ARX4435 Aeroflex Circuit Technology, ARX4435 Datasheet - Page 2

• Manufacturer Part Number: ARX4435
• Description: Arx4435 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 H 009 Macair speci-
fications. The transmitter may be safely operated for
an indefinite period with the output short circuited at
100% duty cycle.
Receiver
data at the input and produces two TTL signals at the
output. The outputs are DATA and DATA, and repre-
DATA IN
DATA IN
INHIBIT
LINE TO LINE
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
The transmitter utilizes an active filter to suppress
The Receiver section accepts bi-phase differential
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
sent 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.)
and 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
Note overlap
SCD4435 REV B 2/3/99 Plainview NY [phone]