The T735 accepts optical inputs from Highland Electrical-to-Optical converters or compatible sources. The T735-3, T735-5, T735-13, T735-15, and T735-16 versions are suited for use with singlemode or multimode fiber at 1310 and 1550 nanometers.
FUNCTION | Logic-level DC coupled optical-electrical converter |
INPUT |
T735-3, T735-13, T735-23: ST connectorized, 1mW, 1310 nm nominal optical input T735-5, T735-15: ST connectorized, 1mW, 1550 nm nominal optical input T735-16: FC connectorized, 700ps FWHM, 1mW peak, 1550 nm nominal optical input |
INPUT THRESHOLD | Optical: 100 µW to 800 µW (dash -3, -5, -13, -15) 100 µW to 2.5 mW (dash -23) 100 µW to 1.7 mW (dash -16) Factory threshold setting 300 µW (500 µW, nominal for dash -16) |
PROPAGATION DELAY | 25 ns, maximum |
MONITOR OUTPUT | Optical monitor scaling: 1 V/mW into 50 Ω Monitor source impedance: 50 Ω |
LOGIC OUTPUTS | T735-3, T735-5, T735-23: Dual RS422/485 differential and dual complementary TTL T735-13, T735-15, T735-16: Dual LVDS differential and dual complementary TTL Unloaded TTL output voltage: +5V TTL source impedance: 50 Ω Outputs are logic true when optical input receives light T735-16 stretches nominal 700ps FWHM input optical pulse to 7ns FWHM, nominal logic output pulse |
BANDWIDTH | RS422/485 versions: DC to 10 MHz (0 to 20 Mb/s data rate) T735-23 (AC coupled): 4 kHz (kBaud) max LVDS versions: DC to 100 MHz (0 to 200 Mb/s data rate) T735-16 O/E impulse response: 7 ns output pulse-width, nominal Pulse width adjustable over 2:1 range, typ. |
RISETIME | RS422/485 versions: 10 ns, nominal (15 pF, 100 Ω load) LVDS versions: 1 ns, nominal (10 pF, 100 Ω load) TTL outputs: 600 ps, nominal (50 Ω load) |
FALLTIME | RS422/485 versions: 10 ns, nominal (15 pF, 100 Ω load) LVDS versions: 1 ns, nominal (10 pF, 100 Ω load) TTL outputs: 700 ps, nominal (50 Ω load) |
JITTER | Optical input to RS422/485 versions: ≤ 50 ps RMS Optical input to LVDS versions: ≤ 20 ps RMS Optical input to LVDS (T735-16): ≤ 75 ps RMS |
OPERATING TEMPERATURE | 0 to 60°C; extended MIL/COTS ranges available |
CALIBRATION INTERVAL | One year |
POWER | +12 V at 500 mA max 2.1 mm x 5.5 mm connector Optional high retention-force MMCX connector available J12 Universal Wall-Plug Adapter recommended |
CONNECTORS | FC or ST input receptacle (depending on version) Gold plated SMB TTL and optical monitor outputs D9 female, RS422/485 or LVDS differential signal output 2.1 mm X 5.5 mm barrel power connector |
INDICATORS | LEDS: Front and rear panel green Power and blue Trigger Trigger LED intensity indicates trigger status: Dim for optical input above DC threshold, Bright for optical trigger edge transitions above threshold |
PACKAGING | 4.75" (L) x 4.00" (W) x 1.25" (H), extruded anodized aluminum Optional removable mounting flange |
CONFORMANCE | OEM product has no UL/FCC/CE compliance requirements Designed to meet UL/FCC/CE requirements Power adapter when furnished is UL/CE certified |
T735-3: compact DC-coupled 1310nm optical input with dual RS422/485 and complimentary TTL outputs converter
T735-5: compact DC-coupled 1550nm optical input with dual RS422/485 and complimentary TTL outputs converter
T735-13: compact DC-coupled 1310nm optical input with dual LVDS and complimentary TTL outputs converter
T735-15: compact DC-coupled 1550nm optical input with dual LVDS and complimentary TTL outputs converter
T735-16: compact DC-coupled 1550nm optical input with pulse stretcher, dual LVDS, and complimentary TTL outputs converter
T735-23: compact AC-coupled 1310nm optical input, 0 to 2.5mW threshold, dual RS422/485, complimentary TTL outputs converter