IO-14 Laboratory Oscilloscope The Heathkit IO-14 Laboratory Oscilloscope is a highly accurate and dependable instrument which has a wide range of applications. This oscilloscope can be used to observe or measure all types of electrical and electronic waveforms within its listed specifications, from relatively simple sine and square waves to complex pulse and composite signals. The basic functions and uses of this instrument are like those found in other high quality oscilloscopes with high sensitivity and wide frequency response. SPECIFICATIONS -------------- VERTICAL CHANNEL Input Impedance . . . . . . . . . . . . . 1 Mohms shunted by 15 uuF Sensitivity, AC or DC . . . . . . . . . . 0.05 volts per centimeter Frequency Response . . . . . . . . . . . DC to 5 MHz: -1 db or less DC to 8 MHz: -3 db or less Rise Time . . . . . . . . . . . . . . . . 0.04 usec Signal Delay . . . . . . . . . . . . . . 0.25 usec; permits viewing of leading edge of waveform Overshoot . . . . . . . . . . . . . . . . 10% or less Attenuator . . . . . . . . . . . . . . . 9-position, switch type, fully compensated; calibrated in a 1—2—5 sequence from 0.05 volts per centimeter, +/- 3% accuracy on each step. Continuously variable (uncalibrated) control between steps Maximum Input Voltage . . . . . . . . . . 600 volts peak-to-peak; 120 volts provided full 6 centimeter pattern in least sensitive position HORIZONTAL CHANNEL Time Base . . . . . . . . . . . . . . . . Triggered with 18 calibrated rates in a 1—2—5 sequence from 0.05 volts per centimeter to 1 microsecond per centimeter, +/- 3 %. Continuously variable rates (uncalibrated) within the same range. Sweep Magnifier . . . . . . . . . . . . . X5; fastest sweep rate becomes 0.2 microsecond per centimeter. Overall time base accuracy of +/- 5% with magnifier on. Triggering Frequency Response . . . . . . DC to approximately 2.5 MHz. Triggering Capability . . . . . . . . . . Internal, External, or Line triggering signals may be switch selected. Selection of + or – slope, (with Trigger Level control). Selection of AC or DC coupling. Auto position for normal signals without use of Trigger Level control. Triggering Requirements . . . . . . . . . Internal: 1/2 centimeter to 6 centimeter display External: 0.5 volt to 120 volts peak-to-peak Horizontal Input . . . . . . . . . . . . 1 volt per centimeter, uncalibrated. Continuous gain control (Ext Level). Bandwidth DC to 200 kHz, -3dB or less. GENERAL Input Connections . . . . . . . . . . . . Vertical input: Coaxial connector with binding post as an added ground connection; 3/4 inch spacing. Horizontal and Trigger Source: Binding posts with 3/4 inch spacing. Z-axis and direct vertical plate connections are also provided. Power Supplies . . . . . . . . . . . . . All critical DC voltages are electronically series regulated to compensate for variations in line voltage. CRT Type . . . . . . . . . . . . . . . . 5ADP31 or 5ADP2. Interchangeable with any flat face 5AD or 5AB series tube for different phosphor characteristics. CRT Accelerating Potential. . . . . . . . Approximately 4250 volts DC. Retrace suppression . . . . . . . . . . . DC coupled cathode ray tube unblinking, for complete retrace suppression. Graticule . . . . . . . . . . . . . . . . 6 cm x 10 cm grid, edge lighted; 1 cm major divisions and 2 mm minor divisions. Front Panel Features . . . . . . . . . . Panel lamps to indicate Magnifier ON and uncalibrated operation. Color-coded panel markings and knobs, grouped for ease of operation. Power Requirements . . . . . . . . . . . 110 -130 or 210 – 250 VAC, 50/60 Hz, 285 Watts. 3-wire power cord to provide grounding of the chassis. Ventilation . . . . . . . . . . . . . . . Forced air cooling for continuous duty operation Overall Dimensions . . . . . . . . . . . 15” high, 10-1/2” wide, 22” long Net Weight . . . . . . . . . . . . . . . 40 lbs