FG504

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Tektronix FG504
40 MHz function generator
Tektronix FG504

Produced from 1976 to 1993

Manuals
(All manuals in PDF format unless noted otherwise)
Manuals – Specifications – Links – Pictures

The Tektronix FG504 is a 40 MHz function generator plug-in for the TM500 system.

Key Specifications

Frequency range Sine, Triangle and Square - 0.001 Hz to 40 MHz; Ramps, Pulses or asymmetric waveforms - 0.001 Hz to 4 MHz
Duty cycle 7% to 93%
Output amplitude 30 Vp-p (OC), 15 Vp-p (50 Ω)
Output attenuator 0 to 50 dB in 10 dB steps
DC offset ±7.5 V (OC), ±3.75 V (50 Ω)
Distortion ≤ 0.5% from 20 Hz to 40 kHz
Rise/fall time 6 ns (fixed), 10 ns to 100 ms in 7 steps + variable control
Sweep 1000:1 (500:1 on 106 mult.)
AM input 10 Vp-p for 100%

Links

Documents Referencing FG504

Document Class Title Authors Year Links
070-2088-01.pdf Book TM500 Series Rear Interface Data Book 1976 AF501 • AM501 • AM502 • AM511 • DC501 • DC502 • DC503 • DC504 • DC505 • DC505A • DD501 • DM501 • DM502 • FG501 • FG502 • FG503 • FG504 • LA501 • MR501 • PG501 • PG502 • PG505 • PG506 • PG508 • PS501 • PS502 • PS503 • PS503A • PS505 • RG501 • SC501 • SC502 • SG502 • SG503 • SG504 • SW503 • TG501 • TR501 • TR502
Tekscope 1976 V8 N1.pdf Article New Products 1976 FG504 • SG504 • Lab Cart Model 3 • SW503 • C-5A
Tekscope 1976 V8 N2.pdf Article The FG504 - A New Standard in Function Generators Ira Pollock 1976 FG504
Tekscope 1977 V9 N2.pdf Article Measuring Harmonic Distortion with a Spectrum Analyzer Ken Matheson 1977 FG504 • 7L5 • 5L4N
Tekscope 1978 V10 N2.pdf Article Pulse Generator or Function Generator - Making an Intelligent Choice Bill Rasnake 1978 FG504 • PG508
070-2088-04.pdf Book TM500 Series Rear Interface Data Book 1985 AA501 • AF501 • AM501 • AM502 • AM503 • AM511 • DC501 • DC502 • DC503 • DC503A • DC504 • DC505 • DC505A • DC508 • DC508A • DC509 • DC510 • DC5009 • DC5010 • DD501 • DL502 • DM501 • DM501A • DM502 • DM502A • DM505 • DM5010 • FG501 • FG501A • FG502 • FG503 • FG504 • FG507 • FG5010 • LA501 • LA501W • WR501 • MR501 • PG501 • PG502 • PG505 • PG506 • PG507 • PG508 • PS501 • PS502 • PS503 • PS503A • PS505 • PS5010 • RG501 • SC501 • SC502 • SC503 • SC504 • SG502 • SG503 • SG504 • SG505 • SW503 • TG501 • TR501 • TR502 • MI5010 • MX5010 • SI5010

Pictures

  • FG504 front panel

    FG504 front panel

  • FG504 in mainframe

    FG504 in mainframe

  • FG504 without covers

    FG504 without covers

  • Main board - output amplifier, attenuator, rise/fall time switch

    Main board - output amplifier, attenuator, rise/fall time switch

  • Detail of output amplifier. Trimmer capacitors for high frequency compensation.

    Detail of output amplifier. Trimmer capacitors for high frequency compensation.

  • Detail of 50 Ω attenuator. Divider networks (under the ceramic chips) are switched in or bypassed by cam switches. The 0.3 amp output fuse can also be seen.

    Detail of 50 Ω attenuator. Divider networks (under the ceramic chips) are switched in or bypassed by cam switches. The 0.3 amp output fuse can also be seen.

  • Ceramic 10 dB divider lifted to show resistor network. Laser trimming marks can be seen.

    Ceramic 10 dB divider lifted to show resistor network. Laser trimming marks can be seen.

  • Function generator board that synthesizes the triangle and sine out of a square wave

    Function generator board that synthesizes the triangle and sine out of a square wave

  • Timer board

    Timer board

  • Circuit detail

    Circuit detail

  • FG504 left internal

    FG504 left internal

  • FG504 left internal upside down

    FG504 left internal upside down

  • FG504 right internal upside down

    FG504 right internal upside down

  • FG504 right internal

    FG504 right internal

  • FG504 and PS503A in TM504

    FG504 and PS503A in TM504

  • FG504 in TM502A

    FG504 in TM502A

  • FG504 in TM502A

    FG504 in TM502A

  • FG504 in TM502A

    FG504 in TM502A

  • Sine out

    Sine out

  • Square out

    Square out

  • Triangle out

    Triangle out

  • A1 Main Board Test Point Locations

    A1 Main Board Test Point Locations

  • A2 Function Board Test Point Locations

    A2 Function Board Test Point Locations

  • FG504 A3 Loop Board Test Point Locations

    FG504 A3 Loop Board Test Point Locations

Components

Some Parts Used in the FG504

Part Part Number(s) Class Description Used in
155-0032-00 155-0032-00 • 155-0032-01 Monolithic integrated circuit variable-gain transconductance amplifier (voltage in, current out) 335 • 464 • 465 • 465B • 466 • 475 • 475A • 475M • 634 • 650 • 651 • 652 • 653 • 655 • 656 • 670 • 671 • 7A12 • 475 • FG504 • 1440 • 1460 • 1480 • 1481 • 1482 • 1485
155-0217-00 155-0216-00 • 155-0217-00 Monolithic integrated circuit variable-gain transconductance amplifier 335 • 475 • 7D20 • FG504
CA3046 156-0048-00 Monolithic integrated circuit transistor array 4601 • 7104 • 7403N • 7503 • 7B53A • 7D12 • DM502 • FG504 • S-52 • Telequipment D34 • 7603 • 7613 • 7623 • 7633 • FG507 • Keithley 227
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