Details, datasheet, quote on part number: NHI-1540
PartNHI-1540
CategoryCommunication => Network => Ethernet/DS1/E1 (T1/E1) => Transceivers
DescriptionDescription = Transceiver,dual,variableoutput ;; Power = +12V ;; Stub Coupled XFMR Ratio = 1.66:1.00 ;; Package Styles = 36DIP,36FP ;; Receiver Idle State = 0 ;; Desc SMD P/n = Uponrequest
CompanyNational Hybrid (NHI)
DatasheetDownload NHI-1540 datasheet
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Features, Applications

Device Types Available for Test Instrumentation and Simulation Equipment Requiring Mil-Std-1553A/B, MacAir A5232, A5690 Interfaces. Controllable Output Voltage Provides Capability to Automate the Remote Terminal Validation and Production Test Plans. Very Low Standby Power Totally Isolated Channels Short Circuit Proof Superior Noise Performance

The NHI variable output voltage transceivers are available in both single and dual channel, +12V and +15V power supply source, and packaged in both plug-in and surface mount package styles. Each receiver converts the 1553 bus bi-phase data to complementary RX and RX_L TTL digital outputs for use by the manchester decoder. The device provides independent receiver enables for each channel. The transmitters will output bi-phase manchester to the coupling transformer when the TX and TX_L inputs are driven by complementary TTL digital data. The device provides an independent transmitter inhibit TXINH for each channel. The transmitter output voltage to the data bus is controlled by a single control voltage input pin.

RX Receive RX_L Logic RXENA Comparator Filter RX Input RXIN_L RXIN

POWER SUPPLY REQUIREMENTS VCC SUPPLY CURRENT +V SUPPLY CURRENT TXVOC SUPPLY CURRENT POWER DISSIPATION OPERATING TEMPERATURES THERMAL IMPEDANCE LOGIC I/O RXENA_A, TXA, TXA_L, TXINH_A, RXENA_B, TXB, TXB_L, TXINH_B RXA, RXA_L, RXB, RXB_L Vcc= 5.5V, Vil= 0.0V Vcc= 4.5V, Vih= 2.7V Vcc= 5.5V, Iol= -8 mA Vcc= 4.5V, Ioh= 400 uA RECEIVER Input Resistance Input Capacitance Common Mode Rejection Ratio Threshold Voltage Input Level Receiver Delay TRANSMITTER Output Voltage Rise/Fall Time Transmitter Delay Output Dynamic Offset Voltage Output Noise Output Resistance Across 35 W load TXVOC 90% of peak to peak output TX or TX_L edge to bus zero crossing Across 35 W load Differential Differential, not transmitting VOUT t F tTD Vdyn Vnpp Rout Vpp nS mV mVpp k Differential Zero Crossing on bus RX or RX_L 1 MHz sine wave 1 MHz sine wave Rin Cin CMRR Vth Vin tRD pF dB Vpp nS Iil Iih Vol Voh Vcc=5.0V, +V=12.0V, total hybrid Vcc=5.0V, +V=12.0V, each channel Vcc=5.0V, +V=12.0V=TXVOC, One channel @ 100% duty cycle Vcc=5.0V, +V=12.0V, Transmit one channel @ 100% duty cycle Junction Case Storage Junction to Case

Pin# Function TXOUT_A TXOUT_A_L TXVOC_A GND_A RXA RXENA_A GND_A RXA_L NC TXOUT_B TXOUT_B_L TXVOC_B GND_B RXB RXENA_B GND_B RXB_L NC Pin# Function TXA_L TXA TXINH_A +5V_A NC GND_A RXIN_A_L RXIN_A +12V_A TXB_L TXB TXINH_B +5V_B NC GND_B RXIN_B_L RXIN_B +12V_B

TXOUT_L RXIN RXIN_L TXOUT_L RXIN RXIN_L

The NHI-1540 requires a transformer with a turns ratio of 1.25:1.00 for Direct Coupling, and a turns ratio of 1.66:1.00 for Transformer Coupling to the Mil-Std-1553 Bus. Technitrol part number Q1553-3 or equivalent is recommended. The center tap on the transceiver side of the isolation transformer must be grounded.


 

Some Part number from the same manufacture National Hybrid (NHI)
NHI-15475 2 Thru 4 Megabit Per Second Terminal Utilizing The MIL-STD-1553 Protocol. The Terminal is Capable of Bus Controller, Remote Terminal, Bus Monitor And Concurrent Monitor/rt Functions.
NHI-1553RT Description = MIL-STD-1553, Dual Redundant, Remote Terminal, 4k Words Static RAM, Multichip, Monolithic Transceivers With Separation of Broadcast Data Pointer Tables And External Time Tag Clock Input.
NHI-1559 Description = Transceiver,dual,monolithic ;; Power = +5V ;; Stub Coupled XFMR Ratio = 1.00:1.79 ;; Package Styles = 36DIP,36FP ;; Receiver Idle State = 0 ;; Desc SMD P/n = 5962-9206103HTX
NHI-1561RT Description = MIL-STD-1553, Dual Redundant, Remote Terminal, 4k Words Static RAM, Multichip, Monolithic Transceivers With Separation of Broadcast Data Pointer Tables And External Time Tag Clock Input.
NHI-1563 Description = Transceiver,dual,monolithic ;; Power = +5V ;; Stub Coupled XFMR Ratio = 1.00:1.79 ;; Package Styles = 36DIP,36FP ;; Receiver Idle State = 0 ;; Desc SMD P/n = 5962-9206103HTX
NHI-1567
NHI-1572RT Description = MIL-STD-1553, Dual Redundant, Remote Terminal, 4k Words Static RAM, Multichip, Monolithic Transceivers With Separation of Broadcast Data Pointer Tables And External Time Tag Clock Input.
NHI-1573 Description = Transceiver,dual,monolithic ;; Power = +5V ;; Stub Coupled XFMR Ratio = 1.00:1.79 ;; Package Styles = 24FP,24GW ;; Receiver Idle State = 0 ;; Desc SMD P/n = 5962-9206103HZX
NHI-1575RT Description = MIL-STD-1553, Dual Redundant, Remote Terminal, 4k Words Static RAM, Multichip, Monolithic Transceivers With Separation of Broadcast Data Pointer Tables And External Time Tag Clock Input.
NHI-1577 Description = Transceiver,dual,monolithic ;; Power = +5V ;; Stub Coupled XFMR Ratio = 1.00:1.79 ;; Package Styles = 36DIP,36FP ;; Receiver Idle State = 0 ;; Desc SMD P/n = 5962-9206103HTX
NHI-1578 Description = Transceiver,dual,monolithic,macaIR ;; Power = +5V ;; Stub Coupled XFMR Ratio = 1.00:1.79 ;; Package Styles = 36CERDIP ;; Receiver Idle State = 0 ;; Desc SMD P/n = 5962-9206105H4X
NHI-1582ET Description = MIL-STD-1553, Dual Redundant, Bus Controller, Remote Terminal, Bus Monitor, 16k Words Static RAM, +5V Operation, Monolithic Transceiver, Address Latch Input Pin. ;; Power = +5V ;; Stub Coupled
NHI-1584 Description = Transceiver,single,macaIR ;; Power = +/-15V ;; Stub Coupled XFMR Ratio = 1.40:1.00 ;; Package Styles = 24DIP,24FP ;; Receiver Idle State = 1 ;; Desc SMD P/n = 5962-9174902
NHI-1591RT Description = MIL-STD-1553, Dual Redundant, Remote Terminal, 4k Words Static RAM, Multichip, Monolithic Transceivers With Separation of Broadcast Data Pointer Tables And External Time Tag Clock Input.
NHI-1593 Description = Transceiver,dual,monolithic ;; Power = +5V ;; Stub Coupled XFMR Ratio = 1.00:1.79 ;; Package Styles = 24FP,24GW ;; Receiver Idle State = 0 ;; Desc SMD P/n = 5962-9206103HZX
NHI-1597 Description = Transceiver,single,macaIR ;; Power = +/-15V ;; Stub Coupled XFMR Ratio = 1.40:1.00 ;; Package Styles = 24DIP,24FP ;; Receiver Idle State = 1 ;; Desc SMD P/n = 5962-9174902
NHI-15975ET Description = MIL-STD-1553, Dual Redundant, Bus Controller, Remote Terminal, Bus Monitor, 16k Words Static RAM, +5V Operation, Monolithic Transceiver, Address Latch Input Pin. ;; Power = +5V ;; Stub Coupled
NHI-15991RT Description = MIL-STD-1553, Dual Redundant, Remote Terminal, 16k Words Static RAM, Multichip, Monolithic Transceivers With Separation of Broadcast Data Pointer Tables. ;; Power = +5V ;; Stub Coupled XFMR
NHI-1599ET Description = MIL-STD-1553, Dual Redundant, Bus Controller, Remote Terminal, Bus Monitor, 16k Words Static RAM, +5V Operation, Monolithic Transceiver, Address Latch Input Pin. ;; Power = +5V ;; Stub Coupled
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