7834

Manuals – Specifications – Links – Pictures

The Tektronix 7834 is a 400 MHz multi-mode CRT storage scope that takes two vertical and two horizontal 7000-series plug-ins.

It was the fastest analog-storage scope in the 7000 series, both in terms of bandwidth and writing speed, from its introduction in 1977 until it was superseded by the 500 MHz 7934 in 1987.

Key Specifications

Bandwidth	400 MHz with 7A19, 7A29, 300 MHz with 7A24
Rise time	0.9 ns (with 7A19, 7A29)
Fastest cal. sweep	1 ns/Div
Storage modes	bistable, variable persistence, fast bistable, fast variable persistence
Writing speed	5500 Div/μs in fast variable persistence mode with reduced scan, 776 Div/μs in fast bistable mode with reduced scan
Storage time	>30 s in variable persistence modes, >30 minutes in bistable modes (typically hours)
CRT	8×10 Div @ 0.9 cm/Div, 154-0745-00 with P31 phosphor, or 154-0780-00
Acceleration voltage	10 kV (12 kV in reduced scan modes)
Calibrator	40 mV/400 mV/4 V into >100 kΩ; 4 mV/40 mV/400 mV into 50 Ω; 1 kHz
Power	90-132 V or 180-250 V, 215 W; Fan, thermal cut-off switch
Weight	17 kg (37.5 lb)

Internals

The 7834 has a switch-mode power supply and a fan (mounted sideways).

Links

• J.Rogers and K.Hawken, A Big Step Forward for Direct-View Storage. Tekscope Vol. 9 No. 1, 1977
• Tek 7834 @ amplifier.cd
• Tek 7834 @ barrytech.com

Prices

	Year	1977	1980	1984
Mainframe only	Catalog price	$6,900	$8,495	$12,415
	2015 value	$26,725	$24,200	$28,050
Mainframe with 2 × 7A19, 7B85, 7B80	Catalog price	$10,540	$13,645	$20,500
	2015 value	$40,825	$38,870	$46,310

Pictures

• 
• 

  Storage speed graph