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RFL Auxiliary Hybrid Chassis

RFL Electronics Inc.

March 29, 2005

13

(973) 334-3100

HYBRID I/O

The Hybrid I/O module provides three BNC connectors. All three have a spark gap protection device.
The middle port (J2) is the line port for both the X-Hybrid and the Skewed Hybrid. Ports J1 and J3 are
TX (input) ports when an X-Hybrid is connected. J1 is the TX (input) port and J3 is the RX (output)
port when the Skewed Hybrid is connected.

(99134)

HYBRID I/O

J2

J3

J1

Figure 6. RFL 9780 3-Port Hybrid I/O (C-106660-C)

Typical TX2 Line TX1 X-Hybrid
Connections RX Line TX Skewed Hybrid

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Summary of Contents for 106630-1

Page 1: ... of these modules uses the same basic printed circuit board The Auxiliary Hybrid Chassis shown in Figure 1 is used to add X Hybrid modules or Skewed Hybrid modules to RFL Powerline Carrier systems Each Auxiliary Hybrid is contained in a 19 inch chassis that occupies less than one rack unit of vertical rack space 1 718 inches or 4 4 cm Each chassis can accommodate three Hybrid modules and three Hyb...

Page 2: ...SPECIFICATIONS As of the date this manual was published the following specifications apply to all X Hybrid Modules except where indicated Because all RFL products undergo constant refinement and improvement these specifications are subject to change without notice Insertion Loss Approximately 3 5 dB either input port to line output port Transhybrid Loss Greater than 25 dB from 60 to 500 kHz when o...

Page 3: ... transformer hybrid formed from transformers L1 and L2 These transformers each have two secondaries interconnected so that the first secondary of one transformer is in series with the second secondary of the other One set of interconnected secondaries is connected to the line tuning unit through edge connector A24 C24 high and A25 C25 low The other set of secondaries is connected across balancing ...

Page 4: ...7 and TP8 are accessible with the X Hybrid Module installed in the chassis All others are accessible when the module is removed from the chassis or is on a card extender P1 L2 TP4 J1 R14 R13 F1 L1 TP3 TP5 TP6 TP7 TP8 9780 85 HYBRID ECB NO 106623 REV A DUAL SINGLE 2000 RFL ELECTRONICS INC BOONTON NJ U S A TX1 RX TX2 E C N A L A B HI LO LO LO HI HI B A 32 A C 1 1 1 1 1 Figure 2 Controls indicators a...

Page 5: ...d Low white Table 2 Replaceable parts X Hybrid module Assembly No 106630 1 and 2 Circuit Symbol Figs 2 3 Description Part Number F1 J1 L1 L2 P1 R13 14 TP3 4 TP5 TP6 TP7 TP8 MISCELLANEOUS COMPONENTS Fuse SLO BLO 10A 32V 3AG Connector header single 3CKT Transformer hybrid 50 ohm XMIT 106630 1 106630 2 Transformer hybrid 50 ohm XMIT 106630 1 106630 2 Connector JK male 64 contact DIN Resistor wirewoun...

Page 6: ...5 J4 1 2 3 4 5 6 10W 100 10W 100 5W 50 1w 100 1W 100 2 5W 50 10A 5W 12 1 5W 12 1 2 5W 12 2 5W 12 5W 12 1 1W 100 PO800EA 10W 100 10W 100 100 2W CW SEE CHART SEE CHART 55769 55768 55768 55768 50 50 75 50 50 50 TX1 TX2 LINE X HYBRID L2 L1 IMPEDANCE OHMS 2 1 NOT INSTALLED IN PLACE OF J2 INSTALL WIRE JUMPER NOT INSTALLED NOT INSTALLED TX SINGLE DUAL SINGLE DUAL TX2 TX1 YEL GRN WHT RED HI LO LO LO HI HI...

Page 7: ... 75 Ohms SPECIFICATIONS As of the date this manual was published the following specifications apply to all Skewed Hybrid Modules except where indicated Because all RFL products undergo constant refinement and improvement these specifications are subject to change without notice Insertion Loss 60 to 500 kHz Transmitting Approximately 0 3 dB Receiving Approximately 12 5 dB Transhybrid Loss 60 to 500...

Page 8: ...the line tuning unit through edge connector A24 C24 high and A25 C25 low This allows both the transmitter and the receiver to be coupled to the line tuning unit The other set of secondaries is connected across the internal balancing network formed by resistors R4 through R11 The coarse balance switch SW1 and fine balance potentiometer R4 can be adjusted to vary the resistance across the transforme...

Page 9: ...ewed Hybrid module The controls and indicators are described in Table 3 Only TP5 TP6 TP7 TP8 SW1 and R4 are accessible with the Skewed Hybrid Module installed in the chassis All others are accessible when the module is removed from the chassis or is on a card extender Figure 4 Controls indicators and component locations Skewed Hybrid Module TP6 TP5 TP8 TP7 TP4 TP3 R4 SW1 J1 J3 J2 ...

Page 10: ... the current Jumper J2 is used to bypass R1 when current limiting is not desired J3 is used to enable the 50 Ohm termination resistance The power dissipated by the termination should be limited to 1W The protection circuit should be placed as close as possible to the receiver and the termination should be placed at the end of the signal path In a chassis with a single rear UHF connector the termin...

Page 11: ...mer hybrid 50 ohm XMIT 106625 1 106625 2 Transformer hybrid 50 ohm XMIT 106625 1 106625 2 Connector JK male 64 contact DIN Resistor fixed composition 100Ω 5 1W Resistor metal film variable 100Ω 10 2W Resistor wirewound 50Ω 5 2 5W Resistor wirewound 50Ω 5 5W Resistor wirewound 12Ω 5 2 5W Resistor metal film precision 12 1Ω 1 1 2W Switch rotary 1 deck 6 position Test point terminal orange Test point...

Page 12: ...J4 1 2 3 4 5 6 10W 100 10W 100 5W 50 1w 100 1W 100 2 5W 50 10A 5W 12 1 5W 12 1 2 5W 12 2 5W 12 5W 12 1 1W 100 PO800EA 10W 100 10W 100 100 2W CW SEE CHART SEE CHART N A N A 75 75 75 75 50 75 50 50 75 50 50 50 4 RX TX LINE SKEWED 55866 L2 55865 55865 55865 55766 55766 L1 IMPEDANCE OHMS 3 2 1 HYBRID NOT INSTALLED NOT INSTALLED NOT INSTALLED TX SINGLE DUAL SINGLE DUAL TX2 TX1 YEL GRN WHT RED HI LO LO ...

Page 13: ... device The middle port J2 is the line port for both the X Hybrid and the Skewed Hybrid Ports J1 and J3 are TX input ports when an X Hybrid is connected J1 is the TX input port and J3 is the RX output port when the Skewed Hybrid is connected 99134 HYBRID I O J2 J3 J1 Figure 6 RFL 9780 3 Port Hybrid I O C 106660 C Typical TX2 Line TX1 X Hybrid Connections RX Line TX Skewed Hybrid ...

Page 14: ...19 A31 C31 C28 A28 A21 C21 C22 A22 A24 C24 C25 A25 A30 C30 C27 A27 C17 A20 C20 A23 C23 A26 C26 A29 C29 A32 C32 E4 E3 J3 E2 J2 J1 E1 W6 W5 W3 W4 W2 W1 W7 W10 W8 W9 N A 90V BBS 90V BBS 90V BBS 90V BBS LINE BALANCE TX2 TX RX Figure 7 Schematic RFL 9780 85 3 Port Hybrid I O C 106664 C TO HYBRID MODULE ...

Page 15: ...rid S Blank Panels B Transformer Hybrid T Skewed Hybrid S Blank Panels B Transformer Hybrid T Skewed Hybrid S RFL Model 9780 9785 One Rack Unit Hybrid Chassis Smart Number Ordering Information Chassis Left Position Middle Position Right Position HYB Note Left Middle and Right chassis positions are as viewed from the front of the chassis Left Middle Right ...

Page 16: ...rmission is given by RFL Electronics Inc This publication has been compiled and checked for accuracy The information in this publication does not constitute a warranty of performance RFL Electronics Inc reserves the right to revise this publication and make changes to its contents from time to time We assume no liability for losses incurred as a result of out of date or incorrect information conta...

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