SA501

The Tektronix SA501 is a signature analyzer plug-in for the TM500 system.

Tektronix SA501
signature analyzer Tektronix SA501 Produced from (?) to (?) Manuals Tektronix 067-1090-00 Manual (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

It is also known as the 067-1090-00.

It requires a P6405 probe for the data input, and a P6458 4-channel probe for control inputs (clock, start, stop, qualifier). The P6458 can be substituted by the similar, more common P6451 8+1 channel probe without increase in functionality.

Key Specifications

Data Input	1 MΩ to ground or 50 kΩ to 1.4 V, switchable; 14 pF; max. 40 V DC+peak AC
Threshold	fixed TTL, internal preset, or variable ±12 V
Data rate	40 MHz max.; 15 ns setup time, 0 ns hold time
CRC polynomial	x¹⁶+x¹²+x⁹+x⁷+1
Display	4-digit modified hexadecimal (0-9,A,C,F,H,P,U)

Links

Documents Referencing SA501

(no results)

Patents that may apply to SA501

Page	Title	Inventors	Filing date	Grant date	Links
Patent US 3976864A	Apparatus and method for testing digital circuits	Gary B. Gordon • George A. Haag • Jan R. Hofland • Daniel I. Kolody	1974-09-03	1976-08-24	Signature analysis • 308 • SA501

Internals

The SA501 is implemented in standard ECL and TTL logic without a microprocessor. A linear-feedback shift register accumulates the CRC. The display is multiplexed, with an IM5610 32×8 PROM used as a 7-segment decoder.

The SA501 contains a switch-mode converter fed off the +33.5 V supply to create the internal +5 V rail.

The manual includes signatures for troubleshooting a SA501 with another signature analyzer.

Pictures

067-1090-00

Note that the P6407 probe shown connected to the SA501 here is not compatible and can be damaged when the SA501 is powered.

SA 501

Components

Some Parts Used in the SA501

Part	Part Number(s)	Class	Description	Used in
IM5610		Monolithic integrated circuit	32×8 (256 bit) PROM	7912AD • MicroLab I • SA501