Legend

+25 ºC

RF AMPLIFIER

MODEL

QB-968

Available as:

QB-968, SMA Connectorized Housing (080-22930)

Absolute Maximum (No Damage) Ratings

Ambient Operating Temperature ...................... -40ºC to +85

Storage Temperature .................................-65ºC to +125 ºC

DC Voltage .......................................................... +16 Volts

Features

Ultra Broadband Amplifier

High Gain: 24 dB Typical

Low Noise Figure: 3 dB Typical

High Reverse Isolation

Single Supply Operation (Other Supply Voltages Available)

CHARACTERISTIC

TYPICAL

MIN/MAX

Ta= 25 ºC

Ta = -40 ºC to +85 ºC

Frequency

2 - 18 GHz

2 - 18 GHz

Power

Vdc

+12

+12

mA

120

130 Max.

Noise Figure (dB)

3.0

5.0 Max.

VSWR

In

1.5:1

2.0:1 Max.

Out

1.7:1

2.0:1 Max.

Reverse Isolation (dB)

70

45 Min.

Gain (dB)

24

23 / 25

Gain Flatness (dB)

+0.8

+1.0 Max.

Gain var. Over Temp. (dB)

+0.3 / -1.2

+1.0 / -2.0

Output Power @ 1 dB

Compression (dBm)

+16

+13.5 Min.

Typical Performance Data

Notes:

1. All specification ratings are based on measurements in a 50 ohm system

with a DC supply voltage tolerance of +1%.

2. RF output terminated into 50 ohms.

Rev.

5/13/10

Spectrum Microwave · 2144 Franklin Drive N.E. · Palm Bay, Florida 32905 · PH (888) 553-7531 · Fax (888) 553-7532

Spectrum Microwave · 2707 Black Lake Place · Philadelphia, Pennsylvania 19154 · PH (215) 464-4000 · Fax (215) 464-4001

www.SpectrumMicrowave.com

Preliminary

Output Intercept Point (dBm)

3rd Order

+28

+25 Min.

Outline Drawing