ARX4418D Просмотр технического описания (PDF) - Aeroflex Corporation
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производитель
ARX4418D
Aeroflex Corporation
ARX4418D Datasheet PDF : 7 Pages
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Figure 3 Transmitter (TX) Output Amplitude
vs Control Voltage
Figure 4 Transmitter (TX) Output offset
VP-P @ B–B'
30
27
24
21
18
Typical
15
12
9
Slope = 3VP-P/Vdc
6
3
0
01 234567 89
CONTROL VOLTAGE
0 Volts
10 Vdc
LAST BIT
Magnified View
* OUTPUT OFFSET
* OUTPUT OFFSET
2.5 µsec
*Offset measured at point A-A’ in Fig 5
Figure 5 Typical Transformer Connection
(Total hybrid with one channel transmitting
and the other not powered – 100% Duty Cycle)
70Ω
70Ω
TX DATA OUT
TX DATA OUT
RX DATA IN
RX DATA IN
C1 N1:N2 52.5Ω
B
A
Ctr
tap
C2
B’
A’
N1:N3 for
stub
coupling
52.5Ω
C1 & C2 are > 0.47µF,
BX Ceramic Capacitors.
Transformer turns ratios:
N1:N2 = 1:1
N1:N3 = 1:0.707
Use Aeroflex 25T1553-1
Figure 6 Typical Hybrid Power Dissipation
vs Duty Cycle (Total with one channel
transmitting and the other not powered)
4.0
3.5
3.0
Total Hybrid Input
3.25
Power
2.5
2.0
1.5
1.65
1.0
Typical Hybrid
0.5
Dissipation
0
0 10 20 30 40 50 60 70 80 90 100
DUTY CYCLE, PERCENT
For VOP-P = 30 V at 140Ω
NOTES
1. Characteristics guaranteed by design, not production tested.
2. Power on or off, measured from 75KHz to 1MHz at point A-A' and transformer self impedance of 3KΩ
minimum at 1 MHz.
3. Specifications apply over the temperature range of -40°C to +85°C (Case Temperature) unless otherwise
noted.
4. All typical values are measured at +25°C.
Aeroflex Circuit Technology
5
SCD4418D Rev A 9/24/97 Plainview NY (516) 694-6700
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