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Features: DC to 20MHz bandwidth, 2 channels, Dual trace 6" rectangular CRT with internal graticule Variable hold-off for observation of wave forms with complex periods Vertical deflection magnification X 5 Sensitivity 1mV/div ALT triggering function in VERT mode CH2 polarity inversion switch High sensitivity X–Y mode Sweep magnification (X 5) TV sync. Separator circuit for stable TV signal observation 250V maximum input voltage Built-in 1MHz function generator with TTL output

Model	Description	List Price	Sale Price
OS-5020G	20MHz, 2ch, Dual trace, Built-in 1MHz function generator, without Test Probe	$595.00	$499.80

Specifications
CRT	Configuration and useful screen		6-inch rectangular screen with internal graticule: 8X10 Div (1 div=1Cm) marking for measurement of rise time 2mm subdivisions along the central axis.
	Acceleration potential		+1.9KV approx. (ref. cathode)
	Phosphor		P31 (standard)
	Focusing		Possible
	Trace rotation		provided
	Intensity control		provided
Vertical Deflection	Band Width (-3dB)	DC coupled	DC to 20MHz normal(X1) DC to 7MHz magnified(X5)
		AC coupled	10Hz to 20MHz normal (X1) 10Hz to 7MHz magnified(X5)
	Modes		CH1, CH2, ADD, DUAL (CHOP; Time/div switch -0.2s to 5mS. ALT: Time/div switch -2mS to 0.2µS)
	Deflection Factor		5mV/div to 5V/div in 10 calibrated steps of a 1-2-5 sequence continuously variable between steps at least 1:2.5 (x5 MAG : 1mV/div to 1V/div in 10 calibrated steps.)
	Accuracy		normal; ±3%, magnified: ±5%
	Input impedance		approx. 1Mohm in parallel with 25pF
	Maximum input voltage		Direct; 250V (DC+peak AC) with probe: refer to probe specification
	Input coupling		DC - GND - AC
	Rise time		17.5nS or less (50nS or less: at x5 MAG)
	CH1 out		25mV/div into 50W; DC to 10MHz (-3dB)
	(Polarity) inversion		CH2 only
Horizontal Deflection	Display modes		X1, X10, X-Y
	Time base		0.2µs/div to 0.2S/div in 19 calibrated steps, 1-2-5 sequence. uncalibrated continuous control between steps at least 1:2:5
	Hold-off time		variable with the holdoff control
	Sweep magnification		10 times (maximum sweep rate; 20nS/div) Note: 50nS/div. 20nS/div of TIME BASE are uncalibrated.
	Accuracy		±3%, ±5% (0°C to 50°C), additional error for magnifier ±2%
Trigger System	Modes		auto, norm, TV-V, TV-H
	Source		CH1, CH2, LINE, EXT
	Coupling		AC
	Slope		+ or -
	Sensitivity and Frequency range AUTO, NORM				20Hz-2MHz			2Hz-2MHz
			INT		0.5 div			1.5 div
			EXT		0.2 Vp-p			0.8Vp-p
	TV-V, TV-H		at least 1div or 1.0Vp-p
	External trigger input impedance		approx. 1MW with25pF
	Max. input voltage		250V (DC + peak AC)
X-Y Operation	X-axis		(same as CH1 except for the following) Deflection factor; same as that of CH1 / Accuracy; ±5% / Frequency response; DC to 500KHz (-3dB)
	Y-axis		same as CH2
	X-Y phase difference		3° or less (at DC to 50KHz)
Calibrator	Probe Adjustment		approx. 1KHz frequency, 0.5V (±3%) square wave, duty rate: 50%
Function Generator	Frequency range		0.1Hz to 1MHz (7 range)
	Output waveform		sine, triangle, square, TTl pulse
	Frequency stability		±5% (1/10/100/1K/10K/100K range) ±1% (1M range) 15 minutes later after Power on
	Frequency variable		10:1 Min
	Output impedance		50W ±10% (TTL output: FAN-OUT 20 ea.)
	Output voltage		14Vp-p Min (open circuit)-continuous variable DC OFFSET provided (open circuit): ±6V Min, TTL LEVEL (Square wave only): 3Vp-p Min.
	Sinewave distortion		1% Max.(10Hz-100kHz)
	Duty ratio		50±3% Max. (at 1kHz: max. output level)
	Square wave rise & fall time		50Woutput : 120nS Max. output LEVEL into 50W TTL output: 25nS Max.
Power Supply	Voltage Range		voltage range	100(90-110V)/AC		120(108-132V)/AC	220(198-242V)/AC		240(216-250V)/AC
			fuse	2A 250V		2A 250V	1A 250V		1A 250V
	Frequency		50 Hz / 60 Hz
	Power consumption		Approx. 45w
Physical Characteristics	Weight		7.4Kg
	Size		320mm (W) X 140mm (H) x 430mm (L)