Bnc 835-3 User Manual Instrukcja Użytkownika

Model 835-3 User’s Manual Fast-Switching Low-Noise Signal GeneratorBerkeley Nucleonics Corporation Tel 415-453-9955 [email protected] Fax

Figure 3 CONTROL tab Controlling Multiple Signal Generators from one PC You can easily control multiple 835-3 from a single computer over the

Figure 4 Network Configuration Submenu Perform Firmware Upgrade A firmware upgrade of the 835-3 can be done directly via the GUI. Make sure you

Figure 5 Memory Settings Submenu (*) In option HC instruments all settings are individually controlled, the RF on/off button does not provide thi

Rescan devices Connect / Disconnect Network Configuration device selection Basic CW Operation The 835-3 is a laboratory instrument designed to gene

Sweeps Besides the basic CW operation, the 835-3 supports several frequency and power sweeping modes. Sweep parameters can be set in the SWEEP tab (Fi

Frequency Linear Sweep Sweeps linearly from start to stop frequency in constant steps. Frequency step size is (f_stop-f_start)/number_of_points. If s

Figure 7 FREQENCY SWEEP tab List Sweeps (Figure 9) List sweeps allow to set frequency, output power, dwell time, and off time for each entry ind

Figure 8 POWER SWEEP tab You can select if you want frequency, output power, or both to be swept. If only one of the two parameters is selected,

1.0 ms. Transient times depend on the frequency steps and are typically less than 10 µs for a 100 MHz step. The number of repetitions determines how m

3rd: dwell time in µs, 4th: off time in µs).Values must be separated by semicolon! Modulation Control The 835-3 provides various modulation capabilit

Contents 1. Introduction to the 835-3 ... 4 General Features a

Figure 12 MODULATION tab for frequency and phase modulation Reference The 835-3 can be locked to an external frequency reference by connecting t

Figure 13 REFERENCE frequency setting Using the Trigger options (Figure 14) The 835-3 supports internal and external triggering for frequency, pow

As soon as a sweep is programmed, the output is disabled while the trigger is expected. Upon arrival of the trigger the sweep is executed (after give

LF OUT Control The 835-3 rear panel output FUNCT OUT can be programmed using the LF OUT tab (Figure 15). The FUNCT OUT output can be used as • V

Combined Modulation The table below shows what modulation types can be active simultaneously. The LF output can be used independently of all modulat

Rotary knob Varies the value at a cursor position (maked by the “_” symbol). Moves the entry cursor within the various submenus. Menu Key This is a m

Main Menu Display The Main Menu Display is invoked my pressing the menu key. The main menu contains eleven submenus as shown below. Figure 1

Frequency Sweep Submenu After accessing the Frequency Sweep menu, first of three displays allows to enter the start and stop frequency by using th

Power Sweep Submenu After accessing the Power Sweep menu, the first of total three displays allow to enter start and stop power by using the → ←

List Sweep Submenu After accessing the List Sweep submenu , the first of total two displays allow to enter start and stop power by using the →

LAN Configuration Submenu... 34 Display Settings Submenu ...

Important note: All sweeps must be started with the RF on/off button on (green light illuminated), otherwise no signal will be output during the sweep

If internal modulation (INT) is selected, go to line 2 to change pulse width to desired value, and go to line 3 to change pulse modulation frequency.

Figure 24 Frequency Modulation submenu Reference Submenu After accessing the Reference menu, use the ↓ ↑ arrow keys to move the cursor between the

Continues Figure 26 Trigger submenu. Trigger Slope Retrigger (on/off/immediate) Trigger delay Select SOURce: IMMediate, EXTernal, BUS (SCPI com

Figure 27 Displays shown in the LF OUTPUT submenu LAN Configuration Submenu After accessing the LAN Configuration menu, use the ↓ ↑ arrow keys

Figure 29 LAN configuration submenu (display 2). Use the rotary knob either enable (x) or disable ( ) DHCP. Finally, press the RF key to save the

3) Telephone Network (TELNET): TELNET is used for interactive, one command at a time instrument control For LAN operation, the signal generator must

client. Once the computer is configured for a LAN client, you can use the VXI- 11 protocol and the VISA library to send SCPI commands to the signal ge

7. Battery Operation (B3 Option) If your 835-3 is equipped with an internal rechargeable battery (B3 option) it can be operated without the extern

During operation, the approximate remaining battery capacity is indicated by the battery symbol visible in the upper right corner of the display. F

1. Introduction to the 835-3 Your Model 835-3 Series Signal generator kit contains the following items: • 835-3 mainframe • Universal powe

3. Fully charge the 835-3 after running it from the battery for an extended period of time. 4. If an 835-3 with internal battery will be stored

Safety FCC notice This equipment has been tested and found to comply with the limits for a Class A device, pursuant to Part 15 of the FCC Rules. The

• Full description of the failure condition. Note: Model and serial number can be found on the rear of the 835-3 unit, next to the power plug. Y

Front Panel Overview (non-HC version) The front panel contains a status display, a RF output female N-type connector, and a RF on/off key (Figure 1).

Amplitude - The current value for output power. Units: dBm Range: -70.0 to +25.0 dBm (option PE/PE2: -150.0 to + 25 dBm) Resolution 0.1 dB Phase lock

6 TRIG IN connector Female BNC connector, accepts a TTL signal from an external trigger source. The input impedance is 1Mohm. 7 PULSE MOD IN connector

Applying Power 1. Place the 835-3 on the intended workbench and connect the appropriate DC power supply to the receptacle on the rear of the unit. Mak

Troubleshooting the LAN Interconnection Software does not install properly • Make sure your installation CD is not damaged. • When Microsof