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9

20-740/745

RF MULTIPLEXER MODULE

pickering

Fig 1.6   Typical VSWR:  50

Ω

 Dual 8 to 1 Multiplexer Mode

500MHz

1000MHz

1500MHz

20-740 VSWR (RETURN LOSS)

1.6

1.4

1.2

1.0

1.8

2000MHz

13dB

16dB

21dB

11dB

VSWR

Return Loss

26dB

SMA

BNC

90%

50%

10%

200pS

400pS

600pS

20-740 TYPICAL 
STEP RESPONSE

380pS

    Fig 1.7  Step Response:  50

Ω

 Dual 8 to 1 Multiplexer Mode

1.3   Single 16 to 1 Multiplexer Mode

This configuration provides a single 16 to 1 multiplexer, it operates in a similar manner to the 8 to 1 version.  R.F.
performance is slightly reduced.

1

50

Ω

2

3

50

Ω

50

Ω

16

50

Ω

COM 1

Fig 1.8   Single 16 to 1 Multiplexer Mode

Artisan Scientific - Quality Instrumentation ... Guaranteed  |  (888) 88-SOURCE  |  www.artisan-scientific.com

Содержание 20-740-501

Страница 1: ...ss underutilized and idle equipment along with credit for buybacks and trade ins Custom engineering so your equipment works exactly as you specify Critical and expedited services Leasing Rentals Demos In stock Ready to ship TAR certified secure asset solutions Expert team I Trust guarantee I 100 satisfaction All trademarks brand names and brands appearing herein are the property of their respectiv...

Страница 2: ...g Interfaces Limited Stephenson Road Clacton on Sea Essex CO15 4NL England Tel 01255 428141 44 1255 428141 International Fax 01255 475058 44 1255 475058 International Internet www pickering co uk E Mail sales pickering co uk Model No 20 740 745 RF Multiplexer Module pickering Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 3: ... Integration within your Test System Please ring Pickering Interfaces and ask for Technical Support Alternatively you may fax email or connect to our Internet Web Site A full set of operating manuals application notes and software drivers is available on CD ROM Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 4: ... Section 4 Interconnecting R F Switching Modules 21 Section 5 Self Test 25 Section 6 Front Panel Layouts 27 Section 7 Reconfiguring Driver Card to Your Application 31 Section 8 Circuit Diagrams 33 Section 9 Electrical Environmental Mechanical Firmware Specifications 43 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 5: ...4 20 740 745 RF MULTIPLEXER MODULE pickering Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 6: ...ion is to a slightly reduced specification please refer to table 1 3 for further details Self Test is performed both at power up and at any other time either manually or under program control In the unlikely event of relay failure the front panel will indicate a fault The diagnosis including the position of the suspect relay will be indicated using the DIAGNOSTIC command This is a double height mo...

Страница 7: ...ng Resistors Yes Yes Yes Yes Terminating Resistor Max Power 0 25W 0 25W 0 25W 0 25W c d V 0 3 Switch Voltage x a M W 0 1 r e w o P x a M W 5 1 r e w o P y r r a C x a M A 5 0 t n e r r u C h c t i w S x a M m 0 5 2 e c n a t s i s e R n O h t a P Ω d c 0 1 e c n a t s i s e R n O h t a P 8 Ω d c S m 0 2 e m i T g n i h c t i w S Table 1 1 General Specification Dual 8 to 1 Multiplexer Mode Fig 1 1 ...

Страница 8: ...ltiplexers which may be operated independently of one another These units offer the user a very flexible building block to construct large R F switching systems see Section 4 for further information 1 50Ω 2 3 8 50Ω 50Ω 50Ω Bank 1 1 50Ω 2 3 8 50Ω 50Ω 50Ω Bank 2 Fig 1 2 Dual 8 to 1 Multiplexer Mode Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 9: ... 100 dB 500MHz 1000MHz 1500MHz 20 740 ISOLATION 8 to 1 and 16 to 1 modes 2000MHz 40 dB 50 dB 60 dB Fig 1 4 Typical Isolation 50Ω Dual 8 to 1 Multiplexer Mode 0 dB 0 8 dB 1 2 dB 1 6 dB 2 0 dB 2 4 dB 2 8 dB 0 4 dB 500MHz 1000MHz 1500MHz 20 740 INSERTION LOSS 3 2 dB 2000MHz BNC SMA Fig 1 3 Typical Insertion Loss 50Ω Dual 8 to 1 Multiplexer Mode Artisan Scientific Quality Instrumentation Guaranteed 88...

Страница 10: ... 600pS 20 740 TYPICAL STEP RESPONSE 380pS Fig 1 7 Step Response 50Ω Dual 8 to 1 Multiplexer Mode 1 3 Single 16 to 1 Multiplexer Mode This configuration provides a single 16 to 1 multiplexer it operates in a similar manner to the 8 to 1 version R F performance is slightly reduced 1 50Ω 2 3 50Ω 50Ω 16 50Ω COM 1 Fig 1 8 Single 16 to 1 Multiplexer Mode Artisan Scientific Quality Instrumentation Guaran...

Страница 11: ...10 20 740 745 RF MULTIPLEXER MODULE pickering Fig 1 8 20 740 Multiplexer Module SMA Version Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 12: ...fer to table 2 1 for further details Self Test is performed both at power up and at any other time either manually or under program control In the unlikely event of relay failure the front panel will indicate a fault The diagnosis including the position of the suspect relay will be indicated using the DIAGNOSTIC command This is a double height module and must be mounted into a double height 6U cas...

Страница 13: ...12 20 740 745 RF MULTIPLEXER MODULE pickering Fig 2 1 20 745 Multiplexer Module MMC Version Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 14: ...1 1 2 3 4 5 8 Common MUX Bank 2 1 2 3 4 5 8 Common MUX Bank 3 1 2 3 4 5 8 Common MUX Bank 4 Fig 2 2 20 745 Single 32 Channel Multiplexer Configuration Fig 2 3 20 745 Dual 16 Channel Multiplexer Configuration Fig 2 4 20 745 Quad 8 Channel Multiplexer Configuration Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 15: ...n Path Resistance 250 mΩ Off Path Resistance 108 Ω Differential Thermal Offset 20µV Expected Life Low Power 2x107 ops Expected Life Max Power 3x105 ops Switching Time 10mS Additional Specification 8 to 1 Mode Maximum Frequency 2000MHz Additional Specification 32 to 1 Mode Maximum Frequency 1000MHz 1 8 1 8 High Density 50 Way MMC Coaxial Connector SMB or Type 43 Coaxial Connector 36 per module 32 C...

Страница 16: ... Mode 0 dB 0 8 dB 1 2 dB 1 6 dB 2 0 dB 2 4 dB 2 8 dB 0 4 dB 500MHz 1000MHz 1500MHz 20 745 INSERTION LOSS 3 2 dB 2000MHz 500MHz 1000MHz 1500MHz 20 745 VSWR RETURN LOSS 1 6 1 4 1 2 1 0 1 8 2000MHz 13dB 16dB 21dB 11dB VSWR Return Loss 26dB 30 dB 50 dB 60 dB 70 dB 80 dB 90 dB 40 dB 500MHz 1000MHz 1500MHz 20 745 CROSSTALK 2000MHz Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www a...

Страница 17: ...e Fig 2 10 Step Response 50Ω Dual 16 to 1 Multiplexer Mode 90 50 10 200pS 400pS 600pS 20 745 TYPICAL STEP RESPONSE 400pS 80 dB 90 dB 70 dB 100 dB 500MHz 1000MHz 1500MHz 20 745 ISOLATION 2000MHz 40 dB 50 dB 60 dB Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 18: ... model is used then bank address 0 must be used Bank 3 Bank 2 Bank 1 Bank 0 Channels 49 64 Channels 33 48 Channels 17 32 Channels 1 16 Fig 3 2 Configuring the Multiplexer System All modules must have the same primary address 3 2 2 Dual Quad Multiplexer Mode If more than one multiplexer in the dual or quad mode is to be used to build up a large high performance multiplexer i e optimised insertion l...

Страница 19: ...rced b is in the range 1 to 2 e g CHAN 3 1 7 will operate the module with address 3 selecting bank 1 channel 7 CHAN 15 2 1 will operate the module with address 15 selecting bank 2 channel 1 3 4 3 Single Multiplexer Mode Each module contains a single 32 or 16 to 1 multiplexer CHAN a b c Select channel c on bank b of multiplexer a 3 5 Programming Examples The following are simple examples of how to ...

Страница 20: ...UX 4 8 To close channel 7 bank 4 on multiplexer 9 CHAN 9 4 7 Now to look at status of multiplexer 9 bank 4 VIEW 9 4 will return 7 To clear bank 4 ARESET 9 4 Now to look at status VIEW 9 4 will return 0 the status of bank 4 VIEW 9 will return the status of all multiplexer banks Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 21: ... e a b n a b a ARESET a ARESET a b examples ARESET 8 clear module 8 ARESET 8 3 clear module 8 bank 3 CLOSE a n example CLOSE 5 9 close relay 9 on module 5 WRITE a w WRITE a b w example WRITE 5 65264 send word to module 5 READ a READ a n CHAN a c CHAN a b c CHAN a b c e MOPEN a x y MOPEN a b x y DELAY t VIEW VIEW a VIEW a b VIEW a b c TYPE TYPE a TYPE a b DIAGNOSTIC a Shaded Areas show allowed inst...

Страница 22: ...trument Instrument Instrument COM 1 COM 2 4 1 Large Multiplexers Large multiplexers would normally be constructed using multiple dual 8 to 1 units built into a tree switching network All module interconnections are made using direct cabling no T junctions to minimise performance degradation particularly VSWR and insertion loss see diagram below Example See fig 4 1 below Here a 64 to 1 multiplexer ...

Страница 23: ...X 20 740 MUX 20 740 MUX 20 740 MUX 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Artisan Scientific Quality Inst...

Страница 24: ...t each output signal this is illustrated in fig 4 4 Here a full 4 x 4 matrix has been constructed using four 20 740 modules up to four crosspoints may be set simultaneously Larger matrices may easily be built using the same technique All module to module connections are via direct coax interconnection cables Matrices requiring more than one channel but not the maximum number e g an 8x8 matrix with...

Страница 25: ...24 20 740 745 RF MULTIPLEXER MODULE pickering Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 26: ...r state When the selftest has finished the multiplexer will be returned to an all clear state i e the previous state will not be remembered 5 3 Detailed Self Test Reporting using the DIAGNOSTIC Query The DIAGNOSTIC query will give an ASCII string detailing any self test failures These will include Logic µP RAM EPROM Relay Drivers Invalid Link Settings etc Relay Coils Open Circuit Coil This string ...

Страница 27: ...26 20 740 745 RF MULTIPLEXER MODULE pickering Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 28: ...ed LED red Module powered on LED yellow Self Test Currently Running LED red error found during self test Self Test Switch recessed to prevent accidental operation POW ACT ERR MAN TES T TEST 1 COM 1 3 5 7 9 11 13 15 2 COM 2 4 6 8 10 12 14 16 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 29: ...le powered on LED yellow Self Test Currently Running LED red error found during self test Self Test Switch recessed to prevent accidental operation POW ACT ERR MAN TES T TEST 1 3 5 7 9 11 13 15 2 4 6 8 10 12 14 16 COM 2 COM 1 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 30: ...ule powered on LED yellow Self Test Currently Running LED red error found during self test Self Test Switch recessed to prevent accidental operation POW ACT ERR MAN TES T TEST 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 1 3 5 7 9 11 13 15 COM 1 2 4 6 8 10 12 14 16 COM 2 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 31: ... Connector Version 1 8 1 8 POW ACT ERR MAN TEST TEST High Density 50 Way MMC Coaxial Connector SMB or Type 43 Coaxial Connector 36 per module POW ACT ERR MAN TEST TEST 32 Channel Indicator LEDs Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 32: ...figuration Links 3 4 5 Function 0 Dual 8 to 1 Multiplexer Default Setting 1 Single 16 to 1 Multiplexer 20 745 Configuration Links 3 4 5 Function 0 0 Quad 8 to 1 Multiplexer Default Setting 0 1 Dual 16 to 1 Multiplexer 1 0 Single 32 to 1 Multiplexer 7 2 Repeating Self Test with Burn In Factory Use Only A burn in test facility is built into the module this is initiated by pressing the selftest butto...

Страница 33: ...32 20 740 745 RF MULTIPLEXER MODULE pickering Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 34: ... k k k k k k J1 J2 J3 U1 U2 D1 C2 C3 C4 LED2 LED3 LED4 LED5 LED6 LED7 LED8 LED9 LED10 LED11 LED12 LED13 LED14 LED15 LED16 LED1 R2 R1 RL1 RL2 RL3 RL4 RL5 RL6 RL7 RL8 RL9 RL10 RL11 RL12 RL13 RL14 RL15 RL16 RL17 RL18 RL19 RL20 RL21 RL23 RL22 RL24 RL25 RL26 RL27 RL28 RL29 RL30 RL31 RL32 Spare Relay C6 C1 C5 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 35: ... RL 23 RL 8 RL 9 RL 25 RL 15 RL 16 RL 10 RL 11 RL 2 RL 1 RL 7 RL 6 RL 27 RL 26 RL 31 RL 32 RL 18 RL 17 RL 24 RL 22 All connections shown are for the inactive state R is a matched termination either 50 or 75Ω R R R R R R R R R R R R R R R R Fig 8 2 20 740 RF Relay Circuit Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 36: ...sorb 5V LED1 LED16 C SC 004 Led T1 Red high eff C1 C4 C6 C CP 001 Cap Cer 10nF 63V C2 C CP 003 Cap Tant 22uF 16V C3 C CP 004 Cap Cer 100nF 50V R1 R2 C RS 028 1K0 Res n w 9 R3 R18 C RS 021 51ohms SMT 16 RL1 RL32 C RL 046 G5Y 154P RF Relay Spare Relay C RL 046 G5Y 154P RF Relay U1 U3 C IC 026 UCN 5818A 32 bit driver C PC 079 PCB 6U 4 Layer Artisan Scientific Quality Instrumentation Guaranteed 888 88...

Страница 37: ...CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 CH1 CH2 CH3 CH4 CH5 CH6 CH7 CH8 C1 8 1 C2 8 1 C3 8 1 C4 8 1 C1 16 1 16 1 C1 32 1 32 1 32 1 16 1 32 1 16 1 32 1 16 1 32 1 16 1 32 1 Multiplexer 1 Multiplexer 2 Multiplexer 4 Multiplexer 3 Fx1 Fx2 Fx3 Fx4 Fx5 Fx6 Fx7 Fx8 Fx9 Fx10 pickering 32 Channel Configurable RF Multiplexer C2 unused C4 unused C3 unused C3 Model 20 745 Relay PCB Assembl...

Страница 38: ...ULTIPLEXER MODULE pickering 1 1 1 R 1 R 2 R 3 R 4 U 1 U 2 U 3 C 1 C 2 C 3 C 4 C 5 C 6 Fig 8 4 20 745 Relay PCB Layout Bottom Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 39: ... RL35 RL33 RL2 RL7 RL10 RL15 RL21 RL26 RL29 RL34 RL4 RL12 RL24 RL32 RL5 RL13 RL23 RL31 RL17 RL18 RL19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 C1 Relay interconnects PLAIN fixed connection DASHED configurable connection RL17 RL18 RL19 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 40: ...L22 RL27 RL25 RL28 RL30 RL35 RL33 RL2 RL7 RL10 RL15 RL21 RL26 RL29 RL34 RL4 RL12 RL24 RL32 RL5 RL13 RL23 RL31 RL17 RL18 RL19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 C1 bank 1 common C3 bank 2 common RL17 RL18 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 41: ...5 RL33 RL2 RL7 RL10 RL15 RL21 RL26 RL29 RL34 RL4 RL12 RL24 RL32 RL5 RL13 RL23 RL31 RL17 RL18 RL19 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 C1 bank 1 common C4 bank 4 common C3 bank 3 common C2 bank 2 common Unused relays RL17 RL18 RL19 Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 42: ...0 740 745 RF MULTIPLEXER MODULE pickering Fig 8 8 20 745 RF Relay Circuit Hardware Configuration Link Positions Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 43: ... 12V 36 U1 U3 C IC 035 UCN5818EPF 3 RF cable C WR 041 RG174A U type 75Ω coax GPIB135r0 parts list 75Ω version PCB location PIL part number Part description Qty C1 C CP 003 Cap Tant 22uF 16V 1 C2 omit C1 C6 C CP 001 Cap Cer 10nF 63V 6 J1 C CN 001 DIN 41612C r a 64 way plg 1 J2 C CN 124 34 way mini dip transition IDC 1 CH1 CH8 C CN 118 dielectric feedthru 38 COM1 COM4 C CN 243 SMZ pcb receptacle 16 ...

Страница 44: ... Approx Weight g 800 1100 Dimensions mm Front Panel Width 60 5 91 Height 268 268 Overall Length 189 189 Power Current Consumption Maximum 5V 250 250 mA 12V 100 100 Minimum 5V 150 150 12V 0 0 Approx dimensions Standard 160mm 6U Eurocard as specified in DIN 41494 Voltage Supplies Logic Supply 5Vdc 5 Relay Supply 12Vdc 10 Current Firmware Revisions 20 740 20 740 V2 4 20 745 20 740 V2 0 Artisan Scient...

Страница 45: ...44 20 740 745 RF MULTIPLEXER MODULE pickering Artisan Scientific Quality Instrumentation Guaranteed 888 88 SOURCE www artisan scientific com ...

Страница 46: ...quipment Have surplus equipment taking up shelf space We ll give it a new home Learn more Visit us at artisantg com for more info on price quotes drivers technical specifications manuals and documentation Artisan Scientific Corporation dba Artisan Technology Group is not an affiliate representative or authorized distributor for any manufacturer listed herein We re here to make your life easier How...

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