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artisan FS730 (Single), Operation And Service Manual

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artisan FS730 (Single) Operation And Service Manual Download Page 62

 

55 

Broadband 75

Ω

  Distribution Amplifiers 

Stanford Research Systems

 

 

3‐00783 

D‐2 

MMBZ5226 

MMBZ5226, 3.3V ZENER 

3‐00783 

D‐3 

MMBZ5226 

MMBZ5226, 3.3V ZENER 

3‐00538 

D‐4 

MMBD352L‐ROHS 

MMBD352L, DUAL SCHOTTKY DIODE 

E 

3‐00538 

D‐5 

MMBD352L‐ROHS 

LE 

MMBD352L, DUAL SCHOTTKY DIOD
Header, SIM, Right Angle, Polarized 

1‐00469 

J‐1 

2 PIN, RT.ANG

1‐01158 

J‐2 

73100‐0195 

1‐01158 

J‐100 

73100‐0195 

1‐01158 

J‐200 

73100‐0195 

1‐01158 

J‐300 

73100‐0195 

1‐01158 

J‐400 

73100‐0195 

1‐01158 

J‐500 

73100‐0195 

1‐01158 

J‐600 

0 

73100‐0195 

1‐01158 

J‐70

73100‐0195 

6‐00174 

L‐1 

6611 TYPE 43 

TYPE 43 

Ferite Bead, Thru‐hole, Type 43 

6‐00174 

L‐2 

6611 

Ferite Bead, Thru‐hole, Type 43 

6‐00236 

L‐3 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐4 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐5 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐6 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐100 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐101 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐200 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐201 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐300 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐301 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐400 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐401 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐500 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐501 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐600 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐601 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐700 

1 

FR47 

Ferrite Bead, SMD, Type 43/44, 1812 
Ferrite Bead, SMD, Type 43/44, 1812 

6‐00236 

L‐70

FR47 

0‐00241 

M‐1 

4‐40X3/16PP 

0‐00241 

M‐2 

4‐40X3/16PP 

0‐00241 

M‐3 

4‐40X3/16PP 

0‐00241 

M‐4 

4‐40X3/16PP 

0‐00241 

M‐5 

4‐40X3/16PP 

0‐00241 

M‐6 

4‐40X3/16PP 

0‐00241 

M‐7 

4‐40X3/16PP 

0‐00241 

M‐8 

4‐40X3/16PP 

0‐00241 

M‐9 

4‐40X3/16PP 

0‐00241 

M‐10 

1 

4‐40X3/16PP 

0X3/16PP 

0‐00241 

M‐1

4‐4

4‐00485 

P‐1 

1K 

 

Pot, Multi Turn, Top Adjust 

4‐00013 

P‐2 

50K

Pot, Multi Turn, Top Adjust 

4‐00487 

P‐3 

20 

Pot, Multi Turn, Top Adjust 

4‐00013 

P‐100 

50K 

Pot, Multi Turn, Top Adjust 

4‐00013 

P‐200 

50K 

Pot, Multi Turn, Top Adjust 

4‐00013 

P‐300 

50K 

Pot, Multi Turn, Top Adjust 

4‐00013 

P‐400 

50K 

Pot, Multi Turn, Top Adjust 

4‐00013 

P‐500 

50K 

Pot, Multi Turn, Top Adjust 

4‐00013 
4‐00013 

P‐600 
P‐700 

50K 
50K 

Pot, Multi Turn, Top Adjust 
Pot, Multi Turn, Top Adjust 

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Summary of Contents for FS730 (Single)

Page 1: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

Page 2: ...Reamwood Avenue Sunnyvale California 94089 Phone 408 744 9040 Fax 408 744 9049 email info thinkSRS com www thinkSRS com Copyright 2008 2012 by SRS Inc All Rights Reserved Version 1 2 11 2012 Artisan...

Page 3: ...eturned to a Stanford Research Systems authorized service facility Contact Stanford Research Systems or an authorized representative before returning this product for repair Information in this docume...

Page 4: ...description 14 Component parts list 5MHz Distribution Amplifier Opt 2 21 Overview 22 Specifications 23 Checkout 23 Calibration CMOS Logic Distribution Amplifier Opt 3 27 Overview 28 Specifications 29...

Page 5: ...lifier Opt 5 51 Overview 52 Specifications 53 Checkout 53 Calibration 54 Component parts list SDI Serial Digital Interface Distribution Amplifier Opt 6 61 Overview 62 Specifications 63 Component parts...

Page 6: ...Always use an outlet which has a properly connected protective ground Consult with an electrician if necessary Grounding BNC shields are connected to the chassis ground and the AC power source ground...

Page 7: ...ts Symbol Description Alternating current Caution risk of electric shock Frame or chassis terminal Caution refer to accompanying documents Earth ground terminal Battery Fuse On supply Off supply Artis...

Page 8: ...RS distribution amplifiers are available in two chassis form factors The FS730 is a half width 1U high chassis that holds one distribution amplifier with BNC connectors and indicator LEDs on the front...

Page 9: ...rear of the instrument The indicator LEDs are on the front panel of the instrument Figure 3 Front panel of FS735 dual rack mounted distribution amplifiers Figure 4 Rear panel of FS735 dual rack mount...

Page 10: ...should have the following characteristics high input impedance with hysteresis high current outputs with 50 source impedance fast transition times small overshoot small ground bounce small insertion d...

Page 11: ...losses at high frequencies Reclocking circuits recover the data clock by phase locking a local oscillator to transitions in the data stream and resynchronize the output data to this recovered clock I...

Page 12: ...5 10MHz Distribution Amplifiers 10MHz Distribution Amplifier Option 01 Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 13: ...6 10 MHz Distribution Amplifiers Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 14: ...itude input noise that occurs more than 50 mV away from the zero crossing is blocked and virtually any waveform with a duty cycle near 50 may be used as an input The input limiter is followed by a ban...

Page 15: ...Spurious 120 dBc within 100 kHz Isolation 100 dB 1 Pulling 1 ps 1 2 TC of phase 5 ps C 1 Measured with 1Vrms at 10 001 MHz from a 50 source applied to an adjacent output The isolation increases at fr...

Page 16: ...earch Systems Figure 6 The 10MHz Distribution amplifier input limiter characteristic Figure 7 The 10MHz distribution amplifier output power vs frequency Artisan Technology Group Quality Instrumentatio...

Page 17: ...10MHz Distribution amplifier sine wave output Figure 9 The 10MHz Distribution amplifier additive phase noise vs offset frequency Stanford Research Systems Artisan Technology Group Quality Instrumentat...

Page 18: ...The OVERLOAD LED should go on when the input is increased above 5 2 VPP but do not exceed 6 VPP while testing Calibration With the instrument plugged into an ac power source and turned on apply a 10M...

Page 19: ...current Q103 is used to temperature compensate the base emitter voltage 0 65V across Q102 The R C filter R133 C117 has a 0 5Hz cutoff frequency to filter residual voltage reference noise The output fr...

Page 20: ...rge The detector D100 is a dual Schottky diode that is biased on by R104 R105 and R107 Biasing the detector on improves its ability to detect low signal levels The output of the level detector is comp...

Page 21: ...tor Mono 50V 5 X7R 1206 5 00399 C 121 01U Capacitor Mono 50V 5 X7R 1206 5 00299 C 210 1U Capacitor Mono 50V 10 X7R 1206 5 00299 C 211 1U Capacitor Mono 50V 10 X7R 1206 5 00387 C 212 1000P Capacitor Mo...

Page 22: ...ized 1 01158 J 102 73100 0195 1 01158 J 210 73100 0195 1 01158 J 220 73100 0195 1 01158 J 230 73100 0195 1 01158 J 240 73100 0195 1 01158 J 250 73100 0195 1 01158 J 260 73100 0195 1 01158 J 270 73100...

Page 23: ...101 121 Resistor Thin Film 1 50 ppm MELF 4 01059 R 102 249 Resistor Thin Film 1 50 ppm MELF 4 01213 R 103 10 0K Resistor Thin Film 1 50 ppm MELF 4 01117 R 104 1 00K Resistor Thin Film 1 50 ppm MELF 4...

Page 24: ...9 9 Resistor Thin Film 1 50 ppm MELF 4 00992 R 227 49 9 Resistor Thin Film 1 50 ppm MELF 4 01088 R 228 499 Resistor Thin Film 1 50 ppm MELF 4 01045 R 229 178 Resistor Thin Film 1 50 ppm MELF 4 01021 R...

Page 25: ...1146 R 273 2 00K Resistor Thin Film 1 50 ppm MELF 4 01117 R 274 1 00K Resistor Thin Film 1 50 ppm MELF 4 00992 R 275 49 9 Resistor Thin Film 1 50 ppm MELF 4 00992 R 276 49 9 Resistor Thin Film 1 50 pp...

Page 26: ...19 5MHz Distribution Amplifiers 5MHz Distribution Amplifier Option 02 Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 27: ...20 5MHz Distribution Amplifiers Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 28: ...ude input noise that occurs more than 50 mV away from the zero crossing is blocked and virtually any waveform with a duty cycle near 50 may be used as an input The input limiter is followed by a bandp...

Page 29: ...lling 1 ps 1 2 TC of phase 5 ps C 3 Measured with 1 Vrms at 10 001 MHz from a 50 source applied to an adjacent output The isolation increases at frequencies far away from 5 MHz 4 The pulling is compar...

Page 30: ...The OVERLOAD LED should go on when the input is increased above 5 2 VPP but do not exceed 6 VPP while testing Calibration With the instrument plugged into an ac power source and turned on apply a 5MHz...

Page 31: ...Stanford Research Systems 24 5MHz Distribution Amplifiers Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 32: ...25 CMOS Logic Distribution Amplifiers CMOS Logic Distribution Amplifier Option 03 Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 33: ...26 CMOS Logic Distribution Amplifiers Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 34: ...els of 0V and 5 0 V The 50 source impedance will reverse terminate reflected pulses when driving unterminated lines High impedance loads will be driven to 5 V and 50 loads will be driven to 2 5 V All...

Page 35: ...50 MHz Pulse width 5 ns Outputs Impedance 50 5 Levels high Z load 0 V 5 V Levels 50 load 0 V 2 5 V Rise time 1 5 ns Fall time 1 0 ns Jitter 10 ps rms Delay 9 ns typ Delay skew 1 ns typ Overshoot 5 Un...

Page 36: ...ven outputs The square waves should have about 50 duty cycle indicating that the input switching thresholds are nominally correct and very fast transition times typically 1 0ns rise and 0 6ns fall The...

Page 37: ...ffered line is terminated by R10 R11 Polarity control The buffered and inverted signal is received by an XOR gate The second input to the XOR gate is pulled high by a resistor so that it also operates...

Page 38: ...3 00896 D 2 BAV99 LE BREAKDOWN ht Angle Polarized 1 01158 J 1 73100 0195 ANG 1 00469 J 2 2 PIN RT Header SIM Rig 1 01158 J 100 73100 0195 1 00006 J 101 2 PIN DI Header SIM 1 01158 J 200 73100 0195 1 0...

Page 39: ...r Thick Film 5 300 ppm SMT Resistor Thin Film 1 50 ppm MELF 10 0K 4 00988 R 302 5 3 Resistor Thin Film 1 50 ppm MELF 4 01423 4 01213 R 400 R 401 4 7 4 Resistor Thick Film 5 300 ppm SMT Resistor Thin F...

Page 40: ...01852 U 701 74LVC3G34DCTR 0 01259 Z 0 1 2 CUSTOM PT3 7 02021 7 01926 7 01929 Z 0 Z 1 Z 2 BNC TOOL FS730 735 O BNC BLOCK Stanford Research Systems Artisan Technology Group Quality Instrumentation Guar...

Page 41: ...Stanford Research Systems 34 CMOS Logic Distribution Amplifiers Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 42: ...Broadband 50 Distribution Amplifiers Broadband 50 Distribution Amplifier Option 04 Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg co...

Page 43: ...36 Broadband 50 Distribution Amplifiers Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 44: ...he input and outputs are dc coupled with a 50 impedance Applications include the distribution of frequency references IRIG timing signals composite video audio etc There are four indicator LEDs The po...

Page 45: ...nce 50 loads Gain 50 load 1 00 2 Gain high Z load 2 00 1 Bandwidth 3 dB 100 MHz Noise at 1 kHz 15 nV Hz Offset 1 mV Isolation 10 MHz 120 dB Additive phase noise With 10 MHz 7 dBm input Offset Noise Hz...

Page 46: ...istribution amplifer small signal response for 20MHz square wave from Channels 1 3 5 7 Figure 15 Broadband distribution amplifer large signal response for 20MHz square wave from Channels 1 3 5 7 Artis...

Page 47: ...ibution Amplifiers Figure 16 Broadband distribution amplifier additive phase noise vs offset frequency Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOUR...

Page 48: ...ac power source and turned on but with no input applied adjust P2 to null the output offset of the preamp U5 at the location indicated by the PCB silkscreen 2 For each of the seven output buffer ampli...

Page 49: ...ination attenuates the op amp output by 0 822 to provide an overall gain of 2 000 for the signal which is distributed to the seven output drivers There are three potentiometers which calibrate the fro...

Page 50: ...the input exceeds 175mV and the OVERLOAD LED will go on if the input signal exceeds 2 2V The linear range of operation is 2 5V Stanford Research Systems Artisan Technology Group Quality Instrumentati...

Page 51: ...50V 10 X7R 1206 5 00299 C 102 1U Capacitor Mono 50V 10 X7R 1206 5 00299 C 103 1U Capacitor Mono 50V 10 X7R 1206 5 00299 C 200 1U Capacitor Mono 50V 10 X7R 1206 5 00299 C 201 1U Capacitor Mono 50V 10 X...

Page 52: ...pe 43 44 1812 6 00236 L 301 FR47 Ferrite Bead SMD Type 43 44 1812 6 00236 L 400 FR47 Ferrite Bead SMD Type 43 44 1812 6 00236 L 401 FR47 Ferrite Bead SMD Type 43 44 1812 6 00236 L 500 FR47 Ferrite Bea...

Page 53: ...hin Film 1 50 ppm MELF 4 01146 R 26 2 00K Resistor Thin Film 1 50 ppm MELF 4 01146 R 27 2 00K K Resistor Thin Film 1 50 ppm MELF 4 01146 R 28 2 00 Resistor Thin Film 1 50 ppm MELF 4 01067 R 29 301 Res...

Page 54: ...76 R 505 499K Resistor Thin Film 1 50 ppm MELF 4 01067 R 600 301 Resistor Thin Film 1 50 ppm MELF 4 01113 R 601 909 Resistor Thin Film 1 50 ppm MELF 4 01009 R 602 75 Resistor Thin Film 1 50 ppm MELF 4...

Page 55: ...Stanford Research Systems 48 Broadband 50 Distribution Amplifiers Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 56: ...Broadband 75 Distribution Amplifiers Broadband 75 Distribution Amplifier Option 05 Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg co...

Page 57: ...50 Broadband 75 Distribution Amplifiers Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 58: ...he input and outputs are dc coupled with a 75 impedance Applications include the distribution of frequency references IRIG timing signals composite video audio etc There are four indicator LEDs The po...

Page 59: ...2 Gain high Z load 2 00 1 Bandwidth 3 dB 100 MHz Noise at 1 kHz 15 nV Hz Offset 1 mV Isolation 10 MHz 120 dB Figure 18 Broadband distribution amplifer small signal response for 20MHz square For circui...

Page 60: ...d turned on but with no input applied adjust P2 to null the output offset of the preamp U5 at the location indicated by the PCB silkscreen 2 For each of the seven output buffer amplifiers adjust the o...

Page 61: ...10 X7R 1206 5 00299 C 102 1U Capacitor Mono 50V 10 X7R 1206 5 00299 C 103 1U Capacitor Mono 50V 10 X7R 1206 5 00299 C 200 1U Capacitor Mono 50V 10 X7R 1206 5 00299 C 201 1U Capacitor Mono 50V 10 X7R...

Page 62: ...pe 43 44 1812 6 00236 L 301 FR47 Ferrite Bead SMD Type 43 44 1812 6 00236 L 400 FR47 Ferrite Bead SMD Type 43 44 1812 6 00236 L 401 FR47 Ferrite Bead SMD Type 43 44 1812 6 00236 L 500 FR47 Ferrite Bea...

Page 63: ...hin Film 1 50 ppm MELF 4 01146 R 26 2 00K Resistor Thin Film 1 50 ppm MELF 4 01146 R 27 2 00K K Resistor Thin Film 1 50 ppm MELF 4 01146 R 28 2 00 Resistor Thin Film 1 50 ppm MELF 4 01067 R 29 301 Res...

Page 64: ...76 R 505 499K Resistor Thin Film 1 50 ppm MELF 4 01067 R 600 301 Resistor Thin Film 1 50 ppm MELF 4 01113 R 601 909 Resistor Thin Film 1 50 ppm MELF 4 01009 R 602 75 Resistor Thin Film 1 50 ppm MELF 4...

Page 65: ...Stanford Research Systems 58 Broadband 75 Distribution Amplifiers Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 66: ...59 SDI Distribution Amplifiers SDI Distribution Amplifier Option 06 Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 67: ...60 SDI Distribution Amplifiers Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 68: ...The recovered clock is a half the bit rate for 2 97Gb s data rates The input equalization can compensate for the losses and dispersion in 120 meters of Belden 1694A cable at 2 97 Gb s Reclocking circu...

Page 69: ...0 m at 1 48 Gb s 350 m at 270 Mb s Outputs Impedance 75 5 VSWR 15 dB Amplitude 800 mV 10 Outputs 6 SDI 3 ASI 1 clock SMPTE 259M 292M 424M Reclocking 270 1483 5 1485 2967 2970 Mb s Pass through 143 177...

Page 70: ...Mono 50V 10 X7R 1206 5 00299 C 21 1U 5 00611 C 22 4 7U 16V X5R 16V X5R 5 00611 C 23 4 7U 5 00299 C 30 1U Capacitor Mono 50V 10 X7R 1206 Capacitor Mono 50V 10 X7R 1206 5 00299 C 31 1U 5 00611 C 32 4 7...

Page 71: ...ilm 1 50 ppm MELF 4 01009 R 26 75 Resistor Thin Film 1 50 ppm MELF 4 00992 R 30 49 9 Resistor Thin Film 1 50 ppm MELF 4 00992 R 31 49 9 Resistor Thin Film 1 50 ppm MELF 4 01105 R 32 750 Resistor Thin...

Page 72: ...65 Distribution Amplifier Configurations Distribution amplifier configurations Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 73: ...66 Distribution Amplifier Configurations Stanford Research Systems Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 74: ...ibution amp in the FS735 Option 1 10 MHz Amplified and limited input seven 1VRMS 50 outputs Option 2 5 MHz Amplified and limited input seven 1 VRMS 50 outputs Option 3 CMOS Logic One 1 k input Seven 5...

Page 75: ...6 2 PIN 22AWG Non board mount Female Seperate wire 22 AWG Non board mount Female Seperate wire 22 AWG 1 00254 Z 17 2 PIN 22AWG R 0 00143 Z 18 5 5 22 RED 0 00145 Z 19 5 5 22 BLACK 0 01212 Z 20 6 32X1 4...

Page 76: ...r 0 00240 Z 48 4 40X3 8PF 0 00240 Z 49 4 40X3 8PF 0 00252 Z 50 GROMMET 0 00222 Z 51 6 32X1 4PP 0 00222 0 00222 0 00222 Z 52 Z 53 Z 54 6 32X1 4PP 6 32X1 4PP 6 32X1 4PP Stanford Research Systems Artisan...

Page 77: ...0182 2 0 01213 Z 11 2 520182 2 0 01213 Z 12 2 520182 2 82 2 0 01213 Z 13 2 5201 0 00084 Z 14 36154 F 2 00060 Z 15 RC1083BBLKBLKF G OR 1 00033 Z 16 5 PIN 18AW Non board mount Female Separate wire 18 AW...

Page 78: ...4 40X3 8PP 0 00209 Z 62 4 40X3 8PP 0 00209 Z 63 4 40X3 8PP 0 00209 Z 64 4 40X3 8PP 0 00209 Z 65 4 40X3 8PP PP 0 00209 Z 66 4 40X3 8 0 00043 Z 67 4 40 KEP 0 00043 Z 68 4 40 KEP 0 00096 Z 69 4 SPLIT 0 0...

Page 79: ...Stanford Research Systems 72 Distribution Amplifier Configurations Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com...

Page 80: ...plifier Sheet 1 of 2 Rev B 2 FS1_2B Opt 1 2 5 10MHz Distribution Amplifier Sheet 2 of 2 Rev B 3 FS3_1C Opt 3 CMOS Logic Distribution Amplifier Sheet 1 of 1 Rev C 4 FS4_1B Opt 4 5 Broadband Distributio...

Page 81: ...service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE IN...

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