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Sweep Generators

S-4068A Sweep generator with hardcopy.
  • 0.4 to 465MHz.
  • 455KHz, 4.43MHz, 5.5MHz, 10.7MHz, synthesized vision 2.75, 4.25, 2 IF derived, 10MHz Xtal harmonic and external markers.
  • Freq counter, 5digit display.
  • Centronics interface for hardcopy of alignment curves.
S-1134 Sweep generator with synthesized markers.
  • 400KHz to 110MHz.
  • 20 Spot freq memory user programmable.
  • Auto Cycle 3/5 frequencies for high speed production.
S-495T Wobbulator (Sweep Generator)
  • Sweep Generator- meets or exceeds.
  • BIS:9782 industrial model, tested as per.
  • BIS:11051 methods of measurement.
  • 1 to 240MHz.
  • 65 synthesized markers 2 IF derived markers TV chroma and sound markers.
S-846T Wobbulator (Low Cost)
  • 1 to 240MHz
  • 5 Simultaneous markers, with center frequency readout on built-in counter.
S-837 Wobbulator (VHF-MIDBAND-UHF) 1 to 860MHz

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  • 0.4 to 465MHz.
  • 5 Simultaneous markers, with center frequency readout on built-in frequency counter.
S-4068A sweep generator (Wobbulator) covers the 0.4 to 465MHz sweep range with synthesized, comb and external markers. It is a versatile equipment for education covering the radio, TV, VCR and cable TV syllabus applications. Sweep Generator
  • Frequency Range
  • 400KHz to 465MHz in two bands
  • Band I 400KHz to 300MHz O/p within + 5dB
  • Band II 280MHz to 465MHz O/p within + 3dB
  • RF Output Level
  • +6dBm into 75ohms (546mv rms, 113dBuV)
  • RF Output Attenuator
  • 90dB Max in 10dB, 1dB steps
  • Flatness- RF Output remains flat within +1dB upto 300MHz & within +3dB for freq >300MHz
  • Harmonics- Better than 20dB
  • Sweep Width - Continuously adjustable and covers the entire frequency band
  • Sweep Linearity - <10%
  • Sweep Waveform Sawtooth
  • Sweep Rate - 50Hz approx
  • Sweep Output Level - 8V p-p approx
  • Blanking- Provision for RF blanking during retrace time
  • Interface- Centronics interface for direct hardcopy printout on dot matrix printer of response curve with markers of D.U.T. for student lab journals.
  • Radiation - Less than 10uV induced in a 2 turn coil of 1 inch at a diatance of 1 inch from the surface, with RF output duly terminated.
Marker Generator
  • Frequency Range - 400KHz to 465MHz
  • Range: 400KHz - 1MHz 1. 455KHz + 5KHz accy
  • Range: 1MHz-30MHz
1. 10.7MHz + 100KHz accy. 2. 1 Marker continuously variable 100KHz resolution. 3. 4.43MHz & 5.5MHz at chroma & sound frequency. 4. 10MHz harmonic comb. 5. External marker. Range: 30MHz - 300MHz 1. 10MHz harmonic comb. 2. 1 Marker continuously variable 100KHz resolution. 3. 2 IF derived markers.
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  • 400KHz to 110MHz.
  • 20 memory locations.
  • Auto cycle 3/5 frequencies for high speed production.
S-1134 sweep signal generator is a microprocessor based equipment using synthesized techniques and covering the frequency range 400KHz to 30MHz and 87MHz to 110MHz. It can be used with any XYZ monitor scope. The frequency selection is via keypad entry and the frequency is displayed on 6 digit LED displays. 20 frequencies can be programmed by the user. At these frequencies, at the press of a button; you can select the Sweep spot. 1 marker is generated for each band at the specified frequency. Battery backup is provided so that the programmed spot frequencies will be ready for use every time the equipment is switched on frequency.
  • Frequency Range-400KHz to 30MHz and 85MHz to 110MHz.
  • Programmable Freq-20 memory locations, individually selectable or in Cycles of 3 or 5 frequencies.
  • Display-6 digit LED display in MHz with a resolution of 1KHz.
  • Stability-frequency synthesized, Xtal derived.
  • Freq/prog selection-keypad entry.
Harmonics-Less than-30dBc Output
  • Amplitude-200mv p-p
  • Impedance-50 ohms
  • Range-10dBm to -110dBm into 50 ohms in steps of 20, 20, 20, 20, 10dB and 10steps of 1dB.
  • Minimum Output-2uV p-p (0.7uV rms)
  • Accuracy-+1dB at-10dBm output
Sweep Sweep Width-Variable: +300KHz max about centre freq for FM sweep applications. +20KHz max about centre freq for AM sweep applications. Intensified Marker-1 Marker at centre freq of sweep, to be connected to the Z modulation input of the display. General
  • Power-230V +10%, 50Hz.
  • Accessories-operating manual, cable.

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Key Specifications
  • -1 to 240MHz.
  • -65 Synthesized Markers.
  • + 2 IF Derived Markers.
  • + TV Chroma and Sound Markers.
Wobbulator RF sweep-25MHz to 240MHz (IF+12 VHF+S1-S12) digital readout/indication of selected CH. 1-30MHz available in one band. 1-240MHz available in one band.
  • Harmonics->35dB down.
  • Radiation-Less than 2uV induced in a 25mm loop 25mm away from any surface of the eqpt, with the RF ouput terminal duly terminated.
  • Output Level-110db uV max into 75 ohms (316mV rms)
  • Sweep Width-+5MHz to +15MHz approx
  • Amplitude Accuracy-Within +1db at max output at CH4
  • Attenuation-90 db total attenuation. 3 x 20db, 2 x 10db accurate to within +1 db per step. 10 x 1db accurate to within +0.25db/step
  • Overall Flatness-+1db
  • Flatness Between Markers-+0.25db between vision and sound markers.
  • Sweep Linearity-10%
  • Hor Sweep Output-Triangular wave, 50Hz synchronised to mains frequency, 8V p-p approx.
  • CH Selection-front panel selection or via foot switch.
Marker generator RF marker-65 synthesized pulse markers. 5 markers per Ch (IF + Ch1 to Ch12) at vision, sound, centre, centre + 4.5MHz. markers accurate to +75KHz as per table at left. IF Derived Markers - 2 brightup markers at the vision and sound are generated from the IF sample derived from the tuner, accurate to within + 75KHz. These markers are to be connected to the z mod input of the display. Chroma and Sound Markers-Xtal markers (birdy) at 4.43 and 5.5MHz available at the chroma and sound frequencies accurate to within +25KHz. These markers are operable in the 1-30MHz sweep band. General
  • Power - 240V +10%, 50Hz.
  • Included accessories-operating manual, cables.

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  • 1 to 240MHz
  • 5 Simultaneous markers, with center frequency readout on built-in frequency counter.
S-846T wobbulator comprises of a full band sweep generator with variable marker generator and an alignment display scope. VHF full band sweep (1-240MHz) - 13 channels are covered, TV IF and CH1 to CH12. Five variable birdy markers are available at vision, centre and sound frequency and centre +4.25MHz, of each channel over the 30-240MHz range. The centre frequency can be readout on a 5 digit LED display. One variable birdy marker is available at 1-30MHz sweep range. Wobbulator
  • RF Sweep-1MHz to 240MHz covered in a single band.
  • Output Level-110db uV max into 75 ohms (316mV rms).
  • Sweep Width-1MHz to 240MHz continuously variable.
  • Accuracy-Within +1db at max output at CH4. Attenuation-90 db total attenuation. 3 x 20db, 2 x 10db and a variable of 10db.
  • Overall Flatness- +2db above 30MHz. Sweep Linearity- 10% Hor Sweep
  • Output-Triangular wave, 8V p-p approx.
Marker Generator
  • RF Marker (30-240MHz)-5 simultaneous birdy markers at centre frequency +2.75MHz and +4.25MHz. The centre frequency is readout on a 5 digit LED display.
  • RF Marker (1-30MHz)-1 variable birdy Marker. The frequency is readout on a 5 digit LED display.
  • Marker Amplitude Control-Varies the marker amplitude on the composite display.
  • Marker Accuracy-100 ppm.
General
  • Power-230V +10%, 50Hz.
  • Accessories-Operating manual, cables: BNC-BNC 2pcs, BNC-wire 2pcs.
  • Optional Accessory-S-225 wobbuloscope training aid.

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Moazzam Loynmoon (Proprietor)
No. 201/202, Champaklal Industrial Estate, No. 105, Sion East
Mumbai - 400022
Maharashtra, India
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