DC5009

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Tektronix DC5009
135 MHz programmable frequency counter Tektronix DC5009 Produced from 1982 to 1993 Manuals Tektronix DC5009 Instruction Manual with schematics and changes through 1984 Tektronix GPIB Programming Guide (4050 series, TM5000 series) ROM Images U1312 160-1076-02 U1102 160-1091-02 U1201 160-1092-02 (All manuals in PDF format unless noted otherwise)

Manuals – Specifications – Links – Pictures

The Tektronix DC5009 is a 135 MHz programmable frequency counter plug-in for the TM5000 system. It is internally similar to the DC509 which could be converted to a 5009 through an upgrade kit.

The DC5009 uses reciprocal counting with an internal 100 MHz clock phase-locked to the reference oscillator. An R6504 microprocessor (28-pin variant of a 6502 with 8K addressable memory) performs the calculations.

Opt.01 is an OCXO for improved stability.

Key Specifications

Frequency	≤100 μHz to ≥135 MHz (Ch B in Ratio: ≥125 MHz)
Time A-B	≤15 ns to ≥3.05 hours
Single shot resolution	10 ns
Totalize	2^{40</sup counts (1.09 × 10¹²)}
	— Standard time base —
Frequency	10 MHz ± 1 × 10^-7 at cal
Error	≤ ±5 × 10^-6 from 0 °C to +50 °C
Aging	≤ ±1 × 10^-6 per year
	— Opt.01 OCXO time base —
Frequency	10 MHz ± 2 × 10^-8 at cal
Error	≤ ±2 × 10^-7 from 0 °C to +50 °C (after oven warm-up)
Aging	≤ ±1 × 10^-8 per day

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)

Pictures

Components

Some Parts Used in the DC5009

Part	Part Number(s)	Class	Description	Used in
148-0128-00	148-0128-00	Discrete component	miniature magnetic latching relay armature	DC5009 • SG5030
MOS Technology 6502		Monolithic integrated circuit	8-bit microprocessor	1220 • 1225 • 1230 • DC509 • DC5009 • DC5010
TMS9914	156-1444-00 • 156-1444-01	Monolithic integrated circuit	GPIB controller	2221 • 2230 • 2424L • 2440 • 4052A • 4054A • 021-0374-00 • 067-1137-99 • DC5009 • DC5010 • DM5010 • DM5120 • DM5520 • MI5010 • SG5010 • SG5030 • SI5010 • PS5004 • PS5010