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ACT4489-DF 数据表(PDF) 5 Page - Aeroflex Circuit Technology |
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ACT4489-DF 数据表(HTML) 5 Page - Aeroflex Circuit Technology |
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5 / 7 page ![]() Aeroflex Circuit Technology SCD4489D REV A 1/30/98 Plainview NY (516) 694-6700 5 Configurations and Ordering Information ACT Model # / Ordering Part # Case Style DESC Number Rx Standby ACT 4489-D DIP TBA Normally Low ACT 4489-DI DIP TBA Normally High ACT 4489-DF FP TBA Normally Low ACT 4489-DFI FP TBA Normally High Figure 3 – Transmitter (TX) Output Offset OUTPUT OFFSET * OUTPUT OFFSET * LAST BIT 2.5 µsec *Offset measured at point A in Figure 5 0 Volts Magnified View Figure 5 – Typical 1553 Bus Connections 1 : 1 TX DATA OUT TX DATA OUT RX DATA IN RX DATA IN 70 Ω 70 Ω 52.5 Ω 3 2 1 52.5 Ω 8 4 1 : 0.707 TX DATA OUT TX DATA OUT RX DATA IN RX DATA IN 52.5 Ω 3 2 1 52.5 Ω 7 5 1 : 1.4 Transformer Coupled Stub Direct Coupled Stub C B Zoi VCM Zoi A A T1553-1 T1553-1 ACT 4489 ACT 4489 Transformer Model use Technitrol Part# 1553-1 or equivalent Figure 4 – Hybrid Power Dissipation vs. Duty Cycle 0 10 20 30 40 50 60 70 80 90 100 3200 2800 2400 2000 1600 1200 800 400 0 DUTY CYCLE – PERCENT (Total hybrid with one channel transmitting and the other not powered – 100% Duty Cycle) Note: Vcc= +12V, VEE = -12V, VL= +5V, Transformer ratio 1:1, V BUS (point A) at 7VP-P. 0.270 3600 3.0W 1.9W Typical Hybrid Dissipation Typical Hybrid Input Power Specifications subject to change without notice. |
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