--- title: "765 | 800 MHz 70pS Rise Time Pulse & Delay Generator" date: 2024-08-27T07:08:16Z modified: 2026-04-15T17:03:04Z permalink: "https://www.berkeleynucleonics.com/model-765-800-mhz-70ps-rise-time-pulse-generator/" type: page status: publish excerpt: "" wpid: 17448 --- [](https://www.berkeleynucleonics.com/wp-content/uploads/765_front_dimension_v2-1.png) ![Fast Rise Time Pulse Generator, 70ps Rise/Fall Times 765](https://www.berkeleynucleonics.com/wp-content/uploads/765_front_dimension_v2-1.png) [](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_front_dimension_v2-1.png) ![Fast Rise Time Pulse Generator, 70ps Rise/Fall Times 765](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_front_dimension_v2-1.png) [](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_front_tilt_v2-1.png) ![Fast Rise Time Pulse Generator, 70ps Rise/Fall Times 765](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_front_tilt_v2-1.png) [](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_back_v2-1.png) ![Fast Rise Time Pulse Generator, 70ps Rise/Fall Times 765](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_back_v2-1.png) [](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_back_tilt_v2-1.png) ![Fast Rise Time Pulse Generator, 70ps Rise/Fall Times 765](https://www.berkeleynucleonics.com/wp-content/uploads/765hv_back_tilt_v2-1.png) [](https://www.berkeleynucleonics.com/wp-content/uploads/pulsert-2.jpg) ![Fast Rise Time Pulse Generator, 70ps Rise/Fall Times 765](https://www.berkeleynucleonics.com/wp-content/uploads/pulsert-2.jpg) [](https://www.berkeleynucleonics.com/wp-content/uploads/pulseft-2.jpg) ![Fast Rise Time Pulse Generator, 70ps Rise/Fall Times 765](https://www.berkeleynucleonics.com/wp-content/uploads/pulseft-2.jpg) [ ![powered by bioz](https://cdn.bioz.com/assets/favicon.png) Powered by Bioz ](https://www.bioz.com/) - [ Quote ](/get-quote/?interested_product=Model%20765%20|%20800%20MHz%2070ps) - [ Contact ](/contact-us/) - [ Datasheet ](#bnc-tab-technical-resources) - [ Price List ](/access-pricelist/) - [ RF Selection Guide ](/ProductSelection/) - [ LabVIEW ](/bnc-labview-driver-list/) #### Model 765 | 800 MHz 70ps Fast Rise Time Pulse Generator The Model 765 delivers ultra-high-speed, precision pulse generation with exceptional rise/fall times, ideal for demanding applications requiring minimal distortion and picosecond-level control. - Up to 800 MHz pulse frequency - Standard rise/fall time: 70 ps - HV (high-voltage) option: 400 ps ultra-fast rise/fall times - Programmable pulse amplitude and baseline offset - Minimum pulse width: 300 ps - Delay & pulse width resolution: 10 ps - Jitter: <25 ps RMS - 4 independent output channels with fully independent timing - Advanced sequences: Double pulse, quad pulse, and more - Gesture-ready touchscreen GUI + push-buttons & rotary encoder for fast setup - Improved analog front end: Minimal overshoot and ringing Perfect for high-speed testing, photonics, semiconductor characterization, radar simulation, and precision timing research. Overview Publications Specifications Technical Resources Downloadable Resources Media Price Lists FAQ ##### Applications - Radar and Sonar Systems - Semiconductors and Lasers - High Precision Timing - Big Physics (Photomultiplier and Colliders) - High-Speed Detectors and Comparators - Strips Silicon Emulation - Mass Spectroscopy ##### Features - Fast Rise and Fall Time < 70 ps (20%-80%) - 300 ps to > 7 secs Pulse Width - 800 MHz Rep Rate per channel with 4 ps RMS Jitter - 2 or 4 Independent Channels - 10 ps Resolution for Width and Delay - Adjustable Pulse Amplitude from 10 mVpp to 5 Vpp - ± 2.5 V Adjustable Baseline offset | **765** | [**765-HV**](https://www.berkeleynucleonics.com/765-hv-400-mhz-400-ps-rise-time-high-voltage-pulse-delay-generator/) | | | --- | --- | --- | | **Channels** | 2 or 4 Independent Channels | 1 or 2 Independent Channels | | **Pulse Period** | **Range:** 5ns to 8 sec. **Resolution:** 10 ps **Jitter:** 4 ps | **Range:** 5 ns to 8 sec. **Resolution:** 10 ps **Jitter:** 15 ps | | **Max Pulse Frequency** | 800 MHz (in Quad Mode) | 400 MHz (Double, Triple, and Quad Mode) | | **Accuracy** | ±2 ppm | ± 2 ppm | | **Pulse Mode** | Single, Double, Triple, Quadruple Pulse External Width | Single, Double, Triple, Quadruple Pulse External Width | | **Pulse Width** | **Range:** 300 ps to 8 sec. **Resolution:** 10 ps **Accuracy:** ± 0.1 % + 30 ps **Jitter:** < 10ps | **Range:** 1 ns to 8 sec. **Resolution:** 10 ps **Accuracy:** ± (1 % + 100 ps)2 **Jitter:** < 10 ps | | **Pulse Delay** | **Range:** 0 ps to 8 secs **Resolution:** 10 ps **Accuracy:** ± 0.1% + 100ps | **Range:** 0 ps to 8 sec. **Resolution:** 10 ps **Accuracy:** ± 0.1% + 100ps | | **Pulse Amplitude** | **Range pk-pk:** 10 mVpp to 5 Vpp **Resolution:** 4 mV (amplitude from 250 mVpp to 5Vpp) **Resolution:** 1 mV (amplitude from 10 mVpp to 250mVpp) | **Range pk-pk:** 100 mVpp to ±50 Vpp **Resolution:** 10 mV | | **Baseline Offset** | **Range:** ± 2.5V adjustable **Resolution:** 2 mV | **Range:** -25V, -12,5V, 0V, +12,5V, +25 V (software selectable) **Resolution:** 12.5V | | **Rise and Fall Times** | **Rise/Fall Time (20% to 80%):** <70 ps **Rise/Fall Time (10% to 90%):** < 95 ps (1Vpp amplitude), < 105 ps (5Vpp amplitude) | **Rise/Fall Time (20% to 80%, Offset=0V):** < 380 ps (up to 25Vpp amplitude) --- **Rise Time (20% to 80%, Offset=0V):** < 400 ps **Fall Time (20% to 80%, Offset=0V):** < 490 ps --- **Rise/Fall Time (10% to 90%, Offset=0V):** < 560 ps (up to 25Vpp amplitude) --- **Rise Time (10% to 90%, Offset=0V):** < 600 ps **Fall Time (10% to 90%, Offset=0V):** < 800 ps | | **Overshoot** | < 5% | < 8 % (up to 25Vpp amplitude) < 5 % | | **Channel to Channel Jitter** | < 10 ps | < 15 ps | | **Output Impedance** | 50 Ω | | | **Trigger Mode** | Single, Continuous, Burst, Gated | | | **Trigger Input Impedance** | 50 Ω or 1kΩ User Selectable | | | **Trigger Input Range** | ± 3.5 V (50 Ω Input Impedance) ± 10 V (1KΩ Input Impedance) < 50mVpp Minimum Detectable Amplitude | | | **Trigger Threshold** | ± 8V 10 mV Resolution ± 100 mV Accuracy | | | **Maximum Trigger Frequency** | 40 MHz | | | **Minimum Trigger Pulse Width** | 1ns | | | **Trigger Jitter** | < 30ps (Trig IN to Trig Out) with Frequency ≤ 15 MHz | | | **Reference Clock Input** | 10MHz to 100MHz 50 Ω Input Impedance (AC Coupled) -5 dBm to 4 dBm Sine or Square wave ( RT <1 ns and Duty Cycle between 40% to 60%) | | | **Reference Clock Output** | 10MHz or Reference Clock Input Frequency 50 Ω Output Impedance (DC Coupled) Adjustable Amplitude Square wave: 0V to 1.25 V into 50 Ω \[ 0V to 2.5 V into Hi-Z \] | | | **Power Input** | 100 – 240 VAC ± 10%, 47 – 63 Hz, | | | **Power Consumption** | 120 Watts | 300 Watts | | **Environment EMC and Safety** | **Operating**: 41°F to +104 °F \[ 5 °C to +40 °C \] 5% to 80 % RH Non-condensing 9,842 feet \[ 3,000 meters\] **Storage**: -4 °F to 140 °F \[-20 °C to +60 °C \] 5% to 95 % RH Non-condensing 39,370 feet \[ 12,000 meter\] EN61010-1 (Safety) EN 61326-1:2013 (Standards) EN 61326-1:2013 (Immunity) | | | **Hardware and Software** | Intel Celeron 2GHz or Better 8 GB RAM 120 GB SSD Windows 10 7″ Touch LCD HDMI, VGA, USB, RS-232, and LAN Ports | | | **Dimension (W x H x D)** **Weight** | 17.5 x 5.3 x 12.6 ” \[ 445 x 135 x 320 mm \] (3U 19” rackmount) 21.7 lbs \[ 9.7 kg \] | | | **Shipping Dimension** **Shipping Weight** | 24 x 19 x 13 “ 28 lbs | | ##### User Interface and Pulse Output The Model 765 user interface is designed for touch and it has been developed to put all the capabilities of the modern Pulse and Waveform Generators right at your fingertips. All instrument controls and parameters are accessed through an intuitive UI that recalls the simplicity of Tablets and modern smart phones: touch features and gestures are available to engineers and scientists to create single or multiple pulses (dual, triple and quadruple pulse mode) in few touches. ![](https://www.berkeleynucleonics.com/wp-content/uploads/pulsescreen01.jpg) ![](https://www.berkeleynucleonics.com/wp-content/uploads/pulsescreen02.jpg) ![](https://www.berkeleynucleonics.com/wp-content/uploads/765_datasheet_10-15-18.pdf_-_adobe_acrobat_pro_dc.jpg) ![](https://www.berkeleynucleonics.com/wp-content/uploads/765-chart.png) [ Model 765 Application Note: Radar Applications](https://www.berkeleynucleonics.com/download/20426/?tmstv=1776272584) [ Model 765 Application Note: Big Physics](https://www.berkeleynucleonics.com/download/20429/?tmstv=1776272584) [ Model 765 Application Note: General Description](https://www.berkeleynucleonics.com/download/20433/?tmstv=1776272584) [ Model 765 Application Note: Semiconductors](https://www.berkeleynucleonics.com/download/20436/?tmstv=1776272584) [ Model 765 Datasheet v1.2](https://www.berkeleynucleonics.com/download/20442/?tmstv=1776272584) [ Model 765-HV Datasheet](https://www.berkeleynucleonics.com/download/30982/?tmstv=1776272584) [ AVTECH Pulse Generator Replacement (Model 765 & Model 765 HV)](https://www.berkeleynucleonics.com/download/34595/?tmstv=1776272584) Downloadable resources such as datasheets, firmware, software, drivers and products manuals. Alternatively, you can browse resources directly by visiting our [downloads page](/downloads). - [Product Datasheets](/downloads#ddg-datasheets) - [Product Firmware](/downloads#ddg-firmware) - [Product Software and Drivers](/downloads#ddg-softwaredrivers) - [Product Manuals](/downloads#ddg-manuals) ## Playlist ![Introducing the Model 765 Fast Rise Time Pulse Generator from Berkeley Nucleonics](https://img.youtube.com/vi/qm5h9JLNjm4/maxresdefault.jpg) #### Introducing the Model 765 Fast Rise Time Pulse Generator from Berkeley Nucleonics 4:37 ![Berkeley Nucleonics Model 765 Fast Rise Time Pulse Generator Demonstration](https://img.youtube.com/vi/Lh_eKGhEf_c/maxresdefault.jpg) #### Berkeley Nucleonics Model 765 Fast Rise Time Pulse Generator Demonstration 6:05 ![BNC Model 765 | UC Berkeley Focus Application: Ferroelectric Switching in Multiferroic BiFeO3](https://img.youtube.com/vi/eJRhO02EZDk/maxresdefault.jpg) #### BNC Model 765 | UC Berkeley Focus Application: Ferroelectric Switching in Multiferroic BiFeO3 15:07 [ Berkeley Nucleonics Price List 2026](https://www.berkeleynucleonics.com/download/19881/?tmstv=1776272584) [ a](#) #### Model 765 | Are the rise and fall time the same? Yes. The Rise and Fall time for the Model 765 is 70ps. The amplitude is +/- 5V and there are 2 and 4 channel versions available. [ a](#) #### Model 765 | Can I obtain negative pulses? Yes. The Model 765 allows you to set the [pulse top](https://en.wikipedia.org/wiki/Pulse_generator) and pulse baseline from -2.5V to +2.5V. ##### Applications - Radar and Sonar Systems - Semiconductors and Lasers - High Precision Timing - Big Physics (Photomultiplier and Colliders) - High-Speed Detectors and Comparators - Strips Silicon Emulation - Mass Spectroscopy ##### Features - Fast Rise and Fall Time < 70 ps (20%-80%) - 300 ps to > 7 secs Pulse Width - 800 MHz Rep Rate per channel with 4 ps RMS Jitter - 2 or 4 Independent Channels - 10 ps Resolution for Width and Delay - Adjustable Pulse Amplitude from 10 mVpp to 5 Vpp - ± 2.5 V Adjustable Baseline offset | **765** | [**765-HV**](https://www.berkeleynucleonics.com/765-hv-400-mhz-400-ps-rise-time-high-voltage-pulse-delay-generator/) | | | --- | --- | --- | | **Channels** | 2 or 4 Independent Channels | 1 or 2 Independent Channels | | **Pulse Period** | **Range:** 5ns to 8 sec. **Resolution:** 10 ps **Jitter:** 4 ps | **Range:** 5 ns to 8 sec. **Resolution:** 10 ps **Jitter:** 15 ps | | **Max Pulse Frequency** | 800 MHz (in Quad Mode) | 400 MHz (Double, Triple, and Quad Mode) | | **Accuracy** | ±2 ppm | ± 2 ppm | | **Pulse Mode** | Single, Double, Triple, Quadruple Pulse External Width | Single, Double, Triple, Quadruple Pulse External Width | | **Pulse Width** | **Range:** 300 ps to 8 sec. **Resolution:** 10 ps **Accuracy:** ± 0.1 % + 30 ps **Jitter:** < 10ps | **Range:** 1 ns to 8 sec. **Resolution:** 10 ps **Accuracy:** ± (1 % + 100 ps)2 **Jitter:** < 10 ps | | **Pulse Delay** | **Range:** 0 ps to 8 secs **Resolution:** 10 ps **Accuracy:** ± 0.1% + 100ps | **Range:** 0 ps to 8 sec. **Resolution:** 10 ps **Accuracy:** ± 0.1% + 100ps | | **Pulse Amplitude** | **Range pk-pk:** 10 mVpp to 5 Vpp **Resolution:** 4 mV (amplitude from 250 mVpp to 5Vpp) **Resolution:** 1 mV (amplitude from 10 mVpp to 250mVpp) | **Range pk-pk:** 100 mVpp to ±50 Vpp **Resolution:** 10 mV | | **Baseline Offset** | **Range:** ± 2.5V adjustable **Resolution:** 2 mV | **Range:** -25V, -12,5V, 0V, +12,5V, +25 V (software selectable) **Resolution:** 12.5V | | **Rise and Fall Times** | **Rise/Fall Time (20% to 80%):** <70 ps **Rise/Fall Time (10% to 90%):** < 95 ps (1Vpp amplitude), < 105 ps (5Vpp amplitude) | **Rise/Fall Time (20% to 80%, Offset=0V):** < 380 ps (up to 25Vpp amplitude) --- **Rise Time (20% to 80%, Offset=0V):** < 400 ps **Fall Time (20% to 80%, Offset=0V):** < 490 ps --- **Rise/Fall Time (10% to 90%, Offset=0V):** < 560 ps (up to 25Vpp amplitude) --- **Rise Time (10% to 90%, Offset=0V):** < 600 ps **Fall Time (10% to 90%, Offset=0V):** < 800 ps | | **Overshoot** | < 5% | < 8 % (up to 25Vpp amplitude) < 5 % | | **Channel to Channel Jitter** | < 10 ps | < 15 ps | | **Output Impedance** | 50 Ω | | | **Trigger Mode** | Single, Continuous, Burst, Gated | | | **Trigger Input Impedance** | 50 Ω or 1kΩ User Selectable | | | **Trigger Input Range** | ± 3.5 V (50 Ω Input Impedance) ± 10 V (1KΩ Input Impedance) < 50mVpp Minimum Detectable Amplitude | | | **Trigger Threshold** | ± 8V 10 mV Resolution ± 100 mV Accuracy | | | **Maximum Trigger Frequency** | 40 MHz | | | **Minimum Trigger Pulse Width** | 1ns | | | **Trigger Jitter** | < 30ps (Trig IN to Trig Out) with Frequency ≤ 15 MHz | | | **Reference Clock Input** | 10MHz to 100MHz 50 Ω Input Impedance (AC Coupled) -5 dBm to 4 dBm Sine or Square wave ( RT <1 ns and Duty Cycle between 40% to 60%) | | | **Reference Clock Output** | 10MHz or Reference Clock Input Frequency 50 Ω Output Impedance (DC Coupled) Adjustable Amplitude Square wave: 0V to 1.25 V into 50 Ω \[ 0V to 2.5 V into Hi-Z \] | | | **Power Input** | 100 – 240 VAC ± 10%, 47 – 63 Hz, | | | **Power Consumption** | 120 Watts | 300 Watts | | **Environment EMC and Safety** | **Operating**: 41°F to +104 °F \[ 5 °C to +40 °C \] 5% to 80 % RH Non-condensing 9,842 feet \[ 3,000 meters\] **Storage**: -4 °F to 140 °F \[-20 °C to +60 °C \] 5% to 95 % RH Non-condensing 39,370 feet \[ 12,000 meter\] EN61010-1 (Safety) EN 61326-1:2013 (Standards) EN 61326-1:2013 (Immunity) | | | **Hardware and Software** | Intel Celeron 2GHz or Better 8 GB RAM 120 GB SSD Windows 10 7″ Touch LCD HDMI, VGA, USB, RS-232, and LAN Ports | | | **Dimension (W x H x D)** **Weight** | 17.5 x 5.3 x 12.6 ” \[ 445 x 135 x 320 mm \] (3U 19” rackmount) 21.7 lbs \[ 9.7 kg \] | | | **Shipping Dimension** **Shipping Weight** | 24 x 19 x 13 “ 28 lbs | | ##### User Interface and Pulse Output The Model 765 user interface is designed for touch and it has been developed to put all the capabilities of the modern Pulse and Waveform Generators right at your fingertips. All instrument controls and parameters are accessed through an intuitive UI that recalls the simplicity of Tablets and modern smart phones: touch features and gestures are available to engineers and scientists to create single or multiple pulses (dual, triple and quadruple pulse mode) in few touches. ![](https://www.berkeleynucleonics.com/wp-content/uploads/pulsescreen01.jpg) ![](https://www.berkeleynucleonics.com/wp-content/uploads/pulsescreen02.jpg) ![](https://www.berkeleynucleonics.com/wp-content/uploads/765_datasheet_10-15-18.pdf_-_adobe_acrobat_pro_dc.jpg) ![](https://www.berkeleynucleonics.com/wp-content/uploads/765-chart.png) [ Model 765 Application Note: Radar Applications](https://www.berkeleynucleonics.com/download/20426/?tmstv=1778700931) [ Model 765 Application Note: Big Physics](https://www.berkeleynucleonics.com/download/20429/?tmstv=1778700931) [ Model 765 Application Note: General Description](https://www.berkeleynucleonics.com/download/20433/?tmstv=1778700931) [ Model 765 Application Note: Semiconductors](https://www.berkeleynucleonics.com/download/20436/?tmstv=1778700931) [ Model 765 Datasheet v1.2](https://www.berkeleynucleonics.com/download/20442/?tmstv=1778700931) [ Model 765-HV Datasheet](https://www.berkeleynucleonics.com/download/30982/?tmstv=1778700931) [ AVTECH Pulse Generator Replacement (Model 765 & Model 765 HV)](https://www.berkeleynucleonics.com/download/34595/?tmstv=1778700931) Downloadable resources such as datasheets, firmware, software, drivers and products manuals. Alternatively, you can browse resources directly by visiting our [downloads page](/downloads). - [Product Datasheets](/downloads#ddg-datasheets) - [Product Firmware](/downloads#ddg-firmware) - [Product Software and Drivers](/downloads#ddg-softwaredrivers) - [Product Manuals](/downloads#ddg-manuals) ## Playlist ![Introducing the Model 765 Fast Rise Time Pulse Generator from Berkeley Nucleonics](https://img.youtube.com/vi/qm5h9JLNjm4/maxresdefault.jpg) #### Introducing the Model 765 Fast Rise Time Pulse Generator from Berkeley Nucleonics 4:37 ![Berkeley Nucleonics Model 765 Fast Rise Time Pulse Generator Demonstration](https://img.youtube.com/vi/Lh_eKGhEf_c/maxresdefault.jpg) #### Berkeley Nucleonics Model 765 Fast Rise Time Pulse Generator Demonstration 6:05 ![BNC Model 765 | UC Berkeley Focus Application: Ferroelectric Switching in Multiferroic BiFeO3](https://img.youtube.com/vi/eJRhO02EZDk/maxresdefault.jpg) #### BNC Model 765 | UC Berkeley Focus Application: Ferroelectric Switching in Multiferroic BiFeO3 15:07 [ Berkeley Nucleonics Price List 2026](https://www.berkeleynucleonics.com/download/19881/?tmstv=1778700931) [ a #### Model 765 | Are the rise and fall time the same? ](#) Yes. The Rise and Fall time for the Model 765 is 70ps. The amplitude is +/- 5V and there are 2 and 4 channel versions available. [ a #### Model 765 | Can I obtain negative pulses? ](#) Yes. The Model 765 allows you to set the [pulse top](https://en.wikipedia.org/wiki/Pulse_generator) and pulse baseline from -2.5V to +2.5V. [ ![](data:image/svg+xml;charset=utf-8,%3Csvg xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg' viewBox%3D'0 0 1105 130'%2F%3E) ](/products/microwave-rf-signal-generators)