The module is designed  for operation in communication systems using pseudonoise  signals, which  guarantees  high  reliability, noise-immunity,and secrecy of  the transmitted  information.
Correlation processing of radio signals carries out by SAW convolver in real time.
Correlation procession module includes electronic circuits which form the PSK reference signal and generate output signals in form of logical  «1»  or  «0» levels (depending on existence or absence of correlation).
Two modifications are produced CPD-01 and CPD-02.
The general parameters CPD-01, CPD-02 and AKH — 01, AKH — 02 is identical.

Maximum input signal	100mV
Phase-shift keying carrier frequency signal level	(30 ± 2) mV
Dynamic range no less than	35dB
Reference data signal	TTL levels
Output signal	TTL levels
DC Supply  voltage	12V
Wight	300g
Dimensions	140x90x15mm

SAW convolver is the element of nonlinear interaction.
Convolver carries out correlation processing of spread spectrum signals with large duration in real time.
Simplicity and reliability of SAW convolver give the opportunity to its usage in radars.

Two modifications of SAW filter are proposed

• AKH — 01
• AKH — 02

SPECIFICATIONS

Parameters	АКн — 01	АКн — 02
Central frequency	70 MHz	150 MHz
Bandwidth of processed signals, at minus 3 dB	10 MHz	25 MHz
Carrier frequency of phase-shift keyed	70 MHz	150 MHz

 

Integration time (maximum length of the processed signal)	20 ms
Weight	100 g
Efficiency	5 dBm
Dimensions	120x27x10 mm

The SAW filters are used in the radiotechnical eguipment, in TV communication systems, mobile phones, etc.

Specifications

Frequency range	10…1000 MHz
Minimal dimensions	0.9…1,8 mm
Relative  pass band	0,1…40%
Losses within the pass band	2…20 dB
Guaranteed attenuation	30…50 dB
Operating  temperature	minus 40 0C…+  800C

 SAW FILTERS FOR MOBILE PHONES

 

Nominal frequency	210 MHz
Pass bandwidth minus 5 dB	630 kHz
Ripple within ±300 kHz	1 dB
Insertion Loss	10 dB
Attenuation bandwidth at a level minus 40 dB	±1,25 MHz
Guaranteed attenuation	40 dB
Input impedance	1000 Ohm
Output impedance	500 Ohms
Operating temperature	minus 30 0C …+  800C
Dimensions	13,8×8,0x2,0 mm

«BOXCAR» — The series narrow-band SAW filters, which have different central frequencies, with LC matching circuits of input and output is proposed .

Filters Input and output is strip line.

Produced three groups of filters

group A	30,30…89,50 MHz
group B	227,45…396,30 MHz
group С	11,00…134,80 MHz

It is intended for providing of reliable and qualitative communications with possibility to organize  the internal  communication,   increasing efficiency of use of  the existing  local  phone lines, thereby decreasing expenses of it contents.

Automatic  telephone  exchange  (ATE)   satisfies  to  the international quality standards, providing uninterrupted communication at any load. It is simple in installation and is convenient in use.

The  given  advantages in a combination of easy  usage and obtainable price  do automatic  telephone  exchange   by  necessary  attribute  for business life of any firm.

 MINI ATE

The main functions of the MINI ATE are: 

• provision of local communication
• distribution of incoming calls
• various categories of access
• organization of communication both with the centre battery (CB) and with a local battery (LB)
• convenient remote dialectic mode of provision of commutation by the operator
• auto attendant
• inhibit  of intercity calling
• conference communication
• divert call
• selector communication
• call’s tariffication
• possibility of connection with a urban telephone network through Е1
• possibility of a group IP-telephony
• archiving of conversations on selective channels
• crypto-protection of communication channels.
• direct exchange facilities

It is intended for providing of reliable and qualitative communications with possibility to organize  the internal  communication,   increasing efficiency of use of  the existing  local  phone lines, thereby decreasing expenses of it contents.

Automatic telephone exchange  (ATE)   satisfies  to  the international quality standards, providing uninterrupted communication at any load. It is simple in installation and is convenient in use.

The  given  advantages in a combination of easy  usage and obtainable price  do automatic  telephone  exchange   by  necessary  attribute  for business life of any firm.

  

Mini ATE — 8/2   allows connect two external (local) double wire line and 8 internal subscribers.

The main functions of the Mini ATE 8/2 are:

• Provision of local communication
• Distribution of incoming calls
• Direct exchange facilities
• Divert call