E-Series RF 8:1 Transformer 0.09 - 140 MHz ET8-1T V3.00 Features ● ● SM-1 8:1 Impedance Ratio CT on Secondary Specifications @ 25°C Frequency Range 0.09 - 140 MHz Insertion Loss 0.09 - 140 MHz 0.15 - 140 MHz 0.3 - 60 MHz Maximum 3 dB 2 dB 1 dB Amplitude Imbalance 0.09 - 40 MHz 0.09 - 140 MHz Maximum 0.2 dB 1 dB Phase Imbalance 0.09 - 20 MHz 0.09 - 140 MHz 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 Absolute Maximum Ratings Parameter RF Power DC Current Operating/Storage Temp. Absolute Maximum 250 mW 30 mA -20°C to +85°C Pin Configuration Function Pin No. Primary dot 4 Primary 6 Secondary dot 3 Secondary 1 Secondary CT 2 Not Connected 5 S 0198 D 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 ET8-1T E-Series RF 8:1 Transformer, 0.09 - 140 MHz V3.00 SM-5 SM-21 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. 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. 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