E-Series RF 1:1 Transformer
1475 - 1575 MHz
Features
q
q
ETC1-1R5-1
V3.00
SM-22
Surface Mount
1:1 Impedance Ratio
Description
M/A-COM’s ETC1-1R5-1 is a 1:1 RF transformer in a
low-cost, surface mount package. Ideally suited for high-
volume cellular and wireless applications. Typical appli-
cations include DC isolation.
Schematic
PRI
SEC
Specifications
@ 25°C
Frequency Range: 1474 - 1575 MHz
Parameter
Insertion Loss (f
L
- f
U
)
Maximum
2.0 dB
Mean (x) Sigma (σ)
0.78 dB
0.056
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .x = ±0.04 (1.00)
.xx = ±0.02 (0.50)
.xxx = ±0.010 (0.250)
Note: Mean and sigma calculated from average loss at @ 1500 MHz.
Ordering Information
Part No.
ETC1-1R5-1
ETC1-1R5-1TR
Packaging
Tubes
Tape & Reel
Pin Configuration
Pin No.
1
2
3
4
5
Function
Secondary dot
Not connected
Secondary
Primary
Primary dot
S 0968 C
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
s
1
Asia/Pacific: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
s
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
E-Series RF 1:1 Transformer
ETC1-1R5-1
V3.00
Absolute Maximum Ratings
Parameter
RF Power
DC Current
Operating/Storage Temp.
Absolute Maximum
250 mW
30 mA
-20°C to +85°C
Typical Performance
Over Extended Bandwidth (1 GHz - 2 GHz)
INSERTION LOSS vs FREQUENCY
0.0A
B
A1
avgs21
1.0 GHz
freq
2.0 GHz A
Y–FS= 1.0
avgiprl
INPUT IMPEDANCE vs FREQUENCY
–10.0
1.0 GHz
freq
2.0 GHz B
Note: All measurements performed on Hewlett Packard 8753D Network Analyzer (201 sample points, linear scale) in a 50 ohm coplanar waveguide
environment. Tables created using MDS software.
S-Parameter data available by E-Mail. Send your request to: eurotec@corp.macom.com.
Specifications Subject to Change Without Notice.
2
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
s
M/A-COM, Inc.
Asia/Pacific: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
s
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
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