E-Series RF 1:1 Flux Coupled Transformer
0.3 - 200 MHz
ETC1-1T
Features
• Surface Mount
• 1:1 Impedance Ratio
• CT on Secondary
• Available on Tape & Reel
Description
M/A-COM’s ETC1-1T is a 1:1 RF flux coupled transformer in a
low cost, surface mount package. Ideally suited for high volume
applications.
SM-22 Package
0.050
(1.27)
0.150
(3.81)
0.100
(2.54)
Schematic
0.030
(0.762)
0.150
(3.81)
0.030
(0.762)
0.030
(0.762)
0.150 MAX
(3.81 MAX)
0.130
(3.30)
0.065
(1.65)
0.055
(1.397)
0.030
(0.762)
0.190
(4.83)
Primary Dot 4
3 Secondary Dot
3 turns
6 turns
Primary 5
2 Secondary CT
3 turns
1 Secondary
Electrical Specifications @25°C
Parameter Units Nominal Typical Minimum Maximum
Frequency Range 0.3 - 200 MHz — — — —
Insertion Loss 0.3 - 200 MHz dB — — — 1.5
Amplitude Imbalance 0.3 - 50 MHz
0.3 - 200 MHz
Phase Imbalance 0.3 - 50 MHz
0.3 - 200 MHz
Input Return Loss 0.3 - 200 MHz
5 - 120 MHz
Please Note that the photograph above indicates typical package only, not actual unit.
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266, Fax (800) 618-8883
n Asia/Pacif ic: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
dB
dB
Degrees
Degrees
dB
dB
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
—
10.0
15.0
V8.00 S 0181 I
0.1
0.5
1.0
5.0
8
E-Series RF 1:1 Transformer — 0.3 - 200 MHz ETC1-1T
Absolute Maximum Ratings
Parameter Absolute Maximum
RF Power 250 mW
DC Current 240 mA *
Operating Temperature -40°C to +85°C
Storage Temperature -55°C to 100°C
* The maximum DC current applies to the secondary center tap in
applications where the secondary is balanced.
Typical Performance @ +25°C
Insertion Loss
0.0
-0.1
-0.2
-0.3
-0.4
dB
-0.5
-0.6
-0.7
-0.8
-0.9
0 50 100 150 200
0.0 50.0 100.0 150.0 200.0
Frequency (MHz)
Functional Configuration
Function Pin No.
Primary Dot 4
Primary 5
Primary CT —
Secondary Dot 3
Secondary 1
Secondary CT 2
Case Ground —
Not Connected —
Amplitude Imbalance
0.05
0.00
-0.05
-0.10
dB
-0.15
-0.20
-0.25
0 50 100 150 200
0.0 50.0 100.0 150.0 200.0
Frequency (MH z)
185.0
184.0
183.0
182.0
181.0
rees
180.0
179.0
De
178.0
177.0
176.0
175.0
0 50 100 150 200
0.0 50.0 100.0 150.0 200.0
Frequency (MHz)
Specifications subject to change without notice.
n North America: Tel. (800) 366-2266, Fax (800) 618-8883
n Asia/Pacif ic: Tel.+81-44-844-8296, Fax +81-44-844-8298
n Europe: Tel. +44 (1344) 869 595, Fax+44 (1344) 300 020
Visit www.macom.com for additional data sheets and product information.
Input Return Loss
Phase Imbalance
-10.0
-15.0
-20.0
dB
-25.0
-30.0
-35.0
0.0 50.0 100.0 150.0 200 .0
Frequency (MHz)
V8.00 S 0181 I
8