Signal Generators - Synthesized Signal Generator, Stereo Signal Generator, AM Signal Generator and FM Signal Generator Manufacturer & Exporter from Mumbai, India

Synthesized Signal Generator

Frequency Range: 100KHz to 300MHz
Sweep / Marker Generator: 400KHz to 300MHz
0.1dB resolution: 1KHz Marker resolution
Synthesized with Keypad Entry
AM Modulation: 0-99% in 1% steps
FM Modulation: 0-99KHz in 1KHz steps
FM Stereo: Modulation Left/Right channel On/Off

S-990 is a combination of FM(Stereo)/AM synthesized signal generator and a sweep marker generator. It is a microprocessor based equipment using synthesized techniques and covering the frequency range 100KHz to 300MHz in a single band. The frequency selection is via keypad entry and the frequency is displayed on 6 digit LED displays. The frequency can be increased/decreased in 1KHz steps using the up/down keys. The RF Signal is clean and the output is electronically levelled. Sweep is available over the 400KHz to 300MHz range. Marker is intensified pulse type, with a fine resolution of 1KHz. S-990A is suitable for measurements on receivers, amplifiers, antenna, filter networks, etc. The equipment is rugged and simple to use. S-990A offers the unique advantage of aligning a receiver and measuring its sensitivity, all in one equipment. FREQUENCY:

Freq Range: 100KHz to 300MHz in one band.
Sweep Range: 400KHz to 300MHz in one band.
Display: 6 digit LED display in MHz with a resolution of 1KHz.
Stability: 1ppm/deg C from 0-40 deg C.
Frequency synthesized frequency selection: Keypad entry with resolution of 1KHz to 250KHz per step. FM/AM/Sweep selection: keypad entry

OUTPUT:

Range- 200mV p-p Impedance - 50 ohms
Accuracy - +1dB from 10MHz to 100MHz and +2dB above 100MHz and below 10MHz at 200mV output
Attenuation - 100dB total attenuation. 4x20dB, 1x10dB accurate to within +1dB/step. 10x1dB accurate to within 0.25dB/step, upto 260MHz
Leakage - Less than 5uV induced in a 25mm loop at 25mm away from surface of the instrument.

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Stereo Signal Generator

400KHz to 150MHz
Synthesized with keypad entry
20 memory locations
AM modulation 30%
FM modulation - 22.5KHz

S-1125 FM(Stereo)/AM signal generator is a microprocessor based equipment using synthesized techniques and covering the frequency ranges 400KHz to 30MHz (AM/FM/CW) and 87MHz to 150MHz (FM/CW). 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 AM spot, FM spot or CW. Battery backup is provided so that the programmed spot frequencies will be ready for use every time the equipment is switched on. Function Generator

Freq Range- 400KHz to 150MHz in one band.
Programmable Freq- 20 memory locations.
Display-6 digit LED display in MHz with a resolution of 1KHz.
Accuracy-1x10-5 (10ppm) over the full frequency range.
Freq/Prog Selection-keypad entry.
FM/AM/CW-keypad entry.

Spectral Purity Harmonics-Less than - 30dBc Modulationam

Internal Source-1KHz +10% sine wave.
Depth-30%
Accuracy-+5%
Distortion-Less than 5%
Freq Range-400KHz to 30MHz.

FM (Mono)

Internal Mod-1KHz +10%
Peak Deviation-22.5KHz peak
Accuracy-+ 3KHz
Distortion-+3% or better

FM (Stereo)

Internal Mod-1KHz +10%, left, right Ch On/Off provided
Peak Deviation-75KHz peak

Pilot Signal

Freq Deviation-7.5KHz +1KHz
Frequency-19KHz +0.1%
Seperation-40dB or more

General

Power - 230V +10%, 50Hz.
Accessories - operating manual, cable.

Remarks: All accuracies specified at 25deg C ambient, 230V mains, 50Hz with eqpt grounded - after warmup of 30 min. Specs, illustrations and price change privileges reserved.

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AM Signal Generator

Function Generator

Range-100KHz to 260MHz in one band.
Display-6 digit LED display in MHz with a resolution of 1KHz.
Stability-Frequency synthesized, Xtal derived.
Frequency Selection-keypad entry.

Spectral Purity

Harmonics - Less than - 30dBc
AM on CW - Less than -46dBc
AM on FM - less than 5% upto 30KHz int FM
FM on AM - Less than 300Hz at 30% int AM

Output

Range - 110dBm to -10dBm into 50 ohms and -130dBm with 20dB pad.
Impedance - 50 ohms.
Accuracy - +1dB from 10MHz to 100MHz and +2dB above 100MHz and below 10MHz at -10dBm output.
Leakage - Less than 1uV induced in a 25mm loop at 2 5mm away from surface of the instrument.

Amplitude Modulation

Internal Source-1KHz +10% sinewave.
Output-1KHz 1V rms. Depth-0-99%.
Accuracy-+5% of the reading +5% FSD or better upto 80%.
Distortion-Less than 5% at 30% depth or better.
External Frequency Response-Flat within -3dB from 20Hz to 20KHz with respect to 1KHz or better.

Frequency Modulation

Internal Source-1KHz +10%
Peak Deviation-0-99KHz peak
Accuracy-+15% FSD or better, not exceeding +20%

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FM Signal Generator

100KHz-55MHz use able upto 110MHz(2nd Harmonic)
Frequency Counter, 55MHz
TTL Output-Low radiation

S-900 AM/FM signal generator is a low cost equipment ideally suited for education and service applications, it comprises of the following. AM/FM signal generator, which generates frequencies from 100KHz to 55MHz in 6 bands. The second harmonic of the last band generates frequencies upto 110MHz. Frequency counter which measures frequency of the AM/FM and external input. TTL output is available at the frequency readout on the counter. TTL output can be used to drive various circuits during experimentation. AM Oscillator

100KHz-300KHz
300KHz-1MHz
1MHz-3MHz
3MHz-10MHz
10MHz-25MHz
25MHz-55MHz

continuously variable over the whole range with a coarse and fine variable. Modulation frequency 400Hz approx and modulation depth a) Internal Modulation 30% (electronically adjusted b) External Modulation-adjustable. Output amplitude 100mV p-p +2dB into 75 ohms, corresponding to a carrier voltage of 27mV rms approx FM Oscillator

3MHz-10MHz
10MHz-25MHz
25MHz-55MHz
80MHz-110MHz (2nd harmonic of band 6)

continuously variable over the whole range with a coarse and fine variable. Modulation Frequency 400 Hz approx Frequency Deviation a) Internal-adjustable 0-22.5KHz from 5MHz to 55MHz b) External-adjustable 0-40KHz from 3MHz to 55MHz for Audio input frequency range 300Hz to 5KHz and a max input of 8V p-p c) Output Amplitude 75mV p-p +2dB into 75 ohms Attenuation - a) step attenuator 5 steps (20dB) each d) Variable attenuator Frequency Counter

Readout 5 digit LED display.
Range selection MHz/KHz/Hz.
Time base 10MHz Xtal derived.
Source Selection a) Internal AM b) Internal FM c) External frequency
External input 10Hz to 55MHz.
Sensitivity 20mV rms at 1KHz.

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Station Generator

AM/FM: 0.1 to 110 MHz Freq
Counter: 1Hz to 110MHz
Function generator: 1Hz to 1MHz
Power supply: 0-30V 1A

S-4050 service test station is a general purpose bench equipment comprising of several test equipment in one package also suitable for lab use. The unit comprises of an AM/FM synthesized signal generator, function generator, frequency counter and regulated power supply.

Freq Range: 1Hz to 1MHz Functions: sine, square, triangular, +ve pulse, -ve pulse, ramp.
Output Amplitude: 30V p-p open ckt for inewave and 20V p-p open ckt functions.
Attenuation: 0 to 60dB in 2 steps of 20dB each and continuously variable.
Output Impedance: 600ohms for sinewave and 50ohms.
DC Offset: 0 to + 10Volts max.
Sinewave distortion: <1.5%.
Pulse Duty Cycle: 10% to 90% Symmetry ON/OFF: In Off mode 50% duty cycle.

SIGNAL GENERATOR

A.M.: 100KHz to 110MHz in one synthesized band with coarse and fine steps, keypad entry and 6 digit display.
Modulation Frequency: 400Hz/1KHz switchable.
Output Amplitude: 200mV p-p at 75ohms. Flatness within + 2dB referred to max output at 3MHz, duly terminated
F.M.: 10MHz to 110MHz in one synthesized band with coarse and fine steps, keypad entry and 6 digit display.
Modulation Frequency: 400Hz/1KHz switchable.
Freq. Deviation: Int: 30KHz approx, Ext: adjustable 50Hz to 25KHz.
Output Amplitude: 200mV p-p at 75ohms. flatness within + 2dB referred to max output at 30MHz, duly terminated.
Attenuation: 0 to 100dB in 20dB steps and continuously variable.

FREQUENCY COUNTER

Display: 5 digit display with overrange indication
Frequency Range: 1Hz to 100MHz
Range Selection: Hz/KHz/MHz
Source Selection: function generator, external counter.
Gate Period: 0.1 sec & 1 sec.
Low Pass Filter: For HF noise rejection for low frequency.

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Function Generator

The S-909 is a low cost signal gen. covering the 0.1 to 72MHz freq in 6 bands, upto 110MHz (2nd harmonic). The freq counter measures int/ext freq upto 72MHz. The triple power supply has +12 V floating. Also +5 V 1AMP is provided. The function gen takes care of all your low freq needs. AM/FM Signal Generator

Frequency 100KHz-72MHz in 6 bands.
Frequency selection coarse and fine.
Output 100mV p-p into 75 ohms.
Attenuator 5 x 20dB steps + fine. AM Modulation 30% int. ext variable.
FM Modulation Int / Ext 0-22.5KHz var.
Function generator 1Hz to 100 KHz.
Power supply +12V, -12V(.2A) + 5V (1A). Counter 1Hz - 72 MHz. 20 mV at 1 MHz. 5 digit display.

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