanced port
Amplitude imbalance at balanced port
Insertion loss
Operating
Temperature range
Storage
Packaging style and quantities
50
50
1710 to 1990MHz
10dB min.
180±10deg.
0±1.0dB
1.0dB max.
–40 to +85°C
–40 to +85°C
2000pieces/reel
• Conformity to RoHS Directive: This means that, in conformity with EU Directive 2002/95/EC, lead, cadmium, mercury, hexavalent chromium, and
specific bromine-based flame retardants, PBB and PBDE, have not been used, except for exempted applications.
• All specifications are subject to change without notice.
001-02 / 20130901 / rf_balun_hhm1525_en.fm
(2/2)
1
1700
2
1800
1900
Frequency (MHz)
3
2000
AMPLITUDE BALANCE
1: 1710MHz
–12.83dB
2: 1850MHz
–14.86dB
3: 1990MHz
–15.09dB
2100
Insertion loss (dB)
INSERTION LOSS
0.0
–0.5
–1.0
–1.5
–2.0
–2.5
–3.0
–3.5
–4.0
–4.5
–5.0
1600
Amplitude balance (dB)
0
–5
–10
–15
–20
–25
–30
–35
–40
–45
–50
1600
5.0
4.0
3.0
2.0
1.0
0.0
–1.0
–2.0
–3.0
–4.0
–5.0
1600
1700
3
2
1
1800
1900
Frequency (MHz)
2000
195
1
1700
1: 1710MHz
0.33dB
2: 1850MHz
0.50dB
3: 1990MHz
0.69dB
2100
PHASE BALANCE
2
1800
1900
Frequency (MHz)
3
2000
1: 1710MHz
–0.70dB
2: 1850MHz
–0.59dB
3: 1990MHz
–0.58dB
2100
Phase balance (deg.)
Return loss (dB)
FREQUENCY CHARACTERISTICS
Unbalance 50 /Balance 50
RETURN LOSS
190
185
180
175
1
3
2
1: 1710MHz
179.12deg.
2: 1850MHz
179.33deg.
3: 1990MHz
179.38deg.
170
165
1600
1700
1800
1900
Frequency (MHz)
2000
2100
• All specifications are subject to change without notice.
001-02 / 20130901 / rf_balun_hhm1525_en.fm