function generators and decades boxes
6Pages

COMPLETE : Reciprocal frequency counter 50 MHz. - Internal linear or logarithmic sweep, and external VCF or FM modulation. AM modulation. - CMos function. - Independent offset of the attenuator. - Two fixed -20 dB attenuators and a -40 dB variable (Total = -80 dB) PRECISE : High waveform quality. - Continuously variable duty cycle on all ranges. PROTECTED : 50 Q and TTL outputs protected against up to ±60 V reverse power surges. EASY : All parameters display. PROTECTED RS232 + (USB OR LAN)* LabVIEW™ 0,01 Hz to 5 MHz CMos RSETHER *OPTION : Output impedance • Output level • Fixed attenuation • Variable attenuation • Resolution • Offset voltage CMos function Other specifications Functions • Triangle, sine, square, ramp, implus, offset, CMos, internal linear or logarithmic sweep, external VCF or FM modulation, AM modulation. • Frequency range : 0,01 Hz to 5 MHz in 8 ranges. • Frequency adjustment : Thumbwheel switch with 3 steps (big, medium, fine). Resolution : < 0.04% of the range. Waveform characteristics • Sine-wave distortion : < 1% and harmonics less than < -30 dB. • Triangle linearity error : 1% max (up to 100 KHz). • Square-wave signal rise or fall times : 30 ns max (10 to 90%). Duty cycle • Calibrated : to 50% ± 1%. • Variable : continuously from 20 to 80 % on all ranges and for all wave forms. Resolution : 1% step Frequency sweep • Internal : Linear or logarithmic, sweep time adjustable from 10 ms to 5 s and depth adjustable for 1 to 100. Start, arrival and lasting frequency setting. Ramp output on BNC socket, 1 volt into 35 kQ. • External : Input on BNC socket, input impedance : 47 kQ ± 10%, Protection : ± 60 Volts max. Bandwidth : DC to 20 kHz. 500:1 ratio : for a variation from 0 to -10 V (± 1V). 1:500 ratio : for a variation from 0 to +10 V (± 1V). Amplitude modulation • Internal : 440 Hz frequency. Depth : 4 steps at 25, 50, 75 or 100% • External : Input on BNC socket. Depth : 1 Vrms = 100% for 10 Vcc. Frequency counter • Frequency range : 0 to 50 MHz in 8 automatic ranges. Reciprocal reading for very low frequencies. • Display : 14mm 5 digits red LEDS. • External input : Impedance : 1 MQ/20 pF Typical sensitivity : 10 mV rms • Direct reading of the frequency in internal position. • Accuracy to 100kHz : ± 0,025% ±1 digit. • Memorize the last configuration used and its parameters. Main output (Protected against short circuits and up to ±60 V reverse power surges) 50 Q, accuracy : ± 5%. 20 V peak to peak (open circuit), 10 V peak to peak into 50 Q. 0, - 20 dB or -40 dB switchable. 0 dB to - 40 dB + DC function 100mV at 0 dB, 10 mV at - 20 dB and 1 mV at -40 dB Independent of fixed attenuator regulating ±10 V (open circuit), ±5 V into 50 Q resolution : 100 mV Output signal shifting on positive range. Regulating from 0 to ±10 V in open circuit. TTL output (Protected against short circuit and up to ±60 V reverse power surges) • Synchronous square-wave signal 0 to 5 Volts. Fan-out : > 10. • Rise and fall times : < 20 ns. • Safety : Class II, Toroidal Safety Extra Low Voltage (SELV) Transformer. Complies with EN 61010-1, overvoltage category II, pollution degree 2. • EMC : Complies with EN 61326-1. • Protection level : IP 31. • Interface : RS232 Link 9-way male SUB-D plug. LabVIEW™'s drivers download on www.elc.fr • * USB option : USB / RS232 adapter kit + null modem cable. • * ETHERNET option : RS232 / RS485 / RS422 adapter kit to ETHERNET. • Input voltage : 230 V ±10%, 50 / 60 Hz ; protected by 0.2 A time-delay fuse. • Mains input : socket with 2 poles irremovable. • Power consumption : 30 VA max. • Dielectric strength : 3000 VAC from input to output. • Presentation : screen-printed polycarbonate front panel, metal case, with feet.

GF 467AF COMPLETE : Reciprocal frequency counter 50 MHz. - Internal linear or logarithmic sweep, and external VCF or FM modulation. AM modulation. - CMos function. - Independent offset of the attenuator. - Two fixed -20 dB attenuators and a -40 dB variable (Total = -80 dB) PRECISE : High waveform quality. - Continuously variable duty cycle on all ranges. PROTECTED : 50 Q and TTL outputs protected against ±60 V reverse power surges. EASY : All parameters display. PROTECTED RS232 + (USB OR LAN)2 LabVIEW™ 0,01 HZ TO 5 MHZ CMOS AMPLI 15 W • Display • External input • Typical sensitivity 1...

FUNCTION GENERATOR GF 266 A K PRECISE : Very high frequency accuracy (0.005%) with display over 4 or10 digits. - Very high sine quality (distorsion <0,1%). - duty cycle: adjustable from 10 to 90%. COMPLETE : Internal or external AM, FM, FSK et PSK modulation schemes. - Internal linear or logarithmic sweep - 0,8 Hz to 100 Mhz external frequency meter. - Offset independent of attenuator PROTECTED : 50 Q and TTL output protected up to ±60 V. EASY: Storage for 14 setups and parameters. Functions • Sine : Frequency range 11 pHz to 12 MHz. distortion at 2 Volts <0,1% up to 20 kHz and harmonics...

DC 05 ^KROBUST : Switches witch metal frame. - Metal case, epoxy finish. PRECISE : Good long-term stability. - Low temperature coefficient and 1% accuracy. INSULATED : Maximum voltage: 300 VDC or 230 VAC 50 Hz until 1000 Hz. EASY : 19" standard rack size tilted front panel. ROBUST CAPACITANCES from 100 pF to 11,111 pF Specifications • The DC05 box uses polystyrene and polypropylene capacitors offering a high accuracy, a low temperature coefficient (125 ppm/°c) and a very high insulation resistance. • Output on two 4 mm safety sockets. • Screen outputs (front panel and case) on safety earth...

DL 07 ^ ^ ROBUST : Switches with gilt contacts. - Metal case, epoxy finish. PRECISE : Good long-term stability. - Q factor between 55 and 100, depending on decade. EASY : 19" standard rack size tilted front panel. - Intermediate tap at each decade. ROBUST INDUCTANCE from 1 pH to 11,111 110 H • Each decade consists of inductors wound around a ferrite pot core, which gives a Q factor between 55 and 100. • Like all inductors of this type, the applied voltage mostly depends on the operating frequency. The voltage must be limited to avoid core saturation and overheating. • Professional quality...