ARX4435N Aeroflex Circuit Technology, ARX4435N Datasheet - Page 2

• Manufacturer Part Number: ARX4435N
• Description: Arx4435n Transceiver For Macair H009 Specification
• Manufacturer: Aeroflex Circuit Technology

Aeroflex Circuit Technology
an overriding “INHIBIT” input returns the output
impedance to a high state. A logic “1” applied to the
“INHIBIT” takes priority over the condition of the data
inputs and disables the transmitter (See Transmitter
Logic Waveforms, Figure 1).
harmonics above 1 MHz to meet H009 Macair
specifications. The transmitter may be safely operated
for an indefinite period with the output short circuited
at 100% duty cycle.
data at the input and produces two TTL signals at the
output. The outputs are DATA and DATA, and
DATA IN
DATA IN
INHIBIT
LINE TO LINE
The transmitter utilizes an active filter to suppress
Receiver
The Receiver section accepts bi-phase differential
LINE TO LINE
Rx DATA OUT
Rx DATA OUT
Notes: 1. Data and DATA inputs must be complementry waveforms or 50% duty cycle average, with no delays between them, and in the same state during
OUTPUT
Figure 1 - Transmitter Logic Waveforms
Figure 2 - Receiver Logic Waveforms
INPUT
2. Region 1 ; no output signal, High Z state, (Receive Mode), Region 2; No Output signal, Low Z state, (Terminate Mode), Region 3, Transmitter signal
the off time (both high and low).
on, low Z.
Note
Region 1
:
Waveforms shown are for normally low devices. For normally high receiver output
level
devices, the receiver outputs are swapped as shown by the dashed lines
2
3
2
represent positive and negative excursions of the
input beyond a pre-determined threshold (See
Receiver Logic Waveforms, Figure 2).
data bus signals exceeding 1.05 Volts P-P and reject
signals less than 0.6 Volts P-P when used with a 1:1
turns ratio transformer (See Figure 5 for transformer
data and typical connection).
DATA outputs. If unused, a 2K pull-up to +5 Volts is
recommended.
The internal threshold is nominally set to detect
A low level at the Strobe input inhibits the DATA and
Note overlap
SCD4435N REV A 7/27/00 Plainview NY [phone]