DC509

The Tektronix DC509 is a 135 MHz programmable frequency counter plug-in for the TM500 system.

Manuals – Specifications – Links – Pictures

It is internally similar to the DC5009 to which it could be converted through an upgrade kit.

Key Specifications

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Links

• TekScope Vol. 13 No. 1, Mar 1981 New Products

Rear interface

• 14A − Ext Clock in (1, 5 or 10 MHz, ≥3 V into 1 kΩ)
• 14B − Prescale; when low, counter divides readout by 16
• 15B − 10 MHz clock out (GND return on 15A)
• 16A − CH A input (50 Ω, ≤10 V_RMS) (GND return on 17A)
• 17B − CH B input (50 Ω, ≤10 V_RMS) (GND return on 16B)
• 22A − Trig Level CH A
• 22B − Trig Level CH B
• 23A − Shaped Out A (GND return on 23B)
• 24B − Shaped Out B (GND return on 24A)
• 26A − Reset in (active low)
• 26B − Remote Start
• 27A − Arming in (TTL, active high) (GND return in 28A)
• 28B − Gate Out (TTL, active high)

Firmware (uploaded BIN files)

• 160-1076-02.bin U1312 DC5009
• 160-1091-02.bin U1102 DC5009
• 160-1092-02.bin U1201 DC5009

Photos

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