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  Datasheet File OCR Text:
 E-Series RF 4:1 Transformer 0.2 - 350 MHz
Features
q q
ET4-1
V3.00
SM-1
4:1 Impedance Ratio CT on Secondary
Specifications @ 25C
Frequency Range Insertion Loss 0.2 - 350 MHz 0.35 - 300 MHz 2.0 - 100 MHz Amplitude Imbalance 2 - 100 MHz 0.2 - 350 MHz Phase Imbalance 2 - 100 MHz 0.2 - 350 MHz 0.2 - 350 MHz Maximum 3 dB 2 dB 1 dB Maximum 0.1 dB 1.0 dB Maximum 1 5 Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = 0.04 (1.00) .xx = 0.02 (0.50) .xxx = 0.010 (0.250)
Schematic
PRI SEC
Pin Configuration
Function Primary dot Primary Secondary dot 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 Secondary Secondary CT Not Connected Pin No. 4 6 3 1 2 5
Ordering Information
Part No. ET4-1-SM-1 ET4-1-SM-1TR ET4-1-SM-5 ET4-1-SM-20 ET4-1-SM-20TR ET4-1-SM-21
Absolute Maximum Ratings
Parameter RF Power DC Current Operating/Storage Temp. Absolute Maximum 250 mW 30 mA -40C to +85C
S 0193 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 4:1 Transformer
ET4-1
V3.00
SM-5
SM-21
Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = 0.04 (1.00) .xx = 0.02 (0.50) .xxx = 0.010 (0.250)
Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = 0.04 (1.00) .xx = 0.02 (0.50) .xxx = 0.010 (0.250) Note: Pin numbers do not appear on the unit. For reference only. Index mark indicates pin 6.
SM-20
Dimensions in ( ) are in mm. Unless Otherwise Noted: .x = 0.04 (1.00) .xx = 0.02 (0.50) .xxx = 0.010 (0.250) 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


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