PMI's Variable Gain Amplifiers

     

 
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TTL Controlled, Variable Gain Amplifiers

Model Number Frequency Range (GHz)
Gain (dB)
Gain Flatness (±dB) Noise Figure (dB) OP1dB (dBm) VSWR DC Current @ +12 to +15VDC Housing
0.15 - 18.5

18

TTL "0"

1.5

7.0

"On State"

16 2.0:1 400@+15 Custom

<0

TTL "1"

50@-15
0.5 - 6.0

36

TTL "0"

2.0

5.0

TTL"0"

8.0

TTL "0"

2.0:1 280 Custom

14

TTL "1"

8.5

TTL "1"

5.0

TTL "1"

2.0 - 18.0

40

TTL "0"

2.0

4.5

TTL "1"

21 2.0:1 300 Custom

25

TTL "1"

7.0

TTL "0"

2.0 - 18.0

20

"On State"

1.5

7.0

"On State"

15 2.0:1 220 Custom

<0

"Off State"

6.0 - 18.0

34

TTL "0"

2.5

8.0

TTL "0"

9.0 2.0:1 380 Custom

12

TTL "1"

9.0

TTL "1"

14.0 - 16.0

18

TTL "0"

1.5

6.5

"On State"

18 2.0:1 380 Custom

<-40

TTL "1"

The variable gain amplifiers listed above provide two gain states.  The gain is selected via an external DC pic that utilizes a TTL control signal.


Voltage Variable Gain Amplifiers

Model Number Frequency Range (GHz)
Gain (dB)
Gain Flatness (±dB) Noise Figure (dB) OP1dB (dBm) VSWR DC Current @ +12 to +15VDC Housing

PEC-4520-218-12-15-SFF-VVG

This variable gain amplifier provides infinite gain levels between 25 and 45dB via an analog DC control voltage ranging from 0 to 6 volts.

2.0 - 18.0

20 to 45

1.5

4.0 @

Max. Gain

12 2.0:1 240 Custom

6.0 @

Min. Gain

 

Model Number Frequency Range (GHz)
Gain (dB)
Gain Flatness (±dB) Noise Figure (dB) OP1dB (dBm) VSWR DC Current @ +12 to +15VDC Housing

This variable gain amplifier provides infinite gain levels between 20 and 40dB via an analog DC control voltage ranging from 0 to 5 volts.

9.5 - 10.7

20 to 40

1.0

4.0 @

Max. Gain

12 2.0:1 170 Custom

6.0 @

Min. Gain

Model Number Frequency Range (GHz)
Gain (dB)
Gain Flatness (±dB)
Noise Figure (dB) OP1dB (dBm) VSWR DC Current @ +12 to +15VDC Housing

"NEW"

5.5 to 12.0
(Optimized)
2.0 to 18.0
(Operating

30

1.0 goal
1.5 max

3.5 max

+13 2.0:1 280 PE2
Model Number Frequency Range (GHz)
Gain (dB)
Gain Flatness (±dB)
Noise Figure (dB) OP1dB (dBm) VSWR DC Current @ +12 to +15VDC Housing

"NEW"

5.5 to 18.0
(Optimized)
2.0 to 18.0
(Operating

30

1.0 goal
1.5 max
@ 0dB attenuation

3.0 goal

10 2.0:1 280 PE2

3.7 max

 

Resistive Variable Gain Amplifiers

Model Number Frequency Range (GHz)
Gain (dB)
Gain Flatness (±dB) Noise Figure (dB) OP1dB (dBm) VSWR DC Current @ +12 to +15VDC Housing
2.0 - 6.0

30

0.75

5.0 @

Max. Gain

10 2.0:1 200 Custom

Additional Typical Specifications:

Out of Band Harmonic Rejection (10 to 20GHz): -30dBc

Maximum RF Output Power: +18dBm with Pin = -60 to 0dBm

Operating Temperature: 0 to +70°C

Other Frequency and Gain Levels Available.

Attenuation Control: (External Resistor)

The amount of gain attenuation is controlled by the value of the resistor placed between the control pin and ground.  Typical values yield the following results.

Resistor values in Ohms:

260 = -1dB, 147 = -2dB, 101 = -3dB, 78 = -4dB, 63 = -5dB

The variable gain amplifier above provides 30dB of gain with up to 5dB of attenuation control.  The amount of attenuation is selected by placing a resistor between the control pin and ground.  This type of amplifier is useful if fine gain calibration adjustments are required in a system.


      

All specifications are typical and subject to change with or without notice.