ANALOGIC AN8135 RF AMPLIFIER

Description

SPECIFICATIONS
The AN8135 is a high power electronic device and must be operated within its specified limits.
Although the Amplifier has a number of built-in fault and overload detectors, care should
always be taken that design parameters are strictly adhered to when developing your MRI
system.
Performance in Normal Mode
RF Input
RF input level: -4 to +4 dBm for 35 kW RF Output
RF input Range: -4.0 dBm to +10 dBm
Max input level, no damage: + 20 dBm minimum
Transient in Blanked mode: 6 Vpk -pk
RF input match: VSWR < 1.5: 1
Unconditionally stable, any source impedance
Capability
Operating frequency range: 127.72MHz ± 0.650 MHz
Rated RF Output Power (Pnom): 35 kW; 75.4 dBm, PEP, min. into 50 Ω
RF Output Gain:
Body: 75.4.0 dB ± 1.0 dB
Head: 63.0 dB ± 0.1 dB
Test Port: 26.0 dB ± 0.44 dB
Gain flatness
Flat within ±0.2 dB over ± 275 kHz from center
frequency @ any power output.
Unblank Duty Cycle: 60 % max for high power sequences
100% for CW sequences
Pulse Length, Max (TpMax): 100msec max for high power sequences
Infinitive for CW sequences.