ISOMET RFA1160-4-(ZP)-PO Instruction Manual Download Page 13

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ISOMET

AOD

1st

0th

Input

1st

0th

Input

0th

1st

0th

Input

Amplifier

Increasing Phase

Delay

AOD

Correct orientation as viewed from top of AOD

(Connector identification may differ)

Connection options for Beam Steered AO Deflectors

Amplifier

RF1

RF4

Increasing Phase

Delay

Increasing Phase

Delay

Increasing Phase

Delay

RF1

RF4

RF1

RF4

RF1

RF4

RF1

RF4

RF1

RF4

RF1

RF4

RF1

RF4

RF1

RF4

RF1

RF4

Increasing Phase

Delay

Figure 4: Connection Orientation. (Applies to RFA1160/4 and RFA1160/4-PO)

Summary of Contents for RFA1160-4-(ZP)-PO

Page 1: ...t Zero Phase shift RFA1160 4 ZP PO 55 105MHz 240W total RF output Optimized for Duty cycle apps Caution refer to notes page 7 Zero Phase shift DO NOT OPERATE the RFA1160 4 types or LS600 1100 type AO...

Page 2: ...an be applied between the channel pairs J1 J2 and J3 J4 e g The Isomet iDDS 2 synthesizer offers active phase control When used as the input source for the RFA1160 4 the result is near exact acoustic...

Page 3: ...ass A power stage to generate the final output level of up to 70W per output The overall gain of the unit is fixed Water cooling is required The heatsink temperature must not exceed 70 C SERIOUS DAMAG...

Page 4: ...y will vary considerably as the input frequency is changed The cable lengths from the amplifier to the RF connections of the deflector must be equal Figure 4 illustrates the connection order depending...

Page 5: ...4 PO and RFA1160 4 ZP PO with Active HIGH gate Connect pin 17 to a TTL or 5V CMOS compatible signal source Connect pin 16 to signal ground RF output is enabled when pin 17 is driven logic HIGH Refer 3...

Page 6: ...ive aperture of the deflector Observe the diffracted first order output from the acousto optic modulator and the undeflected zeroth order beam Adjust the Bragg angle rotate the deflector to maximise f...

Page 7: ...UST BE controlled via the RF_gate input to J6 Duty cycling the RF input only is insufficient The RF_gate TTL high should be applied 40usec prior to the active RF signal pulse input and should terminat...

Page 8: ...ed with a soft ball of brushed short fibres removed cotton slightly moistened with clean alcohol Before the alcohol has had time to dry on the surface wipe again with dry cotton in a smooth continuous...

Page 9: ...surface and in the plane of deflection is bragg fc 2 v The separation angle between the zeroth order and mid scan point of the first order is sep fc v The first order scan angle is scan f v Modulatio...

Page 10: ...TNC RF Output Ch3 J4 TNC RF Output Ch4 J5 3 way Circular Panel Socket Binder 680 12Vdc Auxiliary Supply Output J6 25 way Filtered D type Connector Amp GATE VSWR Ch1 Ch2 Ch3 Ch4 Interlock status Temper...

Page 11: ...12A Upper DLY 4 3 1 2 DLY 4 3 1 2 PA Transistor Gate Input SMA J7 Input PA Transistor Pre Amp TNC J1 Output Pre Amp Gate Input TNC J3 Output TNC J4 Output SMA J8 Input TNC J2 Output PA Transistor PA T...

Page 12: ..._gate_rtn 25D Type Skt J6 16 INT Amp Input Logic Amp Thermal interlock Status 25D Type Skt J6 15 INT rtn Input Signal return 25D Type Skt J6 25 INT AOD Input Logic AOD Thermal interlock Status 25D Typ...

Page 13: ...ion may differ Connection options for BeamSteered AODeflectors Amplifier Amplifier Amplifier RF1 RF4 J1 J3 J2 J4 J1 J3 J2 J4 Increasing Phase Delay Increasing Phase Delay J1 J3 J2 J4 Increasing Phase...

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ISOMET RFA1160-4-(ZP)-PO, Instruction Manual

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