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SECTION II

SECTION II

SECTION II

SECTION II    

    

ADA

ADA

ADA

ADA----101/R

101/R

101/R

101/R    

    

Specifications

Specifications

Specifications

Specifications    

    

Input:

Input:

Input:

Input:    

    

    

Number    

2, Channel A and Channel B, (Channel A 
used for mono)    

Impedance    

>30K

 balanced, >12K

 unbalanced    

Maximum level    

+30dBu (66

), +24dBm (600

)    

Common Mode Rejection (CMRR)     >90dB @60Hz, >60dB @ 20KHz 
Common Mode Range    

±

20volts    

    

    

Outputs: 

Outputs: 

Outputs: 

Outputs:     

    

    

Channels    

1 (mono) or 2 (stereo)    

Outputs per channel    

3 balanced stereo, 6 balanced monaural    

Impedance    

66

 balanced or 600

 balanced    

Maximum Level      

+30dBu (66

), +24dBm (600

    

 

Remote 

Remote 

Remote 

Remote Gain:

Gain:

Gain:

Gain:    

    

    

Control    

local/remote switch selectable    

Type    

DC control    

Range    

±

20dB    

    

    

Performance:

Performance:

Performance:

Performance: 
(each channel).    

    

    

Gain range      

±

 20dB    

Frequency Response      

±

 0.05dB, 20Hz to 20KHz, ref. 1KHz any 

level to +30dBu (66

), +24dBm (600

)    

Total Harmonic Distortion, (THD)        
    

<0.05%, 20Hz to 20KHz @ +30dBu (66

), 

+24dBm (600

)    

Intermodulation Distortion, (IMD)       
    

<0.02% 4:1 SMPTE @18dBu (66

), 

+18dBm (600

    

Isolation between Modules    

>100dB, 20Hz – 20KHz    

Interchannel Crosstalk 

>95dB, 20Hz – 20KHz 

 

 

Power Dissipation   

<2.5W 

 

Summary of Contents for ADA-101R

Page 1: ...RJM Associates LLC 175 Joerschke Drive Suite A Grass Valley CA 95945 Phone 530 205 3437 Fax 530 273 8482 info rjmandassociates www rjmandassociates com ADA 101R Remote Gain Audio Distribution Amplifier ...

Page 2: ... a particular purpose RJM is not liable for any consequential damages FCC Compliance FCC Compliance FCC Compliance FCC Compliance This equipment has been tested and found to comply with the limits for a Class A digital device pursuant to Part 15 of the FCC Rules These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial en...

Page 3: ...ion I Section I General Description 1 Section II Section II Section II Section II Specifications 2 Section III Section III Section III Section III Installation 3 Section IV Section IV Section IV Section IV Circuit Description 5 Section V Section V Section V Section V Diagrams 6 Module Schematics 7 ...

Page 4: ... module can be configured as a one input by six output monaural or as two one input by three output stereo amplifiers just by moving one internal jumper In the MONO mode only the Channel A input connector is used The Channel B input is left unconnected All inputs can be connected balanced or unbalanced Outputs are always balanced The unit offers a 20dB remotely controlled audio gain which is selec...

Page 5: ...ts per channel 3 balanced stereo 6 balanced monaural Impedance 66Ω balanced or 600Ω balanced Maximum Level 30dBu 66Ω 24dBm 600Ω Remote Remote Remote Remote Gain Gain Gain Gain Control local remote switch selectable Type DC control Range 20dB Performance Performance Performance Performance each channel Gain range 20dB Frequency Response 0 05dB 20Hz to 20KHz ref 1KHz any level to 30dBu 66Ω 24dBm 600...

Page 6: ...ment is not installed directly beneath the frame It is recommended that when redundant power supplies are included in the frame the two power cords be connected to different AC supplies In this way the frame will continue to operate even if there is a partial failure of plant power Before installing the module in the frame it is necessary to set the internal jumper H2 to either MONO or STEREO mode...

Page 7: ...ent of the amplifier gain from a external linear 10K potentiometer The connection of the pot is accomplished by utilizing the lowest most output connector for channel B on the particular input output group on the AMF 100 mounting frame The connections are as follows CH A CH A CH A CH A CH B CH B CH B CH B INPUTS S S J2 J1 Ctl OUTPUTS Gnd 5v ...

Page 8: ... A The output from the differential amplifier passes via the gain control potentiometer RV1 to the variable gain amplifier U6 U5 A inverts the second input to U6 U6 provides gain adjustment under control of the front adjustment potentiometer RV5 or via a remote control voltage from the rear panel output B4 The variable gain amplifiers in each channel are controlled by the same control voltage from...

Page 9: ...ECTION V SECTION V SECTION V SECTION V ADA ADA ADA ADA 101 R 101 R 101 R 101 R Diagrams Diagrams Diagrams Diagrams ADA 101 R PIN ASSIGNMENTS ADA 101 R AUDIO DISTRIBUTION AMPLIFIER PS 102 AUDIO POWER SUPPLY ...

Page 10: ...bution Amplifier Distribution Amplifier Distribution Amplifier INPUT A A 1 INPUT A OUTPUT 1 B 2 OUTPUT 1 OUTPUT 2 C 3 OUTPUT 2 OUTPUT 3 D 4 OUTPUT 3 OUTPUT 4 E 5 OUTPUT 4 INPUT B F 6 INPUT B OUTPUT 5 G 7 OUTPUT 5 N C H 8 OUTPUT 6 N C I 9 GND OUTPUT 6 J 10 OUTPUT 7 GND K 11 22VOLTS OUTPUT 7 L 12 REMOTE GAIN N C M 13 22VOLTS REMOTE GAIN 5v N 14 N C N C O 15 GND ...

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