Function Generator Meterman FG3C-U
| Manufacturer | Meterman |
| Series | FGxC-U |
| Part Number | FG2C-U |
Features
Detailed Description
- Square, Triangle, Sine waves, TTL and CMOS pulse outputs
- 0.3 Hz to 3 MHz range
- Voltage controlled frequency (VCF) input
- Variable duty-cycle
- Variable DC offset control
- Linear or logarithmic sweep (FG3C-U)
- Amplitude or frequency modulation (FG3C-U)
- Two switchable 20 dB attenuators
- Built-in 150 MHz frequency counter with 6 digit LED display (FG3C-U)

Technical Specifications
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FG3C-U |
FG2C-U |
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Main |
Frequency Range |
0.3 Hz to 3 MHz (7 ranges) |
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Amplitude |
> 10 Vpp (into 50 Ω load) |
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Impedance |
50 Ω ± 10 % |
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Attenuator (knob) |
–20 dB ± 1 dB |
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Attenuator (button) |
–20 dB ± 1 dB |
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DC Offset |
< –5 V to > +5 V (into 50 Ω load) |
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Duty-Cycle Control |
80 %:20 %:80 % to 1 MHz; continuously variable |
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Range Accuracy |
± 5 %, + 1 Hz (@ 3.0 position) |
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Sine Wave |
Distortion |
≤ 1 %, 0.3 Hz to 200 kHz |
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THD |
< 35 dB below fundamental in all ranges |
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(Specification applied from MAX. to 1/10 level) |
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Flatness |
<0.3 dB, 0.3 Hz to 300 kHz |
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Triangle Wave |
Linear |
≥ 98 %, 0.3 Hz to 100 kHz; ≥ 95 %, 100 kHz to 3 MHz |
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Square Wave |
Symmetry |
± 2 %, 0.3 Hz to 100 kHz |
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Rise or Fall Time |
≤ 100 ns at maximum output (into 50 Ω load) |
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CMOS Output |
Level |
4 Vpp,± 1 Vpp to 14.5 Vpp± 0.5 Vpp adjustable |
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Rise or Fall Time |
≤ 120 ns |
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TTL Output |
Level |
≥ 3 Vpp |
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Fan Out |
20 TTL load |
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Rise or Fall Time |
≤ 25 ns |
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VCF |
Input Voltage |
–10 to +10, ± 1 V (100:1) |
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Input Impedance |
10 kΩ,± 10 % |
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GCV |
Output Voltage |
0 to 2 V DC, relative |
— |
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Sweep |
Sweep/Manual |
Switch selector |
— |
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Sweep/Rate |
100:1 ratio maximum, adjustable |
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Sweep/Time |
0.5 sec. to 30 sec. adjustable |
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Sweep/Mode |
Lin./Log. switch selector |
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Amplitude Modulation |
Depth |
0 to 100 % |
— |
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Modulation Frequency |
400 Hz (INT), DC to 1 MHz (EXT) |
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Carrier BW |
100 Hz to 3 MHz (-3 dB) |
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EXT Sensitivity |
≤ 10 Vpp for 100 % modulation |
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Frequency |
Deviation |
0 to ± 5 % |
— |
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Modulation Frequency |
400 Hz (INT), DC to 20 kHz (EXT) |
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EXT Sensitivity |
≤ 10 Vpp for 10 % modulation |
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Frequency |
Internal/External |
Switch Selector |
— |
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Range |
0.3 Hz to 3 Mz Internal |
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Accuracy |
Time base accuracy ±1 count |
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Time Base |
±20 ppm (23ºC ±3 ºC), |
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Resolution |
10 nHz (1 Hz range) |
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| Input Impedance |
1 MΩ /150 pF |
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Sensitivity |
≤ 35 mVrms (5 Hz to 100 MHz) |
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General |
Display |
6 digit; green LED, |
— |
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Power Source |
115 VAC or 230 VAC, ± 15 %; 50/60 Hz |
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Operating Environment |
For indoor use,altitude up to 2000 M, 0 ºC to 40 ºC, 80 %RH |
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Storage Environment |
-10 ºC to 70 ºC@70 %R.H. |
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Dimensions (W × H × D) |
243 mm × 93 mm × 292 mm (9.57"× 3.66"× 11.5") |
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Weight |
2.2 kgs (4.8 lbs) |
2.0 kgs (4.4 lbs) |
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Safety Approvals |
EN61010-1, Cat. II, Pollution degree 2 |
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Other Names:
FG2CU, FG2C U