Philips Diamond Line 2 Скачать руководство пользователя страница 14 | Manualshive

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42

10 July 2000

Diamond Line Amplifiers

Plug-In Circuits

Figure 13. Diamond Line 2 Amp, User-Changeable Plug-Ins

These user-changeable plug-in circuits, accessible through
cut-outs in the amplifier cover, let you customize the Diamond
Line 2 amplifier. “WC” series equalizers and attenuators come
with guides that simplify their installation and plastic covers that
protect their components. (The “WC” in the part number stands
for “with cover.”)

7-2E-WC

Input

Equalizer

9-A-WC or

10-A-WC

Input

Attenuator

9-A-WC or

10-A-WC

Secondary

Output

Attenuator

7-REF-WC

Return Output

Equalizer or

EDB Response

Equalizer

9-A-WC

or

10-A-WC

Return

Output

Attenuator

EDB

Response Equalizer

(debumper)

9-A0 or 7-DC-862

Secondary Output

Port Selector

9-A-WC or

10-A-WC

Main Output

Attenuator

7-2E-WC

Secondary

Slope

Equalizer

7-2E-WC

Interstage

Slope

Equalizer

9-A-WC or

10-A-WC

Return Input

Attenuators

9-A-WC

or

10-A-WC

Interstage

Attenuator

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Содержание Diamond Line 2

Страница 1: ...ath 37 Return RF Signal Flow 38 Before the Return Legs Combine 38 After the Return Legs Combine 38 Amplifier Powering 39 Controls and Connectors 40 Plug In Circuits 42 Specifications 44 Diamond Line 2 Amplifier With 12 5 dB Tilt 44 Figures Figure 8 Diamond Line 2 Amplifier Front View 31 Figure 9 Diamond Line 2 Amplifier Model Numbers 32 Figure 10 Diamond Line 2 Amp Configuration Numbers 33 Figure ...

Страница 2: ...30 10 July 2000 Diamond Line Amplifiers ...

Страница 3: ...post amplifier hybrids one for the main output and one for the secondary outputs A plug in output port selector allows you to use one or both secondary outputs by using a plug in jumper or directional coupler Figure 8 Diamond Line 2 Amplifier Front View The Diamond Line 2 amplifier is a distribution amplifier similar in function to Philips GNA series global network amplifiers ...

Страница 4: ...plifier Model Numbers The Diamond Line 2 amplifier modules vary in highest forward frequency ALSC pilot frequency and station output tilt 6 G3A29_ _ _ 42 54 4 _ _ _ _ _ 2 Output Hybrids Diamond Line 2 Amplifier Station Gain 37 dB 40 dB incl losses from ALSC and 1 dB loss from input equalizer 42 54 Bandsplit diplex filter 5 42 MHz return 54 MHz and up forward Highest Forward Frequency 7 750 MHz 8 8...

Страница 5: ...ation combines a particular amplifier module with a particular housing G3A62 _ D_ _ C_ L _ 9 _C1 2 Output Hybrids Diamond Line 2 Amplifier 42 54 Bandsplit Station Gain 37 dB 40 dB incl losses from ALSC and 1 dB loss from input equalizer Powering 90 VAC 3A power supply Housing A None B 9 NHD 15 I PED K 9 NH15 L 9 NH15 CA M 9 NH15 I R 9 NH15 I PED CA V 9 NHD 15 Also compatible with 9 BH15 series hou...

Страница 6: ... J2 The secondary output signals are also amplified twice more before exiting through the two distribution secondary output ports J3 and or J4 The return RF signal flow is the same for all three of the Diamond Line 2 amplifier s return legs from ports J2 J3 and or J4 to port J1 Figure 11 Diamond Line 2 Amp Functional Block Diagram The Diamond Line 2 amplifier can have two equal or three unequal hi...

Страница 7: ... WC or 10 A WC series plug in attenuator reduces RF levels at the pre amp input to meet design specifications Amplifiers are shipped with the input attenuator position empty Select and install the appropriate value based on the amplifier s location in your network Input Equalizer The 7 2E WC series plug in equalizer compensates for the effects of cable preceding the amplifier module Amplifiers are...

Страница 8: ...t power and converts it to a DC signal that controls the Bode equalizer Distribution Equalizer factory installed The 7 2E WC series distribution equalizer provides additional slope to all outputs The interstage and distribution equalizers are factory installed to set the tilt of the output signals according to the customer order A zero equalizer may be shipped in the distribution equalizer positio...

Страница 9: ...ybrid which uses Power Doubling technology goes to the secondary output port s Secondary Output Port Selector Accessible through a cut out in the module cover the output port selector directs signal to the secondary output port s J3 only J4 only or both J3 and J4 A jumper or zero attenuator is used when directing signal to only one port When using both ports this location accepts a DC4 WC DC8 WC o...

Страница 10: ...t out in the module cover this 20 dB resistive test point lets you verify the return signals at the return hybrid input It is approximately 15dB from the test point s position in the circuit Return Combiner Return signals from J2 J3 and J4 are combined into a single feed for the return amplifier This three way combiner has equal 5 dB loss in each leg After the Return Legs Combine Return Amplifier ...

Страница 11: ...ort J1 Note that the test point at J1 is for forward input only combined return signal cannot be measured at that point Return Output Diplex Filter See Input Diplex Filter on page 35 Return Output Port J1 The return output port routes outgoing return signal via the cable system back to the previous amplifier This port also routes incoming forward signal to the amplifier Amplifier Powering AC power...

Страница 12: ...TP3 5 Output Test Point TP2 5 Output Test Point TP4 7 Return Output Test Point 6 Return Input Test Points for ports 2 3 4 8 24 VDC Test Point 9 Fuses F1 F3 10 ALSC On Off Switch 11 ALSC Gain Control 12 EMS Power Connector 14 Location for Port 3 RF Sensor DD EMS Kit 15 EMS Module RF Input Connector 14 Location for Port 4 RF Sensor DD EMS Kit 9 Fuses F2 F4 1 Forward Input Return Output Jack J1 2 Mai...

Страница 13: ...reflections in the cable The output test points allow access to the return band as well You can t measure return signal here but you can inject return test signals 6 Return Input Test Points for ports 2 3 4 20 dB resistive test points Used to measure the return signals before they are combined without interrupting the amplifier s operation Diamond Line 2 amplifiers which combine return signals fro...

Страница 14: ...hat protect their components The WC in the part number stands for with cover 7 2E WC Input Equalizer 9 A WC or 10 A WC Input Attenuator 9 A WC or 10 A WC Secondary Output Attenuator 7 REF WC Return Output Equalizer or EDB Response Equalizer 9 A WC or 10 A WC Return Output Attenuator EDB Response Equalizer debumper 9 A0 or 7 DC 862 Secondary Output Port Selector 9 A WC or 10 A WC Main Output Attenu...

Страница 15: ...he amplifier to work you must select and install the appropriate value based on the amplifier s location in your network The required plug ins are all shown in Figure 13 Input Attenuator 9 A WC or 10 A WC Input Equalizer 7 2E WC Return Output Equalizer 7 REF WC Optional Plug Ins Jumpers or zero value circuits are shipped in these positions for circuit continuity You may need to plug in different v...

Страница 16: ...ypical 66 71 74 dBc Composite Second Order typical Vc 0 75 1 25 MHz only 65 71 74 dBc Noise Figure maximum incl 1 dB loss from EQ 10 dB Hum Modulation typical 12 amps 15 amps 70 65 dBc dBc Return Bandwidth Distortions at Referenced Output 25 C a b 6 ch 39 dBmV flat out Composite Triple Beat typical 71 dBc Cross Modulation typical 66 dBc Composite Second Order typical 81 dBc 1 dB Compression Point ...

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