MACOM ETK4-2T Datasheet
E-Series RF 1:4 Transformer — 2 - 1000 MHz ETK4-2T
ETK4-2T
E-Series RF 1:4 Transmission Line Step-up
Transformer
Features
• Surface Mount
• 1:4 Impedance Ratio
• CT on Secondary
• Available on Tape & Reel
Description
M/A-COM’s ETK4-2T is a 1:4 RF transmission line step-up
transformer in a low cost, surface mount package. Ideally suited
for high volume applications.
SM-22 Package
0.050
0.050
(1.27)
(1.27)
0.150
0.150
(3.81)
(3.81)
0.100
0.100
(2.54)
(2.54)
Schematic
0.030
(0.762)
0.030
(0.762)
0.150
0.150
(3.81)
(3.81)
0.030
0.030
(0.762)
(0.762)
0.030
0.030
(0.762)
(0.762)
0.150 MAX
0.150 MAX
(3.81 MAX)
(3.81 MAX)
0.130
0.130
(3.30)
(3.30)
0.065
0.065
(1.65)
(1.65)
0.055
0.055
(1.397)
(1.397)
0.030
0.030
(0.762)
(0.762)
0.190
0.190
(4.83)
(4.83)
Primary Dot 5
1 Secondary Dot
2 Secondary CT
Primary 4
3 Secondary
Electrical Specifications @25°C
Parameter Units Nominal Typical Minimum Maximum
Frequency Range 2 - 1000 MHz — — — —
Insertion Loss 5 - 250 MHz
3 - 500 MHz
2.5 - 700 MHz
2.0 -1000MHz
Amplitude Imbalance 2 - 300 MHz
300 - 1000 MHz
Phase Imbalance 2 - 300MHz
300 - 1000MHz
Please Note that the photograph above indicates typical package only, not actual unit.
dB
dB
dB
dB
dB
dB
Degrees
Degrees
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
V3.00 S 0967 D
1.0
2.0
3.0
4.0
0.3
2.0
5.0
20
M/A-COM Division of AMP Incorporated n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+85 2 2111 8088,
Fax +85 2 2111 8087 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
E-Series RF 1:4 Transformer — 2 - 1000 MHz ETK4-2T
dB
dB
Degrees
Absolute Maximum Ratings
Parameter Absolute Maximum
RF Power 250 mW
DC Current 30 mA
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to 100°C
Typical Performance @ +25°C
Insertion Loss
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
2.0 202.0 402.0 602.0 802.0
2 200 400 600 800 1000
Frequency (MHz)
Functional Configuration
Function Pin No.
Primary Dot 5
Primary 4
Primary CT —
Secondary Dot 1
Secondary 3
Secondary CT 2
Case Ground —
Not Connected —
Amplitude Imbalance
0.20
0.00
-0.20
-0.40
-0.60
-0.80
-1.00
2 200 400 600 800 1000
2.0 202.0 402.0 602.0 802.0
Frequency (MHz)
200.0
195.0
190.0
185.0
180.0
175.0
170.0
165.0
160.0
2 200 400 600 800 1000
2.0 202.0 402.0 602.0 802.0
Frequency (MHz)
M/A-COM Division of AMP Incorporated n North America: Tel. (800) 366-2266, Fax (800) 618-8883 n Asia/Pacific: Tel.+85 2 2111 8088,
Fax +85 2 2111 8087 n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
www.macom.com AMP and Connecting at a Higher Level are trademarks.
Specifications subject to change without notice.
Phase Imbalance
V3.00 S 0967 D
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