Agilent Technologies 8472B service manual Specifications

Specifications

Specifications

Specifications are performance standards or limits against which the detectors are tested.

Table 1 Specifications

Frequency Range: 10 MHz to 18 GHz

Note: RF may leak through the output connector below 1 GHz. It can be reduced, if objectionable, with a suitable low pass filter.

Frequency Response:1, 2, 4

Octave flatness:

±0.2 dB over any octave 10 MHz to 8 GHz Broadband flatness:

±0.3 dB 10 MHz to 12.4 GHz

±0.5 dB 10 MHz to 15 GHz

±0.6 dB 10 MHz to 18 GHz

SWR1,2 (Max):

10 MHz to 4.5 GHz, 1.2

4.5GHz to 7.0 GHz, 1.35

7.0GHz to 12.4 GHz, 1.50

12.4GHz to 18 GHz, 1.70

Maximum Operating Input Power:

200 mW, peak or average

Maximum Short Term Input Power:

1 watt (typical) peak or average for < 1 minute

Sensitivity:1, 3, 4

High level: < 0.35 mW produces 100 mV output

Low level: > 0.5 mVdc/μW CW

Input Impedance: 50 Ω (nominal)

Output Impedance:2 1 to 2 k Ω (typically 1.3 k Ω) shunted by 40 to 60 pF (typically 50 pF).

Output Polarity: Negative (refer to Options for positive polarity units).

Detector Element: Supplied (refer to Table 2 for replacement elements)

Bias: Not required

Noise: < 50 μVpp with CW applied to produce 100 mV output, 400 kHz bandwidth.

Options:

Option 001:

Matched detector pair. Frequency response characteristics (exclusive of basic sensitivity) track within ±0.2 dB from 10 MHz to 12.4 GHz, ±0.3 dB from 12.4 GHz to 18 GHz.

Option 002:

Furnished with matched load resistor for optimum square law characteristics of 25 °C, within ±0.5 dB from square law over a range of at least 30 dB up to 10 mV peak output, working into an external load > 8 k Ω. Sensitivity typically is greater than

0.1 mV/μW when load resistor is used.

Option 003:

Positive polarity output

Option 100:

Female OSSM-type output connector

Environmental:

Operating temperature: −20 to +85 °C

Humidity: < 95% relative

Vibration: 20 G from 80 to 2000 Hz

Shock: 100 G for 11 ms

Altitude: < 4570 meters (15,000 feet)

General:

Weight: Net 57 g (2 oz.)

Dimensions: 64 mm long, 14 mm diameter (2.50 in. long, 0.56 in. diameter)

1.Specifications given for +25° C unless otherwise noted

2.Measurement made at −20 dBm

3.Sensitivity decreases with increasing temperature, typically:

0.5dB from −20 to +25 °C;

0.5dB from +25 to +40 °C; 1 dB from +40 to +55 °C;

1.25dB from +55 to +75 °C; 1 dB from +75 to +85 °C.

4.External load resistance > 50 k Ω

8472B Operating and Service Manual 3