Address
122 Spruce Ave, Richmond Hill, Ontario, Canada L4C6W1
Email Address
info@biophysica.com
info@biophysica.ca
Phone Numbers
905-707-0500
647-965-6946
1-800-488-2032
Address
122 Spruce Ave, Richmond Hill, Ontario, Canada L4C6W1
Email Address
info@biophysica.com
info@biophysica.ca
Phone Numbers
905-707-0500
647-965-6946
1-800-488-2032

| Features:0.3Hz ~ 3MHz Frequency RangeSine, Square, Triangle, Ramp, TTL and CMOS Output WaveformsExternal Voltage Controlled Frequency (VCF) FunctionDuty Cycle Control with Signal Inversion CapabilityVariable DC Offset ControlTwo Step (-20dB x 2) and Variable AttenuatorBuilt-in 6 Digit Counter with INT/EXT Function up to 150MHzINT/EXT AM/FM ModulationLIN/LOG Sweep ModeGate Controlled Voltage (GCV) Output for Synchronisation | BF-19: Variable Frequency Generator![]() |
| Main Output | Frequency Range: | 0.3Hz ~ 3MHz in 7 ranges |
| Amplitude: | > 10Vpp (into 50W load) | |
| Impedance: | 50W ±10% | |
| Attenuator: | -20dB ±1dB x 2 | |
| DC Offset: | <-5V ~ >+5V (into 50W load) | |
| Duty Control: | 80% : 20% : 80% to 1MHz continually variable | |
| Display: | 6 digit LED display | |
| Sine Wave | Distortion: | £1%, 0.3Hz ~ 200kHz THD £ -35dB fundamental in all ranges (specification applied from MAX to 1/10 level) |
| Flatness: | <0.3dB, 0.3Hz ~ 300kHz <0.5dB, 300kHz ~ 3MHz | |
| Triangle Wave | Linearity: | >98% 0.3Hz to 100kHz ³95% 100kHz to 3MHz |
| Square Wave | Symmetry: | ±2% 0.3Hz ~ 100kHz |
| Rise/Fall Time: | £100ns at maximum output (into 50W load) | |
| CMOS Output | Level: | 4Vpp ±1Vpp ~ 14.5Vpp ±0.5Vpp adjustable |
| Rise/Fall Time: | £120ns | |
| TTL Output | Level: | ³3Vpp |
| Fan Out: | 20 TTL Loads | |
| Rise/Fall Time: | £25ns | |
| VCF | Input Voltage: | 0V ~ 10V ±1V (100:1) |
| Input Impedance: | 10kW ±10% | |
| GCV | Output Voltage: | To set the voltage between 0V ~ 2V as per different frequency |
| Sweep Operation | Sweep/Manual: | Switch selectable |
| Sweep Rate: | 100:1 ratio maximum adjustable | |
| Sweep Time: | 0.5s ~ 30s adjustable | |
| Sweep Mode: | Lin/Log switch selectable | |
| Amplitude Modulation | Depth: | 0 ~ 100% |
| MOD Frequency: | 400Hz (INT), DC ~ 1MHz (EXT) | |
| Carrier Bandwidth: | 100Hz ~ 3MHz (-3dB) | |
| EXT Sensitivity: | £10Vpp for 100% modulation | |
| Frequency Modulation | Deviation: | 0 ~ ±5% |
| MOD Frequency: | 400Hz (INT), DC ~ 20kHz (EXT) | |
| EXT Sensitivity: | £10Vpp for 10% modulation | |
| Frequency Counter | INT/EXT: | Switch selectable |
| Range: | 0.3Hz to 3MHz (EXT 5Hz ~ 150MHz) | |
| Accuracy: | Time base accuracy ±1 count | |
| Time Base: | ±20ppm (23°C ±5°C) after 30 minutes warm up | |
| Resolution: | Maximum resolution is 100nHz for 1Hz and 1Hz for 100MHz | |
| Input Impedance: | 1MW // 150pF | |
| Sensitivity: | £35mVrms (5Hz ~ 100MHz) £45mVrms (100MHz ~ 150MHz) | |
| Other Details | Power Source: | AC 115V/230V ±15%, 50/60Hz |
| Accessories: | Power cord x 1, Instruction manual x 1, Test Lead (type GTL-101) x 2 | |
| Dimensions: | 251mm (w) x 91mm (h) x 291mm (d) | |
| Weight: | 2.2kg approx |
| Product ID: | BF-19 |
| Description: | BF-19: Variable Frequency Generator |
| Notes: | This device has not been approved for use on humans in U.S.A or Canada and is therfore to be used only for experimental, hobby or sacramental purposes. |