DC509
The Tektronix DC509 is a 135 MHz programmable frequency counter plug-in for the TM500 system.
It is internally similar to the DC5009 to which it could be converted through an upgrade kit.
Key Specifications
- please add
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 VRMS) (GND return on 17A)
- 17B − CH B input (50 Ω, ≤10 VRMS) (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