Fluke 271-U 115V Product Manual - Page 20

Inputs, Phase locking, Interfaces, General

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271 Users Manual Inputs Ext Trig Frequency range: Signal range: Minimum pulse width: Input impedance: dc to 1 MHz. Threshold nominally TTL level; maximum input ±10 V. 50 ns for trigger, gate and FSK modes; 1 ms for sweep and hop modes. 10 kΩ VCA In Frequency range: Signal range: Input impedance: DC - 100 kHz. 2.5 V for 100% level change at maximum output. typically 6 kΩ. Phase locking The signals from these sockets are used to phase lock two or more generators. Clock In/Out TTL/CMOS threshold level as an input. Output logic levels nominally 1 V and 4 V from typically 50 Ω as an output. Sync Out TTL/CMOS logic levels from typically 50 Ω. Interfaces Full remote control facilities are available through the RS232 or GPIB interfaces. RS232: GPIB (IEEE-488): Variable Baud rate, 9600 Baud maximum. 9-pin Dconnector. As well as operating in a conventional RS232 mode the interface can be operated in addressable mode whereby up to 32 instruments can be addressed from one RS232 port. Conforms with IEEE488.1 and IEEE488.2 General Display: Data Entry: Stored Settings: Size: Weight: Power: Temperature range: Environmental: 20 character x 4 row alphanumeric LCD. Keyboard selection of mode, waveform etc. Value entry direct by numeric keys or by rotary control. Up to 9 complete instrument set-ups may be stored and recalled from battery-backed memory. 3U (130mm) high; half-rack (212mm) wide; 330mm deep. 4.1 kg (9 lb) 100 V ac, 110-120 V ac or 220-240 V ac ±10 %, 50/60 Hz, adjustable internally; 40 VA max. Installation category II. operating: +5 to 40 °C, 20-80 % RH. storage: -20 to +60 °C Indoor use at altitudes up to 2000 m, 1-8 MyFlukeStore Shop for Fluke products online at: www. .com 1.888.610.7664

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271
Users Manual
1-8
Inputs
Ext Trig
Frequency range:
dc to 1 MHz.
Signal range:
Threshold nominally TTL level; maximum input ±10 V.
Minimum pulse width:
50 ns for trigger, gate and FSK modes;
1 ms for sweep and hop modes.
Input impedance:
10 k
Ω
VCA In
Frequency range:
DC - 100 kHz.
Signal range:
2
.
5 V for 100% level change at maximum output.
Input impedance:
typically 6 k
Ω
.
Phase locking
The signals from these sockets are used to phase lock two or more generators.
Clock In/Out
TTL/CMOS threshold level as an input.
Output logic levels nominally 1 V and 4 V from typically 50
Ω
as an output.
Sync Out
TTL/CMOS logic levels from typically 50
Ω
.
Interfaces
Full remote control facilities are available through the RS232 or GPIB interfaces.
RS232:
Variable Baud rate, 9600 Baud maximum. 9-pin D-
connector.
As well as operating in a conventional RS232 mode the
interface can be operated in addressable mode whereby up to
32 instruments can be addressed from one RS232 port.
GPIB (IEEE-488):
Conforms with IEEE488.1 and IEEE488.2
General
Display:
20 character x 4 row alphanumeric LCD.
Data Entry:
Keyboard selection of mode, waveform etc.
Value entry direct by numeric keys or by rotary control.
Stored Settings:
Up to 9 complete instrument set-ups may be stored and
recalled from battery-backed memory.
Size:
3U (130mm) high;
half-rack (212mm) wide;
330mm deep.
Weight:
4.1 kg (9 lb)
Power:
100 V ac, 110-120 V ac or 220-240 V ac ±10 %,
50/60 Hz, adjustable internally;
40 VA max.
Installation category II.
Temperature range:
operating: +5 to 40 °C, 20-80 % RH.
storage: -20 to +60 °C
Environmental:
Indoor use at altitudes up to 2000 m,
Shop for Fluke products online at:
1.888.610.7664
www.
MyFlukeStore
.com