Datasheet

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DC to 3 GHz
DC to 26.5 GHz
3
34941A
34942A
34946A
34947A
Channels
quad 1x4
quad 1x4
2 SPDT
3 SPDT
Switch Type
50 Ω unterminated,
latching relays
75 Ω unterminated,
latching relays
50 Ω terminated
50 Ω unterminated
RF characteristics
Frequency range
2
DC to 3 GHz
DC to 1.5 GHz
DC to 4 GHz,
20 GHz or
26.5 GHz
DC to 4 GHz,
20 GHz or
26.5 GHz
Insertion loss
2
<40C/80% RH)
100 MHz
1 GHz
3 GHz
0.15 dB
0.60 dB
1.40 dB
0.15 dB
0.60
dB
N/A
DC to 4 GHz < 0.42 dB,
@ 20GHz < 0.69 dB,
@ 26.5GHz < 0.8 dB
DC to 4 GHz < 0.42 dB,
@ 20GHz < 0.69 dB,
@ 26.5GHz < 0.8 dB
VSWR
100 MHz
1 GHz
3 GHz
1.03
1.25
1.55
1.15
1.35
N/A
DC to 4 GHz < 1.15,
@ 20 GHz < 1.30,
@ 26.5GHz < 1.6
DC to 4 GHz < 1.15,
@ 20 GHz < 1.30,
@ 26.5GHz < 1.6
Isolation (dB)
2
100 MHz
1 GHz
3 GHz
Contact factory
80 dB
58 dB
40 dB
Contact factory
80 dB
60 dB
N/A
DC to 4 GHz > 85 dB,
@ 20 GHz > 67 dB,
@ 26.5GHz > 60 dB
DC to 4 GHz > 85 dB,
@ 20 GHz > 67 dB, @
26.5GHz > 60 dB
Spurious noise below 1.3
GHz
-140 dBm
-140 dBm
80 dB
80 dB
Rise time
<80 ps
<160 ps
N/A
N/A
Signal delay
<1 ns
<1 ns
N/A
N/A
Capacitance
<30 pF
<30 pF
N/A
N/A
Switching characteristics
Max volts
1
30 V
30 V
7 VDC
7 VDC
Max current
0.5 A
0.5 A
N/A
N/A
Max power
10 W
5
10 W
5
1 W@7 VDC,50 W
peak
4
1 W@7 VDC,50 W
peak
4
Offset voltage
10 µV
10 µV
N/A
N/A
Initial channel resistance
1Ω
1Ω
N/A
N/A
Volt-Hertz limit
2 x 10
10
2 x 10
10
General characteristics
Relay life
300,000 at 30 V/10 mA
load; 100,000 at 10 W
load RF SAmeas
300,000 at 30 V/10 mA
load;
100,000 at 10 W
load RF SAmeas
>5 M cycles
>5 M cycles
Open/close time
18 ms/18 ms
18 ms/18 ms
<15 ms/15 ms
<15 ms/15 ms
Connector type
Female SMA
Mini 75Ω SMB
Female SMA
Female SMA
Coil voltage
N/A
N/A
24 VDC
24 VDC
Analog bus backplane
connection
No
No
No
No
1. Channel-to-earth
2. 50 Ω source, 50 Ω load (75 Ω for 34942A)
3. For more detailed switch specifications, see the Keysight N1810TL, N1811TL, N1812UL for 34946A and N1810UL for the 34947A.
4. 10 usec maximum duration
5. Max power is 1 W between 30 MHz and 1 GHz for CISPR 11 compliance