Communication Medium

FM (Wireless)

AM (Wireless)

Fiber Optics

Transmitter

Carrier I/P Ampl I/p Freq. Power O/P

Tunnable from 88 Mhz to108MHz with built in FM (VCO)

500KHz to 1.5MHz

TTL BW - 64KHz, Analog BW –Audio, Uses Red LED Emitter.

0-5 Vpp (digital) Audio range.

0-5 Vpp (digital)

Carrier modulated i/p (audio range)

0-5 Vpp (digital) Modulated i/p (audio)

50 to 100mW

Receiver

External 5 BS5 to connect to antenna, 2nd IF i/p, 2nd IF o/p, speaker & Audio amplifier, AM/FM Select switch, L/S impedance 8 ohm / 0.5 W

Detector (tr=8mS ) Separate Bs5 socket for Digital ,AC coupled & TTL ops.

Controls (Man)

Settable 88 MHz to 108 Mhz. Gain control Settable from 0 to 4.5V

Transmitter bias Control.

Antenna / Transmission

Telescopic antenna (3 branch antenna)
(optional)

1m plastic fiber cable, CRT-1.492,NA- 0.5,

660nm, step index, terminated with SMA connector.

Waveform Gen.

Function Generator

Audio Oscillator

Sync. Sine Wave Gen.

I/P

AM (std) -i/p volt ±5V, 0V-No modulation AM (DSBSC)-i/p volt.0-9.8 Vpp, o/p volt. 0- 2.7.

FM i/p volt. 400mV (+50%modulation) ASK- i/p upto 500Hz,+5V Square wave FSK-i/p upto 500Hz,+4.5V Square wave

Selection of Sine / Square / Triangle

32 KHz TTL I/P to Generate 4 nos. of sync. sine O/P

Waveform

SINE/TRG/TTL

SINE/TRG/SQUARE

SINE

O/p Freq

1 Hz to 1MHz in 6 ranges

50 Hz to 5KHz

250/ 500/1000/ 2000 Hz

O/p volt.

0-20Vpp max(sine/TRG) @ 100KHz.

Sine0-2Vpp, Square 0-9 Vpp TRG0-3Vpp

0-10 Vpp

Controls

Freq & Amplitude controls pots Specification for common Resources

Freq & Amplitude controls pots

Amp. Control pot.

Power supply

5V / 1A, ± 12V/500mA, 0 to 15V DC (Variable)/100 mA, 0 to 30V DC (Variable)/100 mA

Mechanical Dimensions

Master Unit

: 400mm(W), 125mm(H), 270mm(D) Net weight :8Kg.

Gross Wt          : 10Kg.

Panel

: 215mm(W), 165mm(H), 40mm(D) Net weight : 700 gm approx

Mic with pre-Amp

Hand held Electret / dynamic microphone with preamplifier for audio range

Audio Amplifier

Variable Gain up to 20 for Audio range, Built in Loudspeaker – 8 ohm/500mW / earphone.

Pink Noise Gen.

Frequency response of filter for audio range.

Buffer/AC amplifier

NIV gain amplifier 2 Nos, Gain- 0-20, Non sinusoidal Signal Generator cum INV buffer

BNC TO Banana

Converts 1 BNC Socket to 2 Banana Sockets (4mm).

Low pass filter

4 Nos - 2 pole/4 pole butter worth filter cutoff freq 3.4 KHz Audio range.

PRBS

Switch settable for on/off fix 15 bit Pseudo Random Binary Sequence generator