E-Series RF 8:1 Transformer
0.09 - 140 MHz
Features
q
q
ET8-1T
V3.00
SM-1
8:1 Impedance Ratio
CT on Secondary
Specifications
@ 25°C
Frequency Range
Insertion Loss
0.09 - 140 MHz
0.15 - 140 MHz
0.3 - 60 MHz
Amplitude Imbalance
0.09 - 40 MHz
0.09 - 140 MHz
Phase Imbalance
0.09 - 20 MHz
0.09 - 140 MHz
0.09 - 140 MHz
Maximum
3 dB
2 dB
1 dB
Maximum
0.2 dB
1 dB
Maximum
2°
10°
Schematic
PRI
SEC
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .x = ±0.04 (1.00)
.xx = ±0.02 (0.50)
.xxx = ±0.010 (0.250)
Ordering Information
Part No.
ET8-1T-SM-1
ET8-1T-SM-1TR
ET8-1T-SM-5
ET8-1T-SM-20
ET8-1T-SM-20TR
ET8-1T-SM-21
Packaging
SM-1 in Tubes
SM-1 in Tape & Reel
SM-5 in Tubes
SM-20 in Tubes
SM-20 in Tape & Reel
SM-21 in Tubes
Pin Configuration
Function
Primary dot
Primary
Secondary dot
Secondary
Secondary CT
Not Connected
Pin No.
4
6
3
1
2
5
Absolute Maximum Ratings
Parameter
RF Power
DC Current
Operating/Storage Temp.
Absolute Maximum
250 mW
30 mA
-20°C to +85°C
S 0198 D
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 8:1 Transformer, 0.09 - 140 MHz
ET8-1T
V3.00
SM-5
SM-21
SM-20
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .x = ±0.04 (1.00)
.xx = ±0.02 (.x = ±0.5)
.xxx = ±0.010 (.xx = ±0.25)
Note: Pin numbers do not appear on the unit.
For reference only. Index mark indicates pin 6.
Dimensions in ( ) are in mm.
Unless Otherwise Noted: .x = ±0.04 (1.00)
.xx = ±0.02 (.x = ±0.5)
.xxx = ±0.010 (.xx = ±0.25)
Note: Pin numbers do not appear on the unit.
For reference only. Index mark indicates pin 6.
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
RF/Wirelessly
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