Amplifiers
HP 8347A and HP 8447A/D Amplifiers
Specifications Summary
HP 8347A RF Amplifier HP 8447A Preamplifier HP 8447D Preamplifier
Frequency range 100 kHz to 3 GHz 0.1 to 400 MHz 100 kHz to 1.3 GHz
Typical 3 dB bandwidth — 50 kHz to 700 MHz 75 kHz to 1.7 GHz
Maximum leveled output power ≥+20 dBm — —
Output power leveling range (≥300 kHz): +2 to +20 dBm — —
Gain (mean, per channel) ≥25 dB 20 dB ± 1.0 dB at 10 MHz >25 dB (20° to 30° C)
Gain flatness across full Internally leveled, ±1.8 dB (0° to 55° C) ±1.5 dB
frequency range ±300 kHz: ±1.5 dB ±0.7 dB (20° to 30° C)
Noise figure 10 MHz to 3 GHz: 15 dB <7 dB <8.5 dB
Output power for 1 dB +22 dBm > +6 dBm > +7 dBm typical
gain compression
Third-order intercept +30 dBm — —
Harmonic distortion (at +20 dBm output) –32 dB for 0 dBm output –30 dB for 0 dBm output (typical)
Maximum input for minimum –14 dBm — —
internally leveled output
Output for <–60 dB –25 dBm (characteristic) –30 dBm
harmonic distortion
VSWR 2.0: 1 input <1.7 <2.0 input
Reverse isolation 60 dB >30 dB >40 dB
Maximum dc voltage output — ±10 V ±10 V
Size 213 mm W x 102 mm H x 298 mm D 130 mm W x 85.8 mm H x 261 mm D 130 mm W x 85.8 mm H x 216 mm D
Weight Net, 4 kg (8 lb); Net, 1.56 kg (3.4 lb); Net, 1.56 kg (3.4 lb);
Power requirements — 110 or 230 Vac + 10%, 110 or 230 Vac + 10%,
Options available Option 001: Dual-channel amp, Option 001: Dual-channel amp,
Below 10 MHz: 20 dB
Internal level off (ALC off): ≤–25 dBc
Internal level on (ALC on): ≤–20 dBc
1.5: 1 output internally leveled <2.2 output
2.0: 1 output unleveled below 2 GHz 1 to 1300 MHz
3.0: 1 output unleveled 2 GHz to 3 GHz
(8.4 in x 4.0 in x 11.8 in) (5.1 in x 3.4 in x 8.5 in) (5.1 in x 3.4 in x 8.5 in)
Shipping, 5 kg (11 lb) Shipping, 2.3 kg (5.1 lb) Shipping, 2.3 kg (5.1 lb)
(20° to 30° C)
characteristic
48 to 440 Hz, 15 W 48 to 440 Hz, 15 W
BNC (f) connectors BNC (f) connectors
Option 010: Single-channel amp,
Type-N (f) connectors
Option 011: Dual-channel amp,
Type-N (f) connectors
315RF and Microwave Amplifiers
HP 8347A
HP 8447A
HP 8447D
HP 8349B
HP 8449B
HP 8348A
5
Key Literature
HP 8346A, 8347A, 8348A, 8349A Amplifiers Technical Data,
p/n 5091-0370E
Ordering Information
HP 8347A RF Amplifier
HP 8447A Preamplifier
HP 8447D Preamplifier
Internet URL www.hp.com/go/tmc99 Product & Order Info See inside back cover
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