ETC ETK4-3T

E-Series RF 4:1 Transformer
3.5 - 700 MHz
ETK4-3T
V3.00
Features
●
●
SM-22
Surface Mount
4:1 Impedance Ratio
CT on Secondary
Description
M/A-COM’s ETK4-3T is a 4:1 RF transformer in a
low-cost, surface mount package. Ideally suited for high
volume cellular and wireless applications. Typical
applications include single to balanced mode conversion
and impedance matching.
Schematic
PRI
SEC
Specifications @ 25°C
Frequency Range: 3.5 - 700 MHz
Parameter
Insertion Loss (fL - f U)
40 - 200 MHz
3.5 - 500 MHz
500 - 700 MHz
Amplitude Unbalance
3.5 - 200 MHz
200 - 700 MHz
Phase Unbalance
3.5 - 700 MHz
Maximum
Mean (x) Sigma (σ)
1.0 dB
2.0 dB
4.0 dB
0.64 dB
–
–
0.034
–
–
0.3 dB
1.0 dB
–
–
–
–
15°
–
–
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .x = ±0.04 (1.00)
.xx = ±0.02 (0.50)
.xxx = ±0.010 (0.250)
Pin Configuration
Note: Mean and sigma calculated from average loss at @ (f U - f L)/2 + f L.
Ordering Information
Part No.
ETK4-3T
ETK4-3TTR
Packaging
Tubes
Tape & Reel
Pin No.
Function
1
Secondary dot
2
Secondary CT
3
Secondary
4
Primary
5
Primary dot
S 0980 B
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
North America:
1
Tel. (800) 366-2266
Fax (800) 618-8883
■
Asia/Pacific: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
■
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020
ETK4-3T
E-Series RF 4:1 Transformer
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 (30 kHz - 1.0 GHz)
A1
360.0A
PHASE UNBALANCE vs FREQUENCY
–3.0B
–3.0A
INSERTION LOSS vs FREQUENCY
unit0s31
unit0s21
B1
0.0
–13.0
–13.0
pb
B1
30.0 kHz
30.0 kHz
freq
freq
1.0 GHz A
1.0 GHz B
30.0 kHz
INPUT IMPEDANCE vs FREQUENCY
30.0 kHz
freq
1.0 GHz A
Y–FS= 1.0
–5.0
A1
iprl
–ab
5.0A
B
AMPLITUDE UNBALANCE vs FREQUENCY
A1
1.0 GHz A
freq
30.0 kHz
freq
1.0 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: [email protected].
Specifications Subject to Change Without Notice.
M/A-COM, Inc.
2
North America:
Tel. (800) 366-2266
Fax (800) 618-8883
■
Asia/Pacific: Tel. +81 (03) 3226-1671
Fax +81 (03) 3226-1451
■
Europe: Tel. +44 (1344) 869 595
Fax +44 (1344) 300 020